Cold River at High Street, at Alstead, NH

USGS Site No: 01154950Cold 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

53
CFS Discharge
2.18
Gage Height (ft)
Normal
Flow Condition
Normal
Flood Status

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.

534 267 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

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
Coordinates
43.1494, -72.3617
Drainage Area
75 mi²
Datum (ft)
452.0
HUC Code
01080104
View on USGS NWIS →

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 cfs
May 10, 2025
Min discharge
1 cfs
Sep 24, 2025
Days at flood stage
0

Computed from the local daily-values archive.