Cedar River at Powerplant at Cedar Falls, WA

USGS Site No: 12116400Cedar River • King County, WA

Cedar River at Powerplant at Cedar Falls, WA on the Cedar River is currently at 122 cfs (High — 76th percentile for this date) . Gage height: 32.20 ft.

Reading from

122
CFS Discharge
32.20
Gage Height (ft)
High
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 44
25th Low threshold 63
50th (Median) Normal (median) 77
75th High threshold 101
95th Very High threshold 470 Today: 122 cfs

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.

1.2k 594 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 114 32.14
May 27, 2026 113 32.13
May 26, 2026 111 32.11
May 25, 2026 107 32.09
May 24, 2026 103 32.06
May 23, 2026 103 32.05
May 22, 2026 100 32.03
May 21, 2026 86 31.91
May 20, 2026 79 31.85
May 19, 2026 80 31.86
May 18, 2026 81 31.87
May 17, 2026 83 31.88
May 16, 2026 92 31.97
May 15, 2026 96 31.99
Apr 20, 2026 89 31.94
Apr 19, 2026 88 31.93
Apr 18, 2026 90 31.95
Apr 17, 2026 92 31.97
Apr 16, 2026 94 31.98
Apr 15, 2026 96 32.00
Apr 14, 2026 90 31.95
Apr 13, 2026 88 31.93
Apr 12, 2026 88 31.93
Apr 11, 2026 89 31.94
Apr 10, 2026 90 31.94
Apr 9, 2026 92 31.96
Apr 8, 2026 94 31.98
Apr 7, 2026 96 32.00
Apr 6, 2026 97 32.01
Apr 5, 2026 99 32.02

Station Information

USGS Site No
12116400
State
WA
County
King County
Coordinates
47.4187, -121.7815
Drainage Area
84 mi²
Datum (ft)
910.8
HUC Code
17110012
View on USGS NWIS →

Recent Extremes

Max discharge
6,410 cfs
Dec 11, 2025
Min discharge
38 cfs
Oct 15, 2025

Computed from the local daily-values archive.

Nearby Gauges