Ashuelot River Below Surry Mount Dam, Near Keene, NH
USGS Site No: 01158000 • Ashuelot River • Cheshire County, NH
Ashuelot River Below Surry Mount Dam, Near Keene, NH on the Ashuelot River is currently at 116 cfs (Normal — 54th percentile for this date) . Gage height: 5.67 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 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 | 28 | |
| 25th | Low threshold | 40 | |
| 50th (Median) | Normal (median) | 104 | |
| 75th | High threshold | 172 | Today: 116 cfs |
| 95th | Very High threshold | 541 |
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 | 155 | — |
| May 27, 2026 | 172 | — |
| May 26, 2026 | 166 | — |
| May 25, 2026 | 115 | — |
| May 24, 2026 | 105 | — |
| May 23, 2026 | 111 | — |
| May 22, 2026 | 141 | — |
| May 21, 2026 | 181 | — |
| May 20, 2026 | 242 | — |
| May 19, 2026 | 313 | — |
| May 18, 2026 | 408 | — |
| May 17, 2026 | 540 | — |
| May 16, 2026 | 614 | — |
| May 15, 2026 | 509 | — |
| Apr 21, 2026 | 230 | — |
| Apr 20, 2026 | 149 | — |
| Apr 19, 2026 | 142 | — |
| Apr 18, 2026 | 139 | — |
| Apr 17, 2026 | 168 | — |
| Apr 16, 2026 | 181 | — |
| Apr 15, 2026 | 173 | — |
| Apr 14, 2026 | 166 | — |
| Apr 13, 2026 | 179 | — |
| Apr 12, 2026 | 201 | — |
| Apr 11, 2026 | 231 | — |
| Apr 10, 2026 | 262 | — |
| Apr 9, 2026 | 300 | — |
| Apr 8, 2026 | 342 | — |
| Apr 7, 2026 | 391 | — |
| Apr 6, 2026 | 453 | — |
Station Information
- USGS Site No
- 01158000
- State
- NH
- County
- Cheshire County
- Coordinates
- 42.9948, -72.3112
- Drainage Area
- 101 mi²
- Datum (ft)
- 479.6
- HUC Code
- 01080201
Recent Extremes
- Max discharge
-
1,120 cfsMar 19, 2026
- Min discharge
-
1 cfsSep 22, 2025
Computed from the local daily-values archive.
Nearby Gauges
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Nubanusit Bk below Macdowell Dam near Peterborough NHUnknown17.9 mi · 0 cfs
-
Contoocook River at Peterborough, NHNormal20.0 mi · 66 cfs
-
Connecticut River Near Northfield, MAVery High23.0 mi · 9,230 cfs
-
Priest Brook Near Winchendon, MANormal23.8 mi · 15 cfs
-
Millers River Near Winchendon, MANormal24.4 mi · 63 cfs