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 — 44th percentile for this date) . Gage height: 3.38 ft.

Reading from

74
CFS Discharge
3.38
Gage Height (ft)
Normal
Flow Condition
N/A
Flood Status

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 18
25th Low threshold 38
50th (Median) Normal (median) 86 Today: 74 cfs
75th High threshold 174
95th Very High threshold 444

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.

3.8k 1.9k 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 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
View on USGS NWIS →

Recent Extremes

Max discharge
1,250 cfs
May 11, 2025
Min discharge
3 cfs
Sep 22, 2025

Computed from the local daily-values archive.

Nearby Gauges

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