Cedar River Below Diversion Near Landsburg, WA

USGS Site No: 12117600Cedar River • King County, WA

Cedar River Below Diversion Near Landsburg, WA on the Cedar River is currently at 285 cfs (Low — 22th percentile for this date) . Gage height: 3.18 ft.

Reading from

285
CFS Discharge
3.18
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 245
25th Low threshold 295 Today: 285 cfs
50th (Median) Normal (median) 412
75th High threshold 558
95th Very High threshold 1,540

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.

2k 1k 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 271 3.14
May 27, 2026 272 3.14
May 26, 2026 277 3.16
May 25, 2026 271 3.14
May 24, 2026 270 3.14
May 23, 2026 270 3.14
May 22, 2026 269 3.13
May 21, 2026 273 3.15
May 20, 2026 284 3.18
May 19, 2026 291 3.20
May 18, 2026 306 3.24
May 17, 2026 340 3.33
May 16, 2026 341 3.33
May 15, 2026 318 3.27
Apr 20, 2026 460 3.61
Apr 19, 2026 478 3.65
Apr 18, 2026 485 3.66
Apr 17, 2026 499 3.69
Apr 16, 2026 513 3.72
Apr 15, 2026 532 3.75
Apr 14, 2026 414 3.51
Apr 13, 2026 411 3.50
Apr 12, 2026 405 3.48
Apr 11, 2026 414 3.51
Apr 10, 2026 422 3.52
Apr 9, 2026 435 3.55
Apr 8, 2026 447 3.58
Apr 7, 2026 444 3.57
Apr 6, 2026 431 3.54
Apr 5, 2026 425 3.53

Station Information

USGS Site No
12117600
State
WA
County
King County
Coordinates
47.3795, -121.9834
Drainage Area
134 mi²
Datum (ft)
490.0
HUC Code
17110012
View on USGS NWIS →

Recent Extremes

Max discharge
8,390 cfs
Dec 11, 2025
Min discharge
88 cfs
Aug 23, 2025

Computed from the local daily-values archive.

Nearby Gauges