Sumas River Near Sumas, WA

USGS Site No: 12214500Sumas River • Whatcom County, WA

Sumas River Near Sumas, WA on the Sumas River is currently at 0 cfs (Unknown) . Gage height: 0.00 ft.

Reading from

0
CFS Discharge
0.00
Gage Height (ft)
Unknown
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 0
25th Low threshold 30
50th (Median) Normal (median) 35
75th High threshold 42
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.

326 163 0 cfs Mar 1 Mar 30
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Mar 30, 2026 65
Mar 29, 2026 68
Mar 28, 2026 73
Mar 27, 2026 83
Mar 26, 2026 98
Mar 25, 2026 114
Mar 24, 2026 124
Mar 23, 2026 152
Mar 22, 2026 228
Mar 21, 2026 292
Mar 20, 2026 302
Mar 19, 2026 301
Mar 18, 2026 281
Mar 17, 2026 216
Mar 16, 2026 91
Mar 15, 2026 53
Mar 14, 2026 57
Mar 13, 2026 58
Mar 12, 2026 56
Mar 11, 2026 56
Mar 10, 2026 61
Mar 9, 2026 68
Mar 8, 2026 66
Mar 7, 2026 57
Mar 6, 2026 55
Mar 5, 2026 57
Mar 4, 2026 48
Mar 3, 2026 41
Mar 2, 2026 42
Mar 1, 2026 43

Station Information

USGS Site No
12214500
State
WA
Coordinates
48.9748, -122.2513
Drainage Area
31 mi²
Datum (ft)
41.0
HUC Code
17110001
View on USGS NWIS →

Recent Extremes

Max discharge
370 cfs
Dec 12, 2025
Min discharge
17 cfs
Oct 9, 2025

Computed from the local daily-values archive.

Nearby Gauges