Contoocook River at Peterborough, NH
USGS Site No: 01082000 • Contoocook River • Hillsborough County, NH
Contoocook River at Peterborough, NH on the Contoocook River is currently at 66 cfs (Normal — 44th percentile for this date) . Gage height: 1.65 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 | 30 | |
| 25th | Low threshold | 47 | |
| 50th (Median) | Normal (median) | 72 | Today: 66 cfs |
| 75th | High threshold | 120 | |
| 95th | Very High threshold | 276 |
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 | 85 | — |
| May 27, 2026 | 104 | — |
| May 26, 2026 | 121 | — |
| May 25, 2026 | 107 | — |
| May 24, 2026 | 73 | — |
| May 23, 2026 | 69 | — |
| May 22, 2026 | 81 | — |
| May 21, 2026 | 97 | — |
| May 20, 2026 | 117 | — |
| May 19, 2026 | 136 | — |
| May 18, 2026 | 169 | — |
| May 17, 2026 | 234 | — |
| May 16, 2026 | 357 | — |
| May 15, 2026 | 530 | — |
| Apr 21, 2026 | 106 | — |
| Apr 20, 2026 | 116 | — |
| Apr 19, 2026 | 121 | — |
| Apr 18, 2026 | 126 | — |
| Apr 17, 2026 | 136 | — |
| Apr 16, 2026 | 140 | — |
| Apr 15, 2026 | 137 | — |
| Apr 14, 2026 | 114 | — |
| Apr 13, 2026 | 116 | — |
| Apr 12, 2026 | 121 | — |
| Apr 11, 2026 | 134 | — |
| Apr 10, 2026 | 146 | — |
| Apr 9, 2026 | 159 | — |
| Apr 8, 2026 | 178 | — |
| Apr 7, 2026 | 198 | — |
| Apr 6, 2026 | 227 | — |
Station Information
- USGS Site No
- 01082000
- State
- NH
- County
- Hillsborough County
- Coordinates
- 42.8626, -71.9592
- Drainage Area
- 68 mi²
- Datum (ft)
- 731.3
- HUC Code
- 01070003
Flood Stage Thresholds
- Action Stage
- 4.0 ft
- Flood Stage
- 5.5 ft
- Moderate Flood
- 7.0 ft
- Major Flood
- 9.0 ft
Currently 3.85 ft below flood stage.
Recent Extremes
- Max discharge
-
1,330 cfsMay 10, 2025
- Min discharge
-
8 cfsSep 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Millers River Near Winchendon, MANormal13.8 mi · 63 cfs
-
Priest Brook Near Winchendon, MANormal14.7 mi · 15 cfs
-
Otter River at Otter River, MANormal19.4 mi · 48 cfs
-
North Nashua River at Fitchburg, MANormal21.6 mi · 87 cfs
-
Squannacook River Near West Groton, MANormal22.0 mi · 62 cfs