Henrys Fork near Ashton ID
USGS Site No: 13046000 • Henrys Fork • Fremont County, ID
Henrys Fork near Ashton ID on the Henrys Fork is currently at 1,260 cfs (Normal — 66th percentile for this date) . Gage height: 3.29 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 27 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 | 781 | |
| 25th | Low threshold | 925 | |
| 50th (Median) | Normal (median) | 1,120 | |
| 75th | High threshold | 1,340 | Today: 1,260 cfs |
| 95th | Very High threshold | 1,740 |
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 | 1,310 | — |
| May 27, 2026 | 1,400 | — |
| May 26, 2026 | 1,400 | — |
| May 25, 2026 | 1,360 | — |
| May 24, 2026 | 1,350 | — |
| May 23, 2026 | 1,340 | — |
| May 22, 2026 | 1,350 | — |
| May 21, 2026 | 1,350 | — |
| May 20, 2026 | 1,170 | — |
| May 19, 2026 | 1,060 | — |
| May 18, 2026 | 933 | — |
| May 17, 2026 | 928 | — |
| May 16, 2026 | 949 | — |
| May 15, 2026 | 956 | — |
| Apr 20, 2026 | 920 | — |
| Apr 19, 2026 | 973 | — |
| Apr 18, 2026 | 1,020 | — |
| Apr 17, 2026 | 1,120 | — |
| Apr 16, 2026 | 1,040 | — |
| Apr 15, 2026 | 936 | — |
| Apr 14, 2026 | 919 | — |
| Apr 13, 2026 | 907 | — |
| Apr 12, 2026 | 916 | — |
| Apr 11, 2026 | 915 | — |
| Apr 10, 2026 | 906 | — |
| Apr 9, 2026 | 933 | — |
| Apr 8, 2026 | 925 | — |
| Apr 7, 2026 | 914 | — |
| Apr 6, 2026 | 937 | — |
| Apr 5, 2026 | 941 | — |
Station Information
- USGS Site No
- 13046000
- State
- ID
- County
- Fremont County
- Coordinates
- 44.0697, -111.5106
- Drainage Area
- 1,097 mi²
- Datum (ft)
- 5,093.5
- HUC Code
- 17040203
Recent Extremes
- Max discharge
-
2,300 cfsJul 12, 2025
- Min discharge
-
669 cfsOct 9, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Fall River near Chester IDVery High4.5 mi · 998 cfs
-
Fall River near Ashton IDVery High7.6 mi · 1,150 cfs
-
Henrys Fork at St Anthony IDNormal10.7 mi · 1,190 cfs
-
Teton River near St Anthony IDVery High11.1 mi · 1,590 cfs
-
Fall River near Squirrel IDVery High13.4 mi · 624 cfs