# Daily-history streamflow comparison

[Open the interactive report](report.html).

The experiment compares the four benchmark receiver gages with individual daily observations from other gages, weather stations, and snow stations.
Receiver discharge is excluded from every input history, including earlier measurements of the same receiver.
Input histories preserve daily station values and availability masks rather than replacing the history with monthly or basin aggregates.

Candidate input stations: gages: 46; snow: 18; weather: 96.
Physical input channels before availability masks: 266.
The fixed manual snow-pair quality rule excludes 9 station-date pairs where SWE exceeds paired depth by more than 25.4 mm; original source records are preserved.
Snow PREC is the provider's water-year cumulative readout on a measurement day, while PRCP is the distinct exported increment channel.

| Forecast | Histories compared |
| --- | --- |
| One day | 7, 30, 90 days |
| One week | 1, 3, 6 calendar months |
| Six months | 6, 12, 24 calendar months |
| January → April–July | 6, 12, 24 calendar months |

## Candidate histories from earlier historical years

Candidate windows minimize saved daily RMSE (ft³/s) in historical years through 2022 separately for each receiver and model.
This table uses no 2023–2024 validation or 2025–2026 retrospective errors to choose a window.
All three history errors remain visible; a candidate is unavailable if finite historical coverage counts differ or a history lacks usable results.
These model-dependent candidates are comparisons for further validation, not universal optimal history lengths.
Matched-pair bootstrap intervals below describe uncertainty in differences; a small RMSE ordering alone does not establish a reliable advantage.

### One day

| Receiver | Method | Candidate history | Days per history | Years | 7 days RMSE | 30 days RMSE | 90 days RMSE |
| --- | --- | --- | --- | --- | --- | --- | --- |
| USGS-09439000 | daily_linear | 30 days | 5478 | 16 | 487 | 324 | 518.2 |
| USGS-09439000 | tcn | 90 days | 5478 | 16 | 345.1 | 334 | 312.4 |
| USGS-09447000 | daily_linear | 90 days | 8035 | 22 | 121.5 | 122.5 | 121.1 |
| USGS-09447000 | tcn | 30 days | 8035 | 22 | 121.9 | 114.9 | 148.9 |
| USGS-09466500 | daily_linear | 90 days | 8035 | 22 | 2,137 | 1,516 | 792.4 |
| USGS-09466500 | tcn | 90 days | 8035 | 22 | 467.7 | 492.6 | 451.1 |
| USGS-09468500 | daily_linear | 30 days | 7837 | 22 | 275.1 | 274.3 | 279.4 |
| USGS-09468500 | tcn | 7 days | 7837 | 22 | 271.3 | 273.7 | 297.1 |


### One week

| Receiver | Method | Candidate history | Days per history | Years | 1 month RMSE | 3 months RMSE | 6 months RMSE |
| --- | --- | --- | --- | --- | --- | --- | --- |
| USGS-09439000 | daily_linear | 3 months | 5478 | 16 | 426.8 | 380 | 388.3 |
| USGS-09439000 | tcn | 3 months | 5478 | 16 | 372 | 371 | 375.4 |
| USGS-09447000 | daily_linear | 6 months | 8035 | 22 | 128.3 | 131.1 | 127.3 |
| USGS-09447000 | tcn | 6 months | 8035 | 22 | 127.6 | 128.2 | 127.1 |
| USGS-09466500 | daily_linear | 1 month | 8035 | 22 | 793.7 | 973.5 | 1,103 |
| USGS-09466500 | tcn | 1 month | 8035 | 22 | 632.1 | 638.2 | 645.4 |
| USGS-09468500 | daily_linear | 1 month | 7837 | 22 | 280.9 | 281.5 | 282.4 |
| USGS-09468500 | tcn | 1 month | 7837 | 22 | 281.4 | 282 | 281.7 |


### Six months

| Receiver | Method | Candidate history | Days per history | Years | 6 months RMSE | 12 months RMSE | 24 months RMSE |
| --- | --- | --- | --- | --- | --- | --- | --- |
| USGS-09439000 | daily_linear | 6 months | 5478 | 16 | 409.4 | 413.6 | 428.4 |
| USGS-09439000 | tcn | 24 months | 5478 | 16 | 411.7 | 413.2 | 407.5 |
| USGS-09447000 | daily_linear | 6 months | 8035 | 22 | 130.3 | 167.7 | 299.1 |
| USGS-09447000 | tcn | 6 months | 8035 | 22 | 131.3 | 131.9 | 131.5 |
| USGS-09466500 | daily_linear | 6 months | 8035 | 22 | 851.8 | 7.528e+06 | 7,301 |
| USGS-09466500 | tcn | 6 months | 8035 | 22 | 759.1 | 778.3 | 760.9 |
| USGS-09468500 | daily_linear | 6 months | 7837 | 22 | 337.6 | 2,172 | 525.5 |
| USGS-09468500 | tcn | 24 months | 7837 | 22 | 283.4 | 283.4 | 283.3 |


### January → April–July

| Receiver | Method | Candidate history | Days per history | Years | 6 months RMSE | 12 months RMSE | 24 months RMSE |
| --- | --- | --- | --- | --- | --- | --- | --- |
| USGS-09439000 | daily_linear | 24 months | 1830 | 15 | 150.3 | 151.2 | 136.2 |
| USGS-09439000 | tcn | 6 months | 1830 | 15 | 120.2 | 138.1 | 131.4 |
| USGS-09447000 | daily_linear | 24 months | 2684 | 22 | 13.54 | 15.83 | 12.79 |
| USGS-09447000 | tcn | 6 months | 2684 | 22 | 14.18 | 15.94 | 14.38 |
| USGS-09466500 | daily_linear | 6 months | 2684 | 22 | 211.9 | 214.9 | 328.1 |
| USGS-09466500 | tcn | 24 months | 2684 | 22 | 231.5 | 310.6 | 208 |
| USGS-09468500 | daily_linear | 6 months | 2671 | 22 | 114.1 | 114.1 | 114.1 |
| USGS-09468500 | tcn | 12 months | 2671 | 22 | 114.2 | 114.2 | 114.2 |


## Saved matched results

January → April–July, Historical hindcasts: 24m versus 12m reduces daily RMSE in 6/8 matched receiver/model cells, increases it in 2, and ties in 0.
January → April–July, Historical hindcasts: 12m versus 6m reduces daily RMSE in 1/8 matched receiver/model cells, increases it in 7, and ties in 0.
January → April–July, Historical hindcasts: 24m versus 6m reduces daily RMSE in 3/8 matched receiver/model cells, increases it in 5, and ties in 0.
January → April–July, 2025–2026 retrospective comparison: 24m versus 12m reduces daily RMSE in 5/8 matched receiver/model cells, increases it in 3, and ties in 0.
January → April–July, 2025–2026 retrospective comparison: 12m versus 6m reduces daily RMSE in 2/8 matched receiver/model cells, increases it in 6, and ties in 0.
January → April–July, 2025–2026 retrospective comparison: 24m versus 6m reduces daily RMSE in 5/8 matched receiver/model cells, increases it in 3, and ties in 0.
January → April–July, Validation comparison: 24m versus 12m reduces daily RMSE in 3/8 matched receiver/model cells, increases it in 5, and ties in 0.
January → April–July, Validation comparison: 12m versus 6m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
January → April–July, Validation comparison: 24m versus 6m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
One day, Historical hindcasts: 90d versus 30d reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
One day, Historical hindcasts: 30d versus 7d reduces daily RMSE in 5/8 matched receiver/model cells, increases it in 3, and ties in 0.
One day, Historical hindcasts: 90d versus 7d reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
One day, 2025–2026 retrospective comparison: 90d versus 30d reduces daily RMSE in 1/8 matched receiver/model cells, increases it in 7, and ties in 0.
One day, 2025–2026 retrospective comparison: 30d versus 7d reduces daily RMSE in 2/8 matched receiver/model cells, increases it in 6, and ties in 0.
One day, 2025–2026 retrospective comparison: 90d versus 7d reduces daily RMSE in 0/8 matched receiver/model cells, increases it in 8, and ties in 0.
One day, Validation comparison: 90d versus 30d reduces daily RMSE in 6/8 matched receiver/model cells, increases it in 2, and ties in 0.
One day, Validation comparison: 30d versus 7d reduces daily RMSE in 2/8 matched receiver/model cells, increases it in 6, and ties in 0.
One day, Validation comparison: 90d versus 7d reduces daily RMSE in 6/8 matched receiver/model cells, increases it in 2, and ties in 0.
One week, Historical hindcasts: 3m versus 1m reduces daily RMSE in 2/8 matched receiver/model cells, increases it in 6, and ties in 0.
One week, Historical hindcasts: 6m versus 1m reduces daily RMSE in 3/8 matched receiver/model cells, increases it in 5, and ties in 0.
One week, Historical hindcasts: 6m versus 3m reduces daily RMSE in 3/8 matched receiver/model cells, increases it in 5, and ties in 0.
One week, 2025–2026 retrospective comparison: 3m versus 1m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
One week, 2025–2026 retrospective comparison: 6m versus 1m reduces daily RMSE in 2/8 matched receiver/model cells, increases it in 6, and ties in 0.
One week, 2025–2026 retrospective comparison: 6m versus 3m reduces daily RMSE in 3/8 matched receiver/model cells, increases it in 5, and ties in 0.
One week, Validation comparison: 3m versus 1m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
One week, Validation comparison: 6m versus 1m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
One week, Validation comparison: 6m versus 3m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
Six months, Historical hindcasts: 24m versus 12m reduces daily RMSE in 6/8 matched receiver/model cells, increases it in 2, and ties in 0.
Six months, Historical hindcasts: 12m versus 6m reduces daily RMSE in 0/8 matched receiver/model cells, increases it in 8, and ties in 0.
Six months, Historical hindcasts: 24m versus 6m reduces daily RMSE in 2/8 matched receiver/model cells, increases it in 6, and ties in 0.
Six months, 2025–2026 retrospective comparison: 24m versus 12m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
Six months, 2025–2026 retrospective comparison: 12m versus 6m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.
Six months, 2025–2026 retrospective comparison: 24m versus 6m reduces daily RMSE in 5/8 matched receiver/model cells, increases it in 3, and ties in 0.
Six months, Validation comparison: 24m versus 12m reduces daily RMSE in 6/8 matched receiver/model cells, increases it in 2, and ties in 0.
Six months, Validation comparison: 12m versus 6m reduces daily RMSE in 2/8 matched receiver/model cells, increases it in 6, and ties in 0.
Six months, Validation comparison: 24m versus 6m reduces daily RMSE in 4/8 matched receiver/model cells, increases it in 4, and ties in 0.

Each paired comparison uses identical finite target days for both histories.
Negative RMSE change indicates lower error with the compared history.
Whole-year bootstrap intervals describe sampling uncertainty; correlated daily measurements do not create independent forecast years.
Window rankings on historical/validation results and results for the already inspected 2025–2026 period are reported separately.

| Forecast | Period | Receiver | Method | Reference history | Compared history | Matched days | Years | Reference RMSE | Compared RMSE | RMSE change (%) | Change 95% lower (%) | Change 95% upper (%) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| january_seasonal | historical | USGS-09439000 | daily_linear | 6m | 12m | 1830 | 15 | 150.3 | 151.2 | 0.5587 | -33.54 | 16.85 |
| january_seasonal | historical | USGS-09439000 | daily_linear | 6m | 24m | 1830 | 15 | 150.3 | 136.2 | -9.384 | -29.22 | -0.2836 |
| january_seasonal | historical | USGS-09439000 | daily_linear | 12m | 24m | 1830 | 15 | 151.2 | 136.2 | -9.887 | -19.75 | 14.28 |
| january_seasonal | retrospective_test | USGS-09439000 | daily_linear | 6m | 12m | 229 | 2 | 79.31 | 109.8 | 38.5 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09439000 | daily_linear | 6m | 24m | 229 | 2 | 79.31 | 48.01 | -39.46 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09439000 | daily_linear | 12m | 24m | 229 | 2 | 109.8 | 48.01 | -56.29 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09439000 | daily_linear | 6m | 12m | 244 | 2 | 128.6 | 124.5 | -3.227 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09439000 | daily_linear | 6m | 24m | 244 | 2 | 128.6 | 127.7 | -0.7284 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09439000 | daily_linear | 12m | 24m | 244 | 2 | 124.5 | 127.7 | 2.582 | Unavailable | Unavailable |
| january_seasonal | historical | USGS-09447000 | daily_linear | 6m | 12m | 2684 | 22 | 13.54 | 15.83 | 16.85 | 1.842 | 32.92 |
| january_seasonal | historical | USGS-09447000 | daily_linear | 6m | 24m | 2684 | 22 | 13.54 | 12.79 | -5.599 | -18.56 | 7.261 |
| january_seasonal | historical | USGS-09447000 | daily_linear | 12m | 24m | 2684 | 22 | 15.83 | 12.79 | -19.21 | -29.76 | -7.85 |
| january_seasonal | retrospective_test | USGS-09447000 | daily_linear | 6m | 12m | 244 | 2 | 7.596 | 7.682 | 1.124 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09447000 | daily_linear | 6m | 24m | 244 | 2 | 7.596 | 7.9 | 4.002 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09447000 | daily_linear | 12m | 24m | 244 | 2 | 7.682 | 7.9 | 2.847 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09447000 | daily_linear | 6m | 12m | 244 | 2 | 14.44 | 14.64 | 1.41 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09447000 | daily_linear | 6m | 24m | 244 | 2 | 14.44 | 14.25 | -1.327 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09447000 | daily_linear | 12m | 24m | 244 | 2 | 14.64 | 14.25 | -2.699 | Unavailable | Unavailable |
| january_seasonal | historical | USGS-09466500 | daily_linear | 6m | 12m | 2684 | 22 | 211.9 | 214.9 | 1.43 | -17.19 | 10.73 |
| january_seasonal | historical | USGS-09466500 | daily_linear | 6m | 24m | 2684 | 22 | 211.9 | 328.1 | 54.86 | 7.639 | 159.7 |
| january_seasonal | historical | USGS-09466500 | daily_linear | 12m | 24m | 2684 | 22 | 214.9 | 328.1 | 52.68 | 4.511 | 176.4 |
| january_seasonal | retrospective_test | USGS-09466500 | daily_linear | 6m | 12m | 244 | 2 | 109.5 | 117.1 | 6.89 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09466500 | daily_linear | 6m | 24m | 244 | 2 | 109.5 | 52.28 | -52.27 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09466500 | daily_linear | 12m | 24m | 244 | 2 | 117.1 | 52.28 | -55.35 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09466500 | daily_linear | 6m | 12m | 244 | 2 | 350.5 | 352.6 | 0.597 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09466500 | daily_linear | 6m | 24m | 244 | 2 | 350.5 | 402.9 | 14.95 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09466500 | daily_linear | 12m | 24m | 244 | 2 | 352.6 | 402.9 | 14.27 | Unavailable | Unavailable |
| january_seasonal | historical | USGS-09468500 | daily_linear | 6m | 12m | 2671 | 22 | 114.1 | 114.1 | 0.03578 | -0.1133 | 9.116 |
| january_seasonal | historical | USGS-09468500 | daily_linear | 6m | 24m | 2671 | 22 | 114.1 | 114.1 | 0.006721 | -0.2225 | 2.13 |
| january_seasonal | historical | USGS-09468500 | daily_linear | 12m | 24m | 2671 | 22 | 114.1 | 114.1 | -0.02905 | -6.826 | 0.363 |
| january_seasonal | retrospective_test | USGS-09468500 | daily_linear | 6m | 12m | 244 | 2 | 6.338 | 6.446 | 1.691 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09468500 | daily_linear | 6m | 24m | 244 | 2 | 6.338 | 6.371 | 0.5179 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09468500 | daily_linear | 12m | 24m | 244 | 2 | 6.446 | 6.371 | -1.154 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09468500 | daily_linear | 6m | 12m | 244 | 2 | 45.8 | 45.69 | -0.2545 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09468500 | daily_linear | 6m | 24m | 244 | 2 | 45.8 | 45.83 | 0.05365 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09468500 | daily_linear | 12m | 24m | 244 | 2 | 45.69 | 45.83 | 0.3089 | Unavailable | Unavailable |
| january_seasonal | historical | USGS-09439000 | tcn | 6m | 12m | 1830 | 15 | 120.2 | 138.1 | 14.91 | 0.7713 | 27.67 |
| january_seasonal | historical | USGS-09439000 | tcn | 6m | 24m | 1830 | 15 | 120.2 | 131.4 | 9.337 | -10.87 | 22.55 |
| january_seasonal | historical | USGS-09439000 | tcn | 12m | 24m | 1830 | 15 | 138.1 | 131.4 | -4.849 | -24.44 | 2.864 |
| january_seasonal | retrospective_test | USGS-09439000 | tcn | 6m | 12m | 229 | 2 | 38.73 | 76.18 | 96.69 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09439000 | tcn | 6m | 24m | 229 | 2 | 38.73 | 37.35 | -3.575 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09439000 | tcn | 12m | 24m | 229 | 2 | 76.18 | 37.35 | -50.98 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09439000 | tcn | 6m | 12m | 244 | 2 | 133.9 | 139.6 | 4.26 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09439000 | tcn | 6m | 24m | 244 | 2 | 133.9 | 122.4 | -8.604 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09439000 | tcn | 12m | 24m | 244 | 2 | 139.6 | 122.4 | -12.34 | Unavailable | Unavailable |
| january_seasonal | historical | USGS-09447000 | tcn | 6m | 12m | 2684 | 22 | 14.18 | 15.94 | 12.47 | 1.381 | 23.33 |
| january_seasonal | historical | USGS-09447000 | tcn | 6m | 24m | 2684 | 22 | 14.18 | 14.38 | 1.454 | -8.566 | 10.3 |
| january_seasonal | historical | USGS-09447000 | tcn | 12m | 24m | 2684 | 22 | 15.94 | 14.38 | -9.794 | -19.76 | -2.15 |
| january_seasonal | retrospective_test | USGS-09447000 | tcn | 6m | 12m | 244 | 2 | 8.329 | 5.912 | -29.02 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09447000 | tcn | 6m | 24m | 244 | 2 | 8.329 | 8.404 | 0.909 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09447000 | tcn | 12m | 24m | 244 | 2 | 5.912 | 8.404 | 42.16 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09447000 | tcn | 6m | 12m | 244 | 2 | 16.73 | 15.96 | -4.606 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09447000 | tcn | 6m | 24m | 244 | 2 | 16.73 | 16.89 | 0.9518 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09447000 | tcn | 12m | 24m | 244 | 2 | 15.96 | 16.89 | 5.827 | Unavailable | Unavailable |
| january_seasonal | historical | USGS-09466500 | tcn | 6m | 12m | 2684 | 22 | 231.5 | 310.6 | 34.14 | 2.262 | 68.76 |
| january_seasonal | historical | USGS-09466500 | tcn | 6m | 24m | 2684 | 22 | 231.5 | 208 | -10.16 | -24.66 | 12.83 |
| january_seasonal | historical | USGS-09466500 | tcn | 12m | 24m | 2684 | 22 | 310.6 | 208 | -33.03 | -53.84 | -1.123 |
| january_seasonal | retrospective_test | USGS-09466500 | tcn | 6m | 12m | 244 | 2 | 30.87 | 56.59 | 83.34 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09466500 | tcn | 6m | 24m | 244 | 2 | 30.87 | 30.07 | -2.589 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09466500 | tcn | 12m | 24m | 244 | 2 | 56.59 | 30.07 | -46.87 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09466500 | tcn | 6m | 12m | 244 | 2 | 386.6 | 378.3 | -2.143 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09466500 | tcn | 6m | 24m | 244 | 2 | 386.6 | 368.6 | -4.649 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09466500 | tcn | 12m | 24m | 244 | 2 | 378.3 | 368.6 | -2.561 | Unavailable | Unavailable |
| january_seasonal | historical | USGS-09468500 | tcn | 6m | 12m | 2671 | 22 | 114.2 | 114.2 | -0.01413 | -2.872 | 0.05359 |
| january_seasonal | historical | USGS-09468500 | tcn | 6m | 24m | 2671 | 22 | 114.2 | 114.2 | 0.0315 | -1.899 | 1.641 |
| january_seasonal | historical | USGS-09468500 | tcn | 12m | 24m | 2671 | 22 | 114.2 | 114.2 | 0.04564 | -0.4749 | 3.597 |
| january_seasonal | retrospective_test | USGS-09468500 | tcn | 6m | 12m | 244 | 2 | 6.971 | 5.968 | -14.38 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09468500 | tcn | 6m | 24m | 244 | 2 | 6.971 | 6.038 | -13.39 | Unavailable | Unavailable |
| january_seasonal | retrospective_test | USGS-09468500 | tcn | 12m | 24m | 244 | 2 | 5.968 | 6.038 | 1.159 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09468500 | tcn | 6m | 12m | 244 | 2 | 45.96 | 45.97 | 0.02793 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09468500 | tcn | 6m | 24m | 244 | 2 | 45.96 | 46.03 | 0.1544 | Unavailable | Unavailable |
| january_seasonal | validation | USGS-09468500 | tcn | 12m | 24m | 244 | 2 | 45.97 | 46.03 | 0.1264 | Unavailable | Unavailable |
| one_day | historical | USGS-09439000 | daily_linear | 7d | 30d | 5478 | 16 | 487 | 324 | -33.48 | -56.33 | -5.465 |
| one_day | historical | USGS-09439000 | daily_linear | 7d | 90d | 5478 | 16 | 487 | 518.2 | 6.4 | -47.52 | 57.25 |
| one_day | historical | USGS-09439000 | daily_linear | 30d | 90d | 5478 | 16 | 324 | 518.2 | 59.95 | 2.844 | 140.3 |
| one_day | retrospective_test | USGS-09439000 | daily_linear | 7d | 30d | 532 | 2 | 114.8 | 115.8 | 0.8646 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09439000 | daily_linear | 7d | 90d | 532 | 2 | 114.8 | 142.1 | 23.77 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09439000 | daily_linear | 30d | 90d | 532 | 2 | 115.8 | 142.1 | 22.71 | Unavailable | Unavailable |
| one_day | validation | USGS-09439000 | daily_linear | 7d | 30d | 731 | 2 | 228.8 | 420.3 | 83.69 | Unavailable | Unavailable |
| one_day | validation | USGS-09439000 | daily_linear | 7d | 90d | 731 | 2 | 228.8 | 771.2 | 237.1 | Unavailable | Unavailable |
| one_day | validation | USGS-09439000 | daily_linear | 30d | 90d | 731 | 2 | 420.3 | 771.2 | 83.5 | Unavailable | Unavailable |
| one_day | historical | USGS-09447000 | daily_linear | 7d | 30d | 8035 | 22 | 121.5 | 122.5 | 0.8002 | -2.54 | 2.155 |
| one_day | historical | USGS-09447000 | daily_linear | 7d | 90d | 8035 | 22 | 121.5 | 121.1 | -0.3526 | -2.698 | 2.472 |
| one_day | historical | USGS-09447000 | daily_linear | 30d | 90d | 8035 | 22 | 122.5 | 121.1 | -1.144 | -4.317 | 2.785 |
| one_day | retrospective_test | USGS-09447000 | daily_linear | 7d | 30d | 597 | 2 | 10.15 | 11.83 | 16.56 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09447000 | daily_linear | 7d | 90d | 597 | 2 | 10.15 | 10.47 | 3.174 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09447000 | daily_linear | 30d | 90d | 597 | 2 | 11.83 | 10.47 | -11.49 | Unavailable | Unavailable |
| one_day | validation | USGS-09447000 | daily_linear | 7d | 30d | 731 | 2 | 94.04 | 96.5 | 2.612 | Unavailable | Unavailable |
| one_day | validation | USGS-09447000 | daily_linear | 7d | 90d | 731 | 2 | 94.04 | 77.18 | -17.93 | Unavailable | Unavailable |
| one_day | validation | USGS-09447000 | daily_linear | 30d | 90d | 731 | 2 | 96.5 | 77.18 | -20.02 | Unavailable | Unavailable |
| one_day | historical | USGS-09466500 | daily_linear | 7d | 30d | 8035 | 22 | 2,137 | 1,516 | -29.06 | -39.19 | 45.11 |
| one_day | historical | USGS-09466500 | daily_linear | 7d | 90d | 8035 | 22 | 2,137 | 792.4 | -62.91 | -70.82 | 17.92 |
| one_day | historical | USGS-09466500 | daily_linear | 30d | 90d | 8035 | 22 | 1,516 | 792.4 | -47.71 | -57.44 | 49.96 |
| one_day | retrospective_test | USGS-09466500 | daily_linear | 7d | 30d | 597 | 2 | 65.71 | 62.68 | -4.611 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09466500 | daily_linear | 7d | 90d | 597 | 2 | 65.71 | 73.31 | 11.57 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09466500 | daily_linear | 30d | 90d | 597 | 2 | 62.68 | 73.31 | 16.96 | Unavailable | Unavailable |
| one_day | validation | USGS-09466500 | daily_linear | 7d | 30d | 731 | 2 | 245.5 | 379.7 | 54.67 | Unavailable | Unavailable |
| one_day | validation | USGS-09466500 | daily_linear | 7d | 90d | 731 | 2 | 245.5 | 624.8 | 154.5 | Unavailable | Unavailable |
| one_day | validation | USGS-09466500 | daily_linear | 30d | 90d | 731 | 2 | 379.7 | 624.8 | 64.55 | Unavailable | Unavailable |
| one_day | historical | USGS-09468500 | daily_linear | 7d | 30d | 7837 | 22 | 275.1 | 274.3 | -0.3051 | -1.011 | -0.009484 |
| one_day | historical | USGS-09468500 | daily_linear | 7d | 90d | 7837 | 22 | 275.1 | 279.4 | 1.547 | -0.03524 | 3.946 |
| one_day | historical | USGS-09468500 | daily_linear | 30d | 90d | 7837 | 22 | 274.3 | 279.4 | 1.857 | 0.163 | 4.574 |
| one_day | retrospective_test | USGS-09468500 | daily_linear | 7d | 30d | 597 | 2 | 182.2 | 181.9 | -0.1581 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09468500 | daily_linear | 7d | 90d | 597 | 2 | 182.2 | 182.3 | 0.0656 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09468500 | daily_linear | 30d | 90d | 597 | 2 | 181.9 | 182.3 | 0.2241 | Unavailable | Unavailable |
| one_day | validation | USGS-09468500 | daily_linear | 7d | 30d | 731 | 2 | 450.4 | 448.9 | -0.3402 | Unavailable | Unavailable |
| one_day | validation | USGS-09468500 | daily_linear | 7d | 90d | 731 | 2 | 450.4 | 446.3 | -0.9066 | Unavailable | Unavailable |
| one_day | validation | USGS-09468500 | daily_linear | 30d | 90d | 731 | 2 | 448.9 | 446.3 | -0.5683 | Unavailable | Unavailable |
| one_day | historical | USGS-09439000 | tcn | 7d | 30d | 5478 | 16 | 345.1 | 334 | -3.204 | -32.38 | 22.61 |
| one_day | historical | USGS-09439000 | tcn | 7d | 90d | 5478 | 16 | 345.1 | 312.4 | -9.467 | -17.01 | 28.66 |
| one_day | historical | USGS-09439000 | tcn | 30d | 90d | 5478 | 16 | 334 | 312.4 | -6.471 | -15.19 | 35.18 |
| one_day | retrospective_test | USGS-09439000 | tcn | 7d | 30d | 532 | 2 | 112.7 | 112.9 | 0.1242 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09439000 | tcn | 7d | 90d | 532 | 2 | 112.7 | 114.4 | 1.451 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09439000 | tcn | 30d | 90d | 532 | 2 | 112.9 | 114.4 | 1.325 | Unavailable | Unavailable |
| one_day | validation | USGS-09439000 | tcn | 7d | 30d | 731 | 2 | 210.5 | 226.4 | 7.542 | Unavailable | Unavailable |
| one_day | validation | USGS-09439000 | tcn | 7d | 90d | 731 | 2 | 210.5 | 113.9 | -45.91 | Unavailable | Unavailable |
| one_day | validation | USGS-09439000 | tcn | 30d | 90d | 731 | 2 | 226.4 | 113.9 | -49.7 | Unavailable | Unavailable |
| one_day | historical | USGS-09447000 | tcn | 7d | 30d | 8035 | 22 | 121.9 | 114.9 | -5.741 | -11.14 | 6.82 |
| one_day | historical | USGS-09447000 | tcn | 7d | 90d | 8035 | 22 | 121.9 | 148.9 | 22.2 | -7.014 | 39.14 |
| one_day | historical | USGS-09447000 | tcn | 30d | 90d | 8035 | 22 | 114.9 | 148.9 | 29.64 | -9.673 | 56.39 |
| one_day | retrospective_test | USGS-09447000 | tcn | 7d | 30d | 597 | 2 | 8.769 | 9.006 | 2.699 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09447000 | tcn | 7d | 90d | 597 | 2 | 8.769 | 9.241 | 5.378 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09447000 | tcn | 30d | 90d | 597 | 2 | 9.006 | 9.241 | 2.608 | Unavailable | Unavailable |
| one_day | validation | USGS-09447000 | tcn | 7d | 30d | 731 | 2 | 100.7 | 100.2 | -0.5326 | Unavailable | Unavailable |
| one_day | validation | USGS-09447000 | tcn | 7d | 90d | 731 | 2 | 100.7 | 85.93 | -14.7 | Unavailable | Unavailable |
| one_day | validation | USGS-09447000 | tcn | 30d | 90d | 731 | 2 | 100.2 | 85.93 | -14.24 | Unavailable | Unavailable |
| one_day | historical | USGS-09466500 | tcn | 7d | 30d | 8035 | 22 | 467.7 | 492.6 | 5.318 | -5.011 | 39.4 |
| one_day | historical | USGS-09466500 | tcn | 7d | 90d | 8035 | 22 | 467.7 | 451.1 | -3.55 | -10.48 | 20.26 |
| one_day | historical | USGS-09466500 | tcn | 30d | 90d | 8035 | 22 | 492.6 | 451.1 | -8.421 | -23.88 | 0.9113 |
| one_day | retrospective_test | USGS-09466500 | tcn | 7d | 30d | 597 | 2 | 57.16 | 57.46 | 0.5161 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09466500 | tcn | 7d | 90d | 597 | 2 | 57.16 | 61.62 | 7.797 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09466500 | tcn | 30d | 90d | 597 | 2 | 57.46 | 61.62 | 7.244 | Unavailable | Unavailable |
| one_day | validation | USGS-09466500 | tcn | 7d | 30d | 731 | 2 | 571.3 | 698.9 | 22.33 | Unavailable | Unavailable |
| one_day | validation | USGS-09466500 | tcn | 7d | 90d | 731 | 2 | 571.3 | 409.3 | -28.36 | Unavailable | Unavailable |
| one_day | validation | USGS-09466500 | tcn | 30d | 90d | 731 | 2 | 698.9 | 409.3 | -41.44 | Unavailable | Unavailable |
| one_day | historical | USGS-09468500 | tcn | 7d | 30d | 7837 | 22 | 271.3 | 273.7 | 0.8821 | -0.4949 | 2.13 |
| one_day | historical | USGS-09468500 | tcn | 7d | 90d | 7837 | 22 | 271.3 | 297.1 | 9.515 | 0.07413 | 23.79 |
| one_day | historical | USGS-09468500 | tcn | 30d | 90d | 7837 | 22 | 273.7 | 297.1 | 8.557 | 0.1103 | 21.17 |
| one_day | retrospective_test | USGS-09468500 | tcn | 7d | 30d | 597 | 2 | 182.3 | 182.4 | 0.03294 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09468500 | tcn | 7d | 90d | 597 | 2 | 182.3 | 182.6 | 0.1447 | Unavailable | Unavailable |
| one_day | retrospective_test | USGS-09468500 | tcn | 30d | 90d | 597 | 2 | 182.4 | 182.6 | 0.1118 | Unavailable | Unavailable |
| one_day | validation | USGS-09468500 | tcn | 7d | 30d | 731 | 2 | 444.6 | 446 | 0.3166 | Unavailable | Unavailable |
| one_day | validation | USGS-09468500 | tcn | 7d | 90d | 731 | 2 | 444.6 | 442.6 | -0.4435 | Unavailable | Unavailable |
| one_day | validation | USGS-09468500 | tcn | 30d | 90d | 731 | 2 | 446 | 442.6 | -0.7576 | Unavailable | Unavailable |
| one_week | historical | USGS-09439000 | daily_linear | 1m | 3m | 5478 | 16 | 426.8 | 380 | -10.98 | -34.34 | 4.766 |
| one_week | historical | USGS-09439000 | daily_linear | 1m | 6m | 5478 | 16 | 426.8 | 388.3 | -9.018 | -29.58 | 5.39 |
| one_week | historical | USGS-09439000 | daily_linear | 3m | 6m | 5478 | 16 | 380 | 388.3 | 2.209 | -1.186 | 9.341 |
| one_week | retrospective_test | USGS-09439000 | daily_linear | 1m | 3m | 532 | 2 | 123.1 | 123.7 | 0.526 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09439000 | daily_linear | 1m | 6m | 532 | 2 | 123.1 | 156.3 | 27.04 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09439000 | daily_linear | 3m | 6m | 532 | 2 | 123.7 | 156.3 | 26.38 | Unavailable | Unavailable |
| one_week | validation | USGS-09439000 | daily_linear | 1m | 3m | 731 | 2 | 389.8 | 234.4 | -39.88 | Unavailable | Unavailable |
| one_week | validation | USGS-09439000 | daily_linear | 1m | 6m | 731 | 2 | 389.8 | 226 | -42.03 | Unavailable | Unavailable |
| one_week | validation | USGS-09439000 | daily_linear | 3m | 6m | 731 | 2 | 234.4 | 226 | -3.578 | Unavailable | Unavailable |
| one_week | historical | USGS-09447000 | daily_linear | 1m | 3m | 8035 | 22 | 128.3 | 131.1 | 2.189 | 0.04434 | 14.73 |
| one_week | historical | USGS-09447000 | daily_linear | 1m | 6m | 8035 | 22 | 128.3 | 127.3 | -0.7456 | -2.718 | 0.7079 |
| one_week | historical | USGS-09447000 | daily_linear | 3m | 6m | 8035 | 22 | 131.1 | 127.3 | -2.872 | -13.32 | -0.701 |
| one_week | retrospective_test | USGS-09447000 | daily_linear | 1m | 3m | 597 | 2 | 11.56 | 11.09 | -4.06 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09447000 | daily_linear | 1m | 6m | 597 | 2 | 11.56 | 11.73 | 1.452 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09447000 | daily_linear | 3m | 6m | 597 | 2 | 11.09 | 11.73 | 5.745 | Unavailable | Unavailable |
| one_week | validation | USGS-09447000 | daily_linear | 1m | 3m | 731 | 2 | 110.2 | 112.1 | 1.715 | Unavailable | Unavailable |
| one_week | validation | USGS-09447000 | daily_linear | 1m | 6m | 731 | 2 | 110.2 | 107.3 | -2.567 | Unavailable | Unavailable |
| one_week | validation | USGS-09447000 | daily_linear | 3m | 6m | 731 | 2 | 112.1 | 107.3 | -4.21 | Unavailable | Unavailable |
| one_week | historical | USGS-09466500 | daily_linear | 1m | 3m | 8035 | 22 | 793.7 | 973.5 | 22.65 | -29.18 | 51.46 |
| one_week | historical | USGS-09466500 | daily_linear | 1m | 6m | 8035 | 22 | 793.7 | 1,103 | 38.96 | -8.72 | 77.25 |
| one_week | historical | USGS-09466500 | daily_linear | 3m | 6m | 8035 | 22 | 973.5 | 1,103 | 13.3 | -5.009 | 106.5 |
| one_week | retrospective_test | USGS-09466500 | daily_linear | 1m | 3m | 597 | 2 | 79.89 | 76.12 | -4.719 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09466500 | daily_linear | 1m | 6m | 597 | 2 | 79.89 | 129.7 | 62.3 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09466500 | daily_linear | 3m | 6m | 597 | 2 | 76.12 | 129.7 | 70.34 | Unavailable | Unavailable |
| one_week | validation | USGS-09466500 | daily_linear | 1m | 3m | 731 | 2 | 485.2 | 572.4 | 17.97 | Unavailable | Unavailable |
| one_week | validation | USGS-09466500 | daily_linear | 1m | 6m | 731 | 2 | 485.2 | 495.9 | 2.213 | Unavailable | Unavailable |
| one_week | validation | USGS-09466500 | daily_linear | 3m | 6m | 731 | 2 | 572.4 | 495.9 | -13.36 | Unavailable | Unavailable |
| one_week | historical | USGS-09468500 | daily_linear | 1m | 3m | 7837 | 22 | 280.9 | 281.5 | 0.2045 | -0.04337 | 0.6507 |
| one_week | historical | USGS-09468500 | daily_linear | 1m | 6m | 7837 | 22 | 280.9 | 282.4 | 0.5335 | -0.07183 | 1.146 |
| one_week | historical | USGS-09468500 | daily_linear | 3m | 6m | 7837 | 22 | 281.5 | 282.4 | 0.3283 | -0.3885 | 0.6226 |
| one_week | retrospective_test | USGS-09468500 | daily_linear | 1m | 3m | 597 | 2 | 182.8 | 182.8 | -0.0263 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09468500 | daily_linear | 1m | 6m | 597 | 2 | 182.8 | 182.7 | -0.07016 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09468500 | daily_linear | 3m | 6m | 597 | 2 | 182.8 | 182.7 | -0.04388 | Unavailable | Unavailable |
| one_week | validation | USGS-09468500 | daily_linear | 1m | 3m | 731 | 2 | 450.5 | 450.1 | -0.08655 | Unavailable | Unavailable |
| one_week | validation | USGS-09468500 | daily_linear | 1m | 6m | 731 | 2 | 450.5 | 450.1 | -0.07811 | Unavailable | Unavailable |
| one_week | validation | USGS-09468500 | daily_linear | 3m | 6m | 731 | 2 | 450.1 | 450.1 | 0.008446 | Unavailable | Unavailable |
| one_week | historical | USGS-09439000 | tcn | 1m | 3m | 5478 | 16 | 372 | 371 | -0.2592 | -3.403 | 3.258 |
| one_week | historical | USGS-09439000 | tcn | 1m | 6m | 5478 | 16 | 372 | 375.4 | 0.8986 | -3.013 | 9.899 |
| one_week | historical | USGS-09439000 | tcn | 3m | 6m | 5478 | 16 | 371 | 375.4 | 1.161 | -0.4049 | 7.041 |
| one_week | retrospective_test | USGS-09439000 | tcn | 1m | 3m | 532 | 2 | 115.7 | 115.3 | -0.3381 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09439000 | tcn | 1m | 6m | 532 | 2 | 115.7 | 116.3 | 0.5735 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09439000 | tcn | 3m | 6m | 532 | 2 | 115.3 | 116.3 | 0.9147 | Unavailable | Unavailable |
| one_week | validation | USGS-09439000 | tcn | 1m | 3m | 731 | 2 | 145.5 | 135.6 | -6.782 | Unavailable | Unavailable |
| one_week | validation | USGS-09439000 | tcn | 1m | 6m | 731 | 2 | 145.5 | 266.1 | 82.91 | Unavailable | Unavailable |
| one_week | validation | USGS-09439000 | tcn | 3m | 6m | 731 | 2 | 135.6 | 266.1 | 96.21 | Unavailable | Unavailable |
| one_week | historical | USGS-09447000 | tcn | 1m | 3m | 8035 | 22 | 127.6 | 128.2 | 0.4657 | 0.005452 | 3.022 |
| one_week | historical | USGS-09447000 | tcn | 1m | 6m | 8035 | 22 | 127.6 | 127.1 | -0.4341 | -1.504 | 0.03437 |
| one_week | historical | USGS-09447000 | tcn | 3m | 6m | 8035 | 22 | 128.2 | 127.1 | -0.8956 | -3.596 | -0.3608 |
| one_week | retrospective_test | USGS-09447000 | tcn | 1m | 3m | 597 | 2 | 11.3 | 11.31 | 0.09394 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09447000 | tcn | 1m | 6m | 597 | 2 | 11.3 | 10.18 | -9.937 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09447000 | tcn | 3m | 6m | 597 | 2 | 11.31 | 10.18 | -10.02 | Unavailable | Unavailable |
| one_week | validation | USGS-09447000 | tcn | 1m | 3m | 731 | 2 | 110.4 | 110.5 | 0.0799 | Unavailable | Unavailable |
| one_week | validation | USGS-09447000 | tcn | 1m | 6m | 731 | 2 | 110.4 | 108.8 | -1.449 | Unavailable | Unavailable |
| one_week | validation | USGS-09447000 | tcn | 3m | 6m | 731 | 2 | 110.5 | 108.8 | -1.528 | Unavailable | Unavailable |
| one_week | historical | USGS-09466500 | tcn | 1m | 3m | 8035 | 22 | 632.1 | 638.2 | 0.9653 | -1.936 | 8.436 |
| one_week | historical | USGS-09466500 | tcn | 1m | 6m | 8035 | 22 | 632.1 | 645.4 | 2.111 | 0.2866 | 8.253 |
| one_week | historical | USGS-09466500 | tcn | 3m | 6m | 8035 | 22 | 638.2 | 645.4 | 1.134 | -2.343 | 4.53 |
| one_week | retrospective_test | USGS-09466500 | tcn | 1m | 3m | 597 | 2 | 69.56 | 75.38 | 8.364 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09466500 | tcn | 1m | 6m | 597 | 2 | 69.56 | 73.52 | 5.693 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09466500 | tcn | 3m | 6m | 597 | 2 | 75.38 | 73.52 | -2.465 | Unavailable | Unavailable |
| one_week | validation | USGS-09466500 | tcn | 1m | 3m | 731 | 2 | 538.3 | 441.3 | -18.01 | Unavailable | Unavailable |
| one_week | validation | USGS-09466500 | tcn | 1m | 6m | 731 | 2 | 538.3 | 588.4 | 9.307 | Unavailable | Unavailable |
| one_week | validation | USGS-09466500 | tcn | 3m | 6m | 731 | 2 | 441.3 | 588.4 | 33.32 | Unavailable | Unavailable |
| one_week | historical | USGS-09468500 | tcn | 1m | 3m | 7837 | 22 | 281.4 | 282 | 0.1928 | 0.01551 | 0.8806 |
| one_week | historical | USGS-09468500 | tcn | 1m | 6m | 7837 | 22 | 281.4 | 281.7 | 0.09095 | -0.06107 | 0.3022 |
| one_week | historical | USGS-09468500 | tcn | 3m | 6m | 7837 | 22 | 282 | 281.7 | -0.1016 | -0.7057 | 0.04736 |
| one_week | retrospective_test | USGS-09468500 | tcn | 1m | 3m | 597 | 2 | 182.7 | 182.8 | 0.0376 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09468500 | tcn | 1m | 6m | 597 | 2 | 182.7 | 182.8 | 0.04904 | Unavailable | Unavailable |
| one_week | retrospective_test | USGS-09468500 | tcn | 3m | 6m | 597 | 2 | 182.8 | 182.8 | 0.01144 | Unavailable | Unavailable |
| one_week | validation | USGS-09468500 | tcn | 1m | 3m | 731 | 2 | 450 | 450.1 | 0.02008 | Unavailable | Unavailable |
| one_week | validation | USGS-09468500 | tcn | 1m | 6m | 731 | 2 | 450 | 450.9 | 0.2063 | Unavailable | Unavailable |
| one_week | validation | USGS-09468500 | tcn | 3m | 6m | 731 | 2 | 450.1 | 450.9 | 0.1862 | Unavailable | Unavailable |
| six_months | historical | USGS-09439000 | daily_linear | 6m | 12m | 5478 | 16 | 409.4 | 413.6 | 1.011 | -2.398 | 5.623 |
| six_months | historical | USGS-09439000 | daily_linear | 6m | 24m | 5478 | 16 | 409.4 | 428.4 | 4.625 | -1.081 | 21.52 |
| six_months | historical | USGS-09439000 | daily_linear | 12m | 24m | 5478 | 16 | 413.6 | 428.4 | 3.577 | -0.5051 | 18.17 |
| six_months | retrospective_test | USGS-09439000 | daily_linear | 6m | 12m | 532 | 2 | 495.8 | 4,226 | 752.2 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09439000 | daily_linear | 6m | 24m | 532 | 2 | 495.8 | 345.8 | -30.26 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09439000 | daily_linear | 12m | 24m | 532 | 2 | 4,226 | 345.8 | -91.82 | Unavailable | Unavailable |
| six_months | validation | USGS-09439000 | daily_linear | 6m | 12m | 731 | 2 | 227.5 | 237 | 4.172 | Unavailable | Unavailable |
| six_months | validation | USGS-09439000 | daily_linear | 6m | 24m | 731 | 2 | 227.5 | 225 | -1.109 | Unavailable | Unavailable |
| six_months | validation | USGS-09439000 | daily_linear | 12m | 24m | 731 | 2 | 237 | 225 | -5.069 | Unavailable | Unavailable |
| six_months | historical | USGS-09447000 | daily_linear | 6m | 12m | 8035 | 22 | 130.3 | 167.7 | 28.72 | 0.9899 | 158.6 |
| six_months | historical | USGS-09447000 | daily_linear | 6m | 24m | 8035 | 22 | 130.3 | 299.1 | 129.6 | 31.28 | 509.1 |
| six_months | historical | USGS-09447000 | daily_linear | 12m | 24m | 8035 | 22 | 167.7 | 299.1 | 78.33 | 3.18 | 244.2 |
| six_months | retrospective_test | USGS-09447000 | daily_linear | 6m | 12m | 597 | 2 | 17.29 | 45.8 | 164.9 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09447000 | daily_linear | 6m | 24m | 597 | 2 | 17.29 | 23.91 | 38.28 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09447000 | daily_linear | 12m | 24m | 597 | 2 | 45.8 | 23.91 | -47.79 | Unavailable | Unavailable |
| six_months | validation | USGS-09447000 | daily_linear | 6m | 12m | 731 | 2 | 112.4 | 106.8 | -4.958 | Unavailable | Unavailable |
| six_months | validation | USGS-09447000 | daily_linear | 6m | 24m | 731 | 2 | 112.4 | 108.3 | -3.67 | Unavailable | Unavailable |
| six_months | validation | USGS-09447000 | daily_linear | 12m | 24m | 731 | 2 | 106.8 | 108.3 | 1.355 | Unavailable | Unavailable |
| six_months | historical | USGS-09466500 | daily_linear | 6m | 12m | 8035 | 22 | 851.8 | 7.528e+06 | 8.837e+05 | 13.54 | 1.872e+06 |
| six_months | historical | USGS-09466500 | daily_linear | 6m | 24m | 8035 | 22 | 851.8 | 7,301 | 757.2 | 85.42 | 1,616 |
| six_months | historical | USGS-09466500 | daily_linear | 12m | 24m | 8035 | 22 | 7.528e+06 | 7,301 | -99.9 | -99.98 | 729 |
| six_months | retrospective_test | USGS-09466500 | daily_linear | 6m | 12m | 597 | 2 | 308.7 | 2,200 | 612.9 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09466500 | daily_linear | 6m | 24m | 597 | 2 | 308.7 | 587.6 | 90.35 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09466500 | daily_linear | 12m | 24m | 597 | 2 | 2,200 | 587.6 | -73.3 | Unavailable | Unavailable |
| six_months | validation | USGS-09466500 | daily_linear | 6m | 12m | 731 | 2 | 762.1 | 867.6 | 13.85 | Unavailable | Unavailable |
| six_months | validation | USGS-09466500 | daily_linear | 6m | 24m | 731 | 2 | 762.1 | 659.4 | -13.47 | Unavailable | Unavailable |
| six_months | validation | USGS-09466500 | daily_linear | 12m | 24m | 731 | 2 | 867.6 | 659.4 | -23.99 | Unavailable | Unavailable |
| six_months | historical | USGS-09468500 | daily_linear | 6m | 12m | 7837 | 22 | 337.6 | 2,172 | 543.3 | 1.984 | 941.7 |
| six_months | historical | USGS-09468500 | daily_linear | 6m | 24m | 7837 | 22 | 337.6 | 525.5 | 55.67 | -14.16 | 234.2 |
| six_months | historical | USGS-09468500 | daily_linear | 12m | 24m | 7837 | 22 | 2,172 | 525.5 | -75.8 | -90.12 | 100.1 |
| six_months | retrospective_test | USGS-09468500 | daily_linear | 6m | 12m | 597 | 2 | 182.8 | 187.6 | 2.632 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09468500 | daily_linear | 6m | 24m | 597 | 2 | 182.8 | 183.5 | 0.3419 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09468500 | daily_linear | 12m | 24m | 597 | 2 | 187.6 | 183.5 | -2.231 | Unavailable | Unavailable |
| six_months | validation | USGS-09468500 | daily_linear | 6m | 12m | 731 | 2 | 450.2 | 448.8 | -0.3123 | Unavailable | Unavailable |
| six_months | validation | USGS-09468500 | daily_linear | 6m | 24m | 731 | 2 | 450.2 | 449.2 | -0.2089 | Unavailable | Unavailable |
| six_months | validation | USGS-09468500 | daily_linear | 12m | 24m | 731 | 2 | 448.8 | 449.2 | 0.1038 | Unavailable | Unavailable |
| six_months | historical | USGS-09439000 | tcn | 6m | 12m | 5478 | 16 | 411.7 | 413.2 | 0.3557 | -1.941 | 1.665 |
| six_months | historical | USGS-09439000 | tcn | 6m | 24m | 5478 | 16 | 411.7 | 407.5 | -1.038 | -6.398 | 1.467 |
| six_months | historical | USGS-09439000 | tcn | 12m | 24m | 5478 | 16 | 413.2 | 407.5 | -1.389 | -4.903 | 0.2479 |
| six_months | retrospective_test | USGS-09439000 | tcn | 6m | 12m | 532 | 2 | 981.3 | 317 | -67.7 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09439000 | tcn | 6m | 24m | 532 | 2 | 981.3 | 435.2 | -55.65 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09439000 | tcn | 12m | 24m | 532 | 2 | 317 | 435.2 | 37.3 | Unavailable | Unavailable |
| six_months | validation | USGS-09439000 | tcn | 6m | 12m | 731 | 2 | 216.5 | 236.9 | 9.432 | Unavailable | Unavailable |
| six_months | validation | USGS-09439000 | tcn | 6m | 24m | 731 | 2 | 216.5 | 223.9 | 3.4 | Unavailable | Unavailable |
| six_months | validation | USGS-09439000 | tcn | 12m | 24m | 731 | 2 | 236.9 | 223.9 | -5.512 | Unavailable | Unavailable |
| six_months | historical | USGS-09447000 | tcn | 6m | 12m | 8035 | 22 | 131.3 | 131.9 | 0.4352 | 0.03068 | 3.533 |
| six_months | historical | USGS-09447000 | tcn | 6m | 24m | 8035 | 22 | 131.3 | 131.5 | 0.1109 | -1.039 | 6.15 |
| six_months | historical | USGS-09447000 | tcn | 12m | 24m | 8035 | 22 | 131.9 | 131.5 | -0.3229 | -1.767 | 3.906 |
| six_months | retrospective_test | USGS-09447000 | tcn | 6m | 12m | 597 | 2 | 245.2 | 18.78 | -92.34 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09447000 | tcn | 6m | 24m | 597 | 2 | 245.2 | 97.86 | -60.08 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09447000 | tcn | 12m | 24m | 597 | 2 | 18.78 | 97.86 | 421.1 | Unavailable | Unavailable |
| six_months | validation | USGS-09447000 | tcn | 6m | 12m | 731 | 2 | 110.1 | 112.4 | 2.112 | Unavailable | Unavailable |
| six_months | validation | USGS-09447000 | tcn | 6m | 24m | 731 | 2 | 110.1 | 112.1 | 1.833 | Unavailable | Unavailable |
| six_months | validation | USGS-09447000 | tcn | 12m | 24m | 731 | 2 | 112.4 | 112.1 | -0.2733 | Unavailable | Unavailable |
| six_months | historical | USGS-09466500 | tcn | 6m | 12m | 8035 | 22 | 759.1 | 778.3 | 2.531 | -0.7973 | 12.97 |
| six_months | historical | USGS-09466500 | tcn | 6m | 24m | 8035 | 22 | 759.1 | 760.9 | 0.2373 | -2.751 | 8.99 |
| six_months | historical | USGS-09466500 | tcn | 12m | 24m | 8035 | 22 | 778.3 | 760.9 | -2.237 | -7.996 | 1.263 |
| six_months | retrospective_test | USGS-09466500 | tcn | 6m | 12m | 597 | 2 | 3,321 | 439.7 | -86.76 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09466500 | tcn | 6m | 24m | 597 | 2 | 3,321 | 1,175 | -64.62 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09466500 | tcn | 12m | 24m | 597 | 2 | 439.7 | 1,175 | 167.2 | Unavailable | Unavailable |
| six_months | validation | USGS-09466500 | tcn | 6m | 12m | 731 | 2 | 685.8 | 706.9 | 3.077 | Unavailable | Unavailable |
| six_months | validation | USGS-09466500 | tcn | 6m | 24m | 731 | 2 | 685.8 | 693 | 1.053 | Unavailable | Unavailable |
| six_months | validation | USGS-09466500 | tcn | 12m | 24m | 731 | 2 | 706.9 | 693 | -1.963 | Unavailable | Unavailable |
| six_months | historical | USGS-09468500 | tcn | 6m | 12m | 7837 | 22 | 283.4 | 283.4 | 0.01518 | -0.1502 | 0.7828 |
| six_months | historical | USGS-09468500 | tcn | 6m | 24m | 7837 | 22 | 283.4 | 283.3 | -0.03979 | -0.4905 | 1.046 |
| six_months | historical | USGS-09468500 | tcn | 12m | 24m | 7837 | 22 | 283.4 | 283.3 | -0.05497 | -0.7162 | 0.8912 |
| six_months | retrospective_test | USGS-09468500 | tcn | 6m | 12m | 597 | 2 | 229.6 | 184.2 | -19.79 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09468500 | tcn | 6m | 24m | 597 | 2 | 229.6 | 199 | -13.35 | Unavailable | Unavailable |
| six_months | retrospective_test | USGS-09468500 | tcn | 12m | 24m | 597 | 2 | 184.2 | 199 | 8.031 | Unavailable | Unavailable |
| six_months | validation | USGS-09468500 | tcn | 6m | 12m | 731 | 2 | 450.5 | 451 | 0.128 | Unavailable | Unavailable |
| six_months | validation | USGS-09468500 | tcn | 6m | 24m | 731 | 2 | 450.5 | 450.7 | 0.04592 | Unavailable | Unavailable |
| six_months | validation | USGS-09468500 | tcn | 12m | 24m | 731 | 2 | 451 | 450.7 | -0.08199 | Unavailable | Unavailable |

## Forecast setup and interpretation

Each history and method uses five expanding chronological outer blocks: 2001–2006, 2007–2012, 2013–2018, 2019–2024, and 2025–2026.
A model is selected from earlier chronological labels, then refitted and frozen for its entire outer block; these are not annual model updates.
Rolling-lead training targets occur every five days, rotating weekdays, while every day in each input history remains available to the model.
January seasonal fitting uses all April–July daily target labels, but those daily labels do not increase the number of independent forecast years.
One-day and one-week predictions advance their observation cutoff with each target date.
A six-month lead is a calendar-month displacement; it differs from a six-month input-history window.
January forecasts freeze observations before January issuance and predict each April–July day without incorporating later measured weather, snow, or gage values.
Month-based input windows follow the actual Gregorian calendar, including leap days and unequal month lengths.
The configured observation reporting lag is 1 day(s); exact issue and cutoff dates remain in the forecast rows.
Current historical data archives are not historical as-of vintages, so publication delays and subsequent revisions cannot be reconstructed exactly.
Weather and snow stations retain missing measurements and collection dates; unavailable values are not interpolated into observed truth.
Missing observations and unavailable forecasts remain gaps, while genuine measured zeros remain zero.
Monthly means and seasonal volumes, when provided, summarize the saved daily forecast paths rather than adding future observed inputs.
Monthly aggregates of rolling predictions combine separate daily issuances; only January seasonal forecasts share a fixed January origin for all April–July days.
Aggregate volumes require the coverage specified by the experiment; incomplete observed periods remain unavailable.
Realized dry/wet labels describe outcomes for evaluation and are excluded from predictors.
The 80% and 90% intervals use earlier out-of-sample absolute errors separately by forecast, history, method, receiver, metric, and target month.
Calibration requires at least five distinct earlier forecast years and an available finite-sample order statistic ceil((n + 1) × nominal coverage).
Calibrating truth must close by the earliest observation cutoff of the current target-year and target-month group; monthly truth closes at month-end and seasonal truth on July 31.
Residual and calibration-year counts remain explicit, and insufficient calibration remains unavailable.
Neither current hindcast scores nor empirical interval coverage guarantees future operational skill.

## Numerical exports

- [Daily forecasts](predictions.csv)
- [Period and regime metrics](metrics.csv)
- [Matched history comparisons](paired_comparisons.csv)
- [Aggregates of daily forecasts](aggregate_predictions.csv)

The portable HTML uses the neighboring Plotly library and embeds only presentation fields.
Rendering this report does not refit models, revise saved predictions, or publish a website.