Cocheco River Near Rochester, NH
USGS Site No: 01072800 • Cocheco River • Strafford County, NH
Cocheco River Near Rochester, NH on the Cocheco River is currently at 74 cfs (Normal — 57th percentile for this date) . Gage height: 3.38 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 | 41 | |
| 50th (Median) | Normal (median) | 64 | |
| 75th | High threshold | 103 | Today: 74 cfs |
| 95th | Very High threshold | 499 |
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 | 107 | — |
| May 27, 2026 | 157 | — |
| May 26, 2026 | 230 | — |
| May 25, 2026 | 146 | — |
| May 24, 2026 | 63 | — |
| May 23, 2026 | 64 | — |
| May 22, 2026 | 74 | — |
| May 21, 2026 | 89 | — |
| May 20, 2026 | 114 | — |
| May 19, 2026 | 145 | — |
| May 18, 2026 | 194 | — |
| May 17, 2026 | 279 | — |
| May 16, 2026 | 414 | — |
| May 15, 2026 | 360 | — |
| Apr 21, 2026 | 123 | — |
| Apr 20, 2026 | 142 | — |
| Apr 19, 2026 | 141 | — |
| Apr 18, 2026 | 150 | — |
| Apr 17, 2026 | 154 | — |
| Apr 16, 2026 | 161 | — |
| Apr 15, 2026 | 170 | — |
| Apr 14, 2026 | 153 | — |
| Apr 13, 2026 | 139 | — |
| Apr 12, 2026 | 138 | — |
| Apr 11, 2026 | 167 | — |
| Apr 10, 2026 | 182 | — |
| Apr 9, 2026 | 199 | — |
| Apr 8, 2026 | 219 | — |
| Apr 7, 2026 | 244 | — |
| Apr 6, 2026 | 280 | — |
Station Information
- USGS Site No
- 01072800
- State
- NH
- County
- Strafford County
- Coordinates
- 43.2684, -70.9737
- Drainage Area
- 80 mi²
- Datum (ft)
- 118.8
- HUC Code
- 01060003
Recent Extremes
- Max discharge
-
1,250 cfsMay 11, 2025
- Min discharge
-
3 cfsSep 22, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Isinglass River at Rochester Neck Road, near Dover, NHNormal2.5 mi · 42 cfs
-
Oyster River Near Durham, NHNormal8.3 mi · 8 cfs
-
Lamprey River Near Newmarket, NHNormal11.5 mi · 112 cfs
-
Mousam River at Route 4 Near Sanford, MaineVery High15.7 mi · 80 cfs
-
Winnicut River at Greenland, near Portsmouth, NHHigh17.3 mi · 21 cfs