East Boulder River below Dry Fork Creek near Mcleod, Mount

USGS Site No: 06197800 • East Boulder River • Sweet Grass County, MT

East Boulder River below Dry Fork Creek near Mcleod, Mount on the East Boulder River is currently at 347 cfs (Normal — 52th percentile for this date) . Gage height: 4.06 ft.

Reading from

347
CFS Discharge
4.06
Gage Height (ft)
Normal
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 0
25th Low threshold 268
50th (Median) Normal (median) 333
75th High threshold 522 Today: 347 cfs
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.

342 171 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 317 —
May 27, 2026 284 —
May 26, 2026 215 —
May 25, 2026 154 —
May 24, 2026 93 —
May 23, 2026 65 —
May 22, 2026 60 —
May 21, 2026 66 —
May 20, 2026 69 —
May 19, 2026 75 —
May 18, 2026 88 —
May 17, 2026 112 —
May 16, 2026 138 —
May 15, 2026 172 —
Apr 20, 2026 20 —
Apr 19, 2026 19 —
Apr 18, 2026 19 —
Apr 17, 2026 20 —
Apr 16, 2026 21 —
Apr 15, 2026 22 —
Apr 14, 2026 22 —
Apr 13, 2026 23 —
Apr 12, 2026 24 —
Apr 11, 2026 21 —
Apr 10, 2026 18 —
Apr 9, 2026 17 —
Apr 8, 2026 16 —
Apr 7, 2026 15 —
Apr 6, 2026 15 —
Apr 5, 2026 15 —

Station Information

USGS Site No
06197800
State
MT
County
Sweet Grass County
Coordinates
45.5123, -110.0877
Drainage Area
39 mi²
Datum (ft)
6,152.0
HUC Code
10070002
View on USGS NWIS →

Recent Extremes

Max discharge
504 cfs
Jun 2, 2025
Min discharge
6 cfs
Mar 11, 2026

Computed from the local daily-values archive.

Nearby Gauges

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