Byram River at Pemberwick, CT

USGS Site No: 01212500Byram River • Western Connecticut Planning Region, CT

Byram River at Pemberwick, CT on the Byram River is currently at 14 cfs (Normal — 37th percentile for this date) . Gage height: 1.77 ft.

Reading from

14
CFS Discharge
1.77
Gage Height (ft)
Normal
Flow Condition
N/A
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 8
25th Low threshold 10
50th (Median) Normal (median) 19 Today: 14 cfs
75th High threshold 36
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.

67 34 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 19
May 27, 2026 27
May 26, 2026 42
May 25, 2026 62
May 24, 2026 53
May 23, 2026 12
May 22, 2026 12
May 21, 2026 12
May 20, 2026 10
May 19, 2026 9
May 18, 2026 10
May 17, 2026 11
May 16, 2026 12
May 15, 2026 14
Apr 21, 2026 19
Apr 20, 2026 22
Apr 19, 2026 20
Apr 18, 2026 20
Apr 17, 2026 22
Apr 16, 2026 23
Apr 15, 2026 26
Apr 14, 2026 26
Apr 13, 2026 25
Apr 12, 2026 26
Apr 11, 2026 28
Apr 10, 2026 29
Apr 9, 2026 29
Apr 8, 2026 30
Apr 7, 2026 35
Apr 6, 2026 41

Station Information

USGS Site No
01212500
State
CT
Coordinates
41.0273, -73.6618
Drainage Area
26 mi²
Datum (ft)
40.0
HUC Code
011000060403
View on USGS NWIS →

Recent Extremes

Max discharge
120 cfs
Mar 6, 2026
Min discharge
1 cfs
Aug 12, 2025

Computed from the local daily-values archive.

Nearby Gauges