Sumas River Near Sumas, WA

USGS Site No: 12214500 • Sumas 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 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 0
25th Low threshold 18
50th (Median) Normal (median) 28
75th High threshold 120
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
County
Whatcom County
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

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