Bonaparte Creek at Tonasket, WA

USGS Site No: 12444550 • Bonaparte Creek • Okanogan County, WA

Bonaparte Creek at Tonasket, WA on the Bonaparte Creek is currently at 2 cfs (Very Low — 7th percentile for this date) . Gage height: 1.26 ft.

Reading from

2
CFS Discharge
1.26
Gage Height (ft)
Very 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 3 Today: 2 cfs
25th Low threshold 6
50th (Median) Normal (median) 12
75th High threshold 22
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.

23 11 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 2 1.23
May 27, 2026 2 1.23
May 26, 2026 2 1.26
May 25, 2026 2 1.27
May 24, 2026 2 1.29
May 23, 2026 3 1.30
May 22, 2026 3 1.30
May 21, 2026 3 1.29
May 20, 2026 3 1.30
May 19, 2026 3 1.31
May 18, 2026 3 1.33
May 17, 2026 3 1.34
May 16, 2026 3 1.34
May 15, 2026 3 1.31
Apr 20, 2026 7 1.46
Apr 19, 2026 7 1.47
Apr 18, 2026 7 1.48
Apr 17, 2026 7 1.48
Apr 16, 2026 8 1.49
Apr 15, 2026 7 1.48
Apr 14, 2026 7 1.48
Apr 13, 2026 7 1.48
Apr 12, 2026 8 1.50
Apr 11, 2026 8 1.50
Apr 10, 2026 9 1.54
Apr 9, 2026 9 1.54
Apr 8, 2026 10 1.56
Apr 7, 2026 10 1.58
Apr 6, 2026 11 1.59
Apr 5, 2026 11 1.60

Station Information

USGS Site No
12444550
State
WA
County
Okanogan County
Coordinates
48.7012, -119.4428
Drainage Area
161 mi²
Datum (ft)
916.4
HUC Code
17020006
View on USGS NWIS →

Recent Extremes

Max discharge
40 cfs
May 3, 2025
Min discharge
0 cfs
Sep 3, 2025

Computed from the local daily-values archive.

Nearby Gauges

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