Milk River at Merrill Road, near Harlem, Mount

USGS Site No: 06153800 • Milk River • Blaine County, MT

Milk River at Merrill Road, near Harlem, Mount on the Milk River is currently at 623 cfs (Very High — 95th percentile for this date) . Gage height: 9.84 ft.

Reading from

623
CFS Discharge
9.84
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 0
25th Low threshold 66
50th (Median) Normal (median) 67
75th High threshold 108
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.

986 493 0 cfs Apr 4 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 518 —
May 27, 2026 465 —
May 26, 2026 466 —
May 25, 2026 493 —
May 24, 2026 491 —
May 23, 2026 488 —
May 22, 2026 505 —
May 21, 2026 547 —
May 20, 2026 560 —
May 19, 2026 626 —
May 18, 2026 695 —
May 17, 2026 696 —
May 16, 2026 661 —
May 15, 2026 644 —
Apr 19, 2026 90 —
Apr 18, 2026 92 —
Apr 17, 2026 89 —
Apr 16, 2026 95 —
Apr 15, 2026 103 —
Apr 14, 2026 92 —
Apr 13, 2026 92 —
Apr 12, 2026 92 —
Apr 11, 2026 91 —
Apr 10, 2026 92 —
Apr 9, 2026 92 —
Apr 8, 2026 92 —
Apr 7, 2026 94 —
Apr 6, 2026 97 —
Apr 5, 2026 102 —
Apr 4, 2026 102 —

Station Information

USGS Site No
06153800
State
MT
County
Blaine County
Coordinates
48.5243, -108.8552
Drainage Area
8,925 mi²
Datum (ft)
2,353.0
HUC Code
10050004
View on USGS NWIS →

Recent Extremes

Max discharge
696 cfs
May 17, 2026
Min discharge
50 cfs
Nov 26, 2025

Computed from the local daily-values archive.

Nearby Gauges