Connecticut River Near Dalton, NH
USGS Site No: 01131500 • Connecticut River • Coos County, NH
Connecticut River Near Dalton, NH on the Connecticut River is currently at 2,250 cfs (Normal — 55th percentile for this date) . Gage height: 9.18 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 960 | |
| 25th | Low threshold | 1,350 | |
| 50th (Median) | Normal (median) | 1,980 | |
| 75th | High threshold | 3,280 | Today: 2,250 cfs |
| 95th | Very High threshold | 8,080 |
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 | 2,670 | — |
| May 27, 2026 | 3,540 | — |
| May 26, 2026 | 4,190 | — |
| May 25, 2026 | 2,480 | — |
| May 24, 2026 | 2,040 | — |
| May 23, 2026 | 2,180 | — |
| May 22, 2026 | 2,430 | — |
| May 21, 2026 | 2,750 | — |
| May 20, 2026 | 3,260 | — |
| May 19, 2026 | 3,680 | — |
| May 18, 2026 | 4,310 | — |
| May 17, 2026 | 5,860 | — |
| May 16, 2026 | 8,520 | — |
| May 15, 2026 | 6,860 | — |
| Apr 21, 2026 | 9,180 | — |
| Apr 20, 2026 | 11,300 | — |
| Apr 19, 2026 | 11,500 | — |
| Apr 18, 2026 | 14,600 | — |
| Apr 17, 2026 | 15,200 | — |
| Apr 16, 2026 | 14,000 | — |
| Apr 15, 2026 | 12,700 | — |
| Apr 14, 2026 | 9,110 | — |
| Apr 13, 2026 | 6,590 | — |
| Apr 12, 2026 | 7,490 | — |
| Apr 11, 2026 | 6,100 | — |
| Apr 10, 2026 | 4,790 | — |
| Apr 9, 2026 | 5,170 | — |
| Apr 8, 2026 | 6,770 | — |
| Apr 7, 2026 | 10,500 | — |
| Apr 6, 2026 | 12,500 | — |
Station Information
- USGS Site No
- 01131500
- State
- NH
- County
- Coos County
- Coordinates
- 44.4101, -71.7206
- Drainage Area
- 1,514 mi²
- Datum (ft)
- 799.4
- HUC Code
- 01080101
Flood Stage Thresholds
- Action Stage
- 15.0 ft
- Flood Stage
- 17.0 ft
- Moderate Flood
- 22.0 ft
- Major Flood
- 25.0 ft
Currently 7.82 ft below flood stage.
Recent Extremes
- Max discharge
-
15,200 cfsApr 17, 2026
- Min discharge
-
350 cfsOct 6, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Kirby Brook at Concord, VTUnknown8.1 mi
-
Moose River at Victory, VTNormal9.1 mi · 103 cfs
-
Ammonoosuc River at Bethlehem Junction, NHNormal10.7 mi · 141 cfs
-
Sleepers River (site West-5) Near St. Johnsbury, VTNormal15.8 mi · 52 cfs
-
Passumpsic River at Passumpsic, VTNormal16.0 mi · 654 cfs