Cold River at High Street, at Alstead, NH
USGS Site No: 01154950 • Cold River • Cheshire County, NH
Cold River at High Street, at Alstead, NH on the Cold River is currently at 53 cfs (Normal — 51th percentile for this date) . Gage height: 2.18 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 | 18 | |
| 25th | Low threshold | 27 | |
| 50th (Median) | Normal (median) | 50 | |
| 75th | High threshold | 131 | Today: 53 cfs |
| 95th | Very High threshold | 0 |
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 | 66 | — |
| May 27, 2026 | 89 | — |
| May 26, 2026 | 133 | — |
| May 25, 2026 | 157 | — |
| May 24, 2026 | 61 | — |
| May 23, 2026 | 52 | — |
| May 22, 2026 | 59 | — |
| May 21, 2026 | 73 | — |
| May 20, 2026 | 91 | — |
| May 19, 2026 | 113 | — |
| May 18, 2026 | 144 | — |
| May 17, 2026 | 198 | — |
| May 16, 2026 | 291 | — |
| May 15, 2026 | 494 | — |
| Apr 21, 2026 | 259 | — |
| Apr 20, 2026 | 361 | — |
| Apr 19, 2026 | 305 | — |
| Apr 18, 2026 | 204 | — |
| Apr 17, 2026 | 280 | — |
| Apr 16, 2026 | 137 | — |
| Apr 15, 2026 | 160 | — |
| Apr 14, 2026 | 123 | — |
| Apr 13, 2026 | 116 | — |
| Apr 12, 2026 | 118 | — |
| Apr 11, 2026 | 131 | — |
| Apr 10, 2026 | 147 | — |
| Apr 9, 2026 | 167 | — |
| Apr 8, 2026 | 188 | — |
| Apr 7, 2026 | 211 | — |
| Apr 6, 2026 | 246 | — |
Station Information
- USGS Site No
- 01154950
- State
- NH
- County
- Cheshire County
- Coordinates
- 43.1494, -72.3617
- Drainage Area
- 75 mi²
- Datum (ft)
- 452.0
- HUC Code
- 01080104
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 9.0 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 11.0 ft
Currently 6.82 ft below flood stage.
Recent Extremes
- Max discharge
-
1,400 cfsMay 10, 2025
- Min discharge
-
1 cfsSep 24, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
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Sugar River 0.2 MI Below NH 11, at Sunapee, NHVery High21.3 mi · 128 cfs
-
Contoocook River Near Henniker, NHNormal25.4 mi · 426 cfs
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Nubanusit Bk below Macdowell Dam near Peterborough NHUnknown25.9 mi · 0 cfs
-
Contoocook River at Peterborough, NHNormal28.4 mi · 66 cfs
-
Contoocook River below Hopkinton Dam at West Hopkinton, NHNormal31.1 mi · 478 cfs