Mashel River Near LA Grande, WA

USGS Site No: 12087000 • Mashel River • Pierce County, WA

Mashel River Near LA Grande, WA on the Mashel River is currently at 45 cfs (Low — 12th percentile for this date) . Gage height: 2.39 ft.

Reading from

45
CFS Discharge
2.39
Gage Height (ft)
Low
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 42
25th Low threshold 65 Today: 45 cfs
50th (Median) Normal (median) 105
75th High threshold 242
95th Very High threshold 507

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.

1k 511 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 51 2.44
May 27, 2026 58 2.49
May 26, 2026 66 2.55
May 25, 2026 59 2.50
May 24, 2026 65 2.54
May 23, 2026 72 2.59
May 22, 2026 82 2.65
May 21, 2026 97 2.74
May 20, 2026 113 2.81
May 19, 2026 129 2.89
May 18, 2026 167 3.04
May 17, 2026 251 3.30
May 16, 2026 181 3.09
May 15, 2026 110 2.80
Apr 20, 2026 147 2.96
Apr 19, 2026 163 3.03
Apr 18, 2026 182 3.09
Apr 17, 2026 206 3.17
Apr 16, 2026 242 3.28
Apr 15, 2026 287 3.40
Apr 14, 2026 140 2.93
Apr 13, 2026 123 2.86
Apr 12, 2026 123 2.86
Apr 11, 2026 131 2.89
Apr 10, 2026 109 2.80
Apr 9, 2026 118 2.84
Apr 8, 2026 132 2.90
Apr 7, 2026 147 2.96
Apr 6, 2026 164 3.03
Apr 5, 2026 184 3.10

Station Information

USGS Site No
12087000
State
WA
County
Pierce County
Coordinates
46.8567, -122.3026
Drainage Area
81 mi²
Datum (ft)
623.0
HUC Code
17110015
View on USGS NWIS →

Recent Extremes

Max discharge
3,320 cfs
Mar 13, 2026
Min discharge
6 cfs
Sep 19, 2025

Computed from the local daily-values archive.

Nearby Gauges

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