Clark Fork above Little Blackfoot River near Garrison Mount

USGS Site No: 12324400 • Clark Fork • Powell County, MT

Clark Fork above Little Blackfoot River near Garrison Mount on the Clark Fork is currently at 247 cfs (Normal — 39th percentile for this date) . Gage height: 3.23 ft.

Reading from

247
CFS Discharge
3.23
Gage Height (ft)
Normal
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 174
25th Low threshold 225
50th (Median) Normal (median) 264 Today: 247 cfs
75th High threshold 359
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.

623 312 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 216 —
May 27, 2026 190 —
May 26, 2026 161 —
May 25, 2026 147 —
May 24, 2026 152 —
May 23, 2026 168 —
May 22, 2026 179 —
May 21, 2026 182 —
May 20, 2026 165 —
May 19, 2026 170 —
May 18, 2026 184 —
May 17, 2026 187 —
May 16, 2026 187 —
May 15, 2026 195 —
Apr 20, 2026 180 —
Apr 19, 2026 197 —
Apr 18, 2026 199 —
Apr 17, 2026 204 —
Apr 16, 2026 203 —
Apr 15, 2026 206 —
Apr 14, 2026 214 —
Apr 13, 2026 214 —
Apr 12, 2026 200 —
Apr 11, 2026 193 —
Apr 10, 2026 192 —
Apr 9, 2026 193 —
Apr 8, 2026 190 —
Apr 7, 2026 199 —
Apr 6, 2026 211 —
Apr 5, 2026 214 —

Station Information

USGS Site No
12324400
State
MT
County
Powell County
Coordinates
46.5109, -112.7897
Drainage Area
1,130 mi²
Datum (ft)
4,350.0
HUC Code
17010201
View on USGS NWIS →

Recent Extremes

Max discharge
483 cfs
May 31, 2025
Min discharge
52 cfs
Sep 9, 2025

Computed from the local daily-values archive.

Nearby Gauges