New Fork River Near Big Piney, WY
USGS Site No: 09205000 • New Fork River • Sublette County, WY
New Fork River Near Big Piney, WY on the New Fork River is currently at 889 cfs (Very High — 99th percentile for this date) . Gage height: 3.31 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 244 | |
| 25th | Low threshold | 286 | |
| 50th (Median) | Normal (median) | 338 | |
| 75th | High threshold | 390 | |
| 95th | Very High threshold | 630 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 756 | — |
| May 27, 2026 | 668 | — |
| May 26, 2026 | 608 | — |
| May 25, 2026 | 585 | — |
| May 24, 2026 | 587 | — |
| May 23, 2026 | 628 | — |
| May 22, 2026 | 677 | — |
| May 21, 2026 | 682 | — |
| May 20, 2026 | 746 | — |
| May 19, 2026 | 808 | — |
| May 18, 2026 | 897 | — |
| May 17, 2026 | 1,010 | — |
| May 16, 2026 | 1,060 | — |
| May 15, 2026 | 1,090 | — |
| Apr 20, 2026 | 280 | — |
| Apr 19, 2026 | 285 | — |
| Apr 18, 2026 | 290 | — |
| Apr 17, 2026 | 299 | — |
| Apr 16, 2026 | 300 | — |
| Apr 15, 2026 | 300 | — |
| Apr 14, 2026 | 300 | — |
| Apr 13, 2026 | 296 | — |
| Apr 12, 2026 | 288 | — |
| Apr 11, 2026 | 286 | — |
| Apr 10, 2026 | 285 | — |
| Apr 9, 2026 | 283 | — |
| Apr 8, 2026 | 298 | — |
| Apr 7, 2026 | 311 | — |
| Apr 6, 2026 | 324 | — |
| Apr 5, 2026 | 338 | — |
Station Information
- USGS Site No
- 09205000
- State
- WY
- County
- Sublette County
- Coordinates
- 42.5671, -109.9302
- Drainage Area
- 1,255 mi²
- Datum (ft)
- 6,800.0
- HUC Code
- 14040102
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 8.5 ft
Currently 4.69 ft below flood stage.
Recent Extremes
- Max discharge
-
4,000 cfsJun 3, 2025
- Min discharge
-
112 cfsDec 29, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
East Fork at New Fork, WYVery High14.1 mi · 652 cfs
-
Ward Ball Reservoir Outflow, near Boulder, WYUnknown15.9 mi · 26 cfs
-
New Fork River Above Pine Creek, near Pinedale, WYLow19.0 mi · 21 cfs
-
Boulder Creek below Boulder Lake, near Boulder, WYVery High20.5 mi · 438 cfs
-
Duck Creek Above New Fork River near PinedaleUnknown21.5 mi · 5 cfs