Little Blackfoot River Near Garrison Mount

USGS Site No: 12324590 • Little Blackfoot River • Powell County, MT

Little Blackfoot River Near Garrison Mount on the Little Blackfoot River is currently at 153 cfs (Very High — 97th percentile for this date) . Gage height: 1.02 ft.

Reading from

153
CFS Discharge
1.02
Gage Height (ft)
Very High
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 48
25th Low threshold 60
50th (Median) Normal (median) 72
75th High threshold 97
95th Very High threshold 123

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.

1.9k 950 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 156 —
May 27, 2026 163 —
May 26, 2026 149 —
May 25, 2026 143 —
May 24, 2026 153 —
May 23, 2026 171 —
May 22, 2026 193 —
May 21, 2026 216 —
May 20, 2026 192 —
May 19, 2026 192 —
May 18, 2026 211 —
May 17, 2026 223 —
May 16, 2026 203 —
May 15, 2026 183 —
Apr 20, 2026 286 —
Apr 19, 2026 302 —
Apr 18, 2026 315 —
Apr 17, 2026 334 —
Apr 16, 2026 353 —
Apr 15, 2026 344 —
Apr 14, 2026 350 —
Apr 13, 2026 365 —
Apr 12, 2026 316 —
Apr 11, 2026 290 —
Apr 10, 2026 282 —
Apr 9, 2026 280 —
Apr 8, 2026 276 —
Apr 7, 2026 265 —
Apr 6, 2026 259 —
Apr 5, 2026 260 —

Station Information

USGS Site No
12324590
State
MT
County
Powell County
Coordinates
46.5195, -112.7932
Drainage Area
414 mi²
Datum (ft)
4,347.7
HUC Code
17010201
View on USGS NWIS →

Recent Extremes

Max discharge
565 cfs
Mar 19, 2026
Min discharge
20 cfs
Sep 4, 2025

Computed from the local daily-values archive.

Nearby Gauges

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