French River at North Grosvenordale, CT

USGS Site No: 01125100 • French River • Northeastern Connecticut Planning Region, CT

French River at North Grosvenordale, CT on the French River is currently at 80 cfs (Normal — 29th percentile for this date) . Gage height: 6.96 ft.

Reading from

80
CFS Discharge
6.96
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 29
25th Low threshold 72
50th (Median) Normal (median) 127 Today: 80 cfs
75th High threshold 256
95th Very High threshold 840

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.

987 494 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 106 —
May 27, 2026 113 —
May 26, 2026 108 —
May 25, 2026 98 —
May 24, 2026 71 —
May 23, 2026 61 —
May 22, 2026 67 —
May 21, 2026 78 —
May 20, 2026 122 —
May 19, 2026 128 —
May 18, 2026 147 —
May 17, 2026 174 —
May 16, 2026 170 —
May 15, 2026 162 —
Apr 21, 2026 199 —
Apr 20, 2026 176 —
Apr 19, 2026 173 —
Apr 18, 2026 194 —
Apr 17, 2026 206 —
Apr 16, 2026 166 —
Apr 15, 2026 131 —
Apr 14, 2026 122 —
Apr 13, 2026 124 —
Apr 12, 2026 122 —
Apr 11, 2026 139 —
Apr 10, 2026 171 —
Apr 9, 2026 220 —
Apr 8, 2026 247 —
Apr 7, 2026 274 —
Apr 6, 2026 260 —

Station Information

USGS Site No
01125100
State
CT
County
Northeastern Connecticut Planning Region
Coordinates
41.9785, -71.9005
Drainage Area
101 mi²
Datum (ft)
331.0
HUC Code
011000010204
View on USGS NWIS →

Recent Extremes

Max discharge
745 cfs
May 25, 2025
Min discharge
16 cfs
Aug 19, 2025

Computed from the local daily-values archive.

Nearby Gauges

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