Black River Near Garnet, MI

USGS Site No: 04046000 • Black River • Mackinac County, MI

Black River Near Garnet, MI on the Black River is currently at 21 cfs (Normal — 52th percentile for this date) . Gage height: 2.81 ft.

Reading from

21
CFS Discharge
2.81
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 9
25th Low threshold 14
50th (Median) Normal (median) 20
75th High threshold 43 Today: 21 cfs
95th Very High threshold 73

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.

360 180 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 23 —
May 27, 2026 24 —
May 26, 2026 25 —
May 25, 2026 27 —
May 24, 2026 27 —
May 23, 2026 28 —
May 22, 2026 30 —
May 21, 2026 32 —
May 20, 2026 36 —
May 19, 2026 38 —
May 18, 2026 43 —
May 17, 2026 34 —
May 16, 2026 34 —
May 15, 2026 34 —
Apr 21, 2026 147 —
Apr 20, 2026 174 —
Apr 19, 2026 240 —
Apr 18, 2026 333 —
Apr 17, 2026 330 —
Apr 16, 2026 315 —
Apr 15, 2026 271 —
Apr 14, 2026 241 —
Apr 13, 2026 201 —
Apr 12, 2026 127 —
Apr 11, 2026 84 —
Apr 10, 2026 87 —
Apr 9, 2026 80 —
Apr 8, 2026 58 —
Apr 7, 2026 62 —
Apr 6, 2026 67 —

Station Information

USGS Site No
04046000
State
MI
Coordinates
46.1178, -85.3661
Drainage Area
28 mi²
Datum (ft)
629.6
HUC Code
040301140108
View on USGS NWIS →

Recent Extremes

Max discharge
333 cfs
Apr 18, 2026
Min discharge
9 cfs
Aug 8, 2025

Computed from the local daily-values archive.

Nearby Gauges