Little Blackfoot River Near Garrison Mount

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

Little Blackfoot River Near Garrison Mount on the Little Blackfoot River is currently at 153 cfs (Low — 16th percentile for this date) . Gage height: 1.02 ft.

Reading from

153
CFS Discharge
1.02
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 108
25th Low threshold 215 Today: 153 cfs
50th (Median) Normal (median) 358
75th High threshold 553
95th Very High threshold 1,220

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