Great Miami River at Franklin OH

USGS Site No: 03271620 • Great Miami River • Warren County, OH

Great Miami River at Franklin OH on the Great Miami River is currently at 12,400 cfs (Very High — 95th percentile for this date) . Gage height: 6.75 ft.

Reading from

12,400
CFS Discharge
6.75
Gage Height (ft)
Very High
Flow Condition
Normal
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 545
25th Low threshold 606
50th (Median) Normal (median) 954
75th High threshold 1,480
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.

28k 14k 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 21,300 —
May 27, 2026 13,200 —
May 26, 2026 9,850 —
May 25, 2026 17,200 —
May 24, 2026 26,100 —
May 23, 2026 25,600 —
May 22, 2026 11,400 —
May 21, 2026 15,100 —
May 20, 2026 11,600 —
May 19, 2026 2,740 —
May 18, 2026 1,860 —
May 17, 2026 2,470 —
May 16, 2026 1,850 —
May 15, 2026 1,930 —
Apr 21, 2026 1,330 —
Apr 20, 2026 1,430 —
Apr 19, 2026 1,580 —
Apr 18, 2026 1,690 —
Apr 17, 2026 1,880 —
Apr 16, 2026 1,580 —
Apr 15, 2026 1,540 —
Apr 14, 2026 1,630 —
Apr 13, 2026 1,720 —
Apr 12, 2026 1,800 —
Apr 11, 2026 1,970 —
Apr 10, 2026 2,210 —
Apr 9, 2026 2,520 —
Apr 8, 2026 2,910 —
Apr 7, 2026 3,450 —
Apr 6, 2026 4,100 —

Station Information

USGS Site No
03271620
State
OH
County
Warren County
Coordinates
39.5631, -84.3049
Drainage Area
2,727 mi²
Datum (ft)
657.5
HUC Code
05080002
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
11.0 ft
Flood Stage
14.0 ft
Moderate Flood
17.0 ft
Major Flood
22.0 ft

Currently 7.25 ft below flood stage.

Recent Extremes

Max discharge
26,100 cfs
May 24, 2026
Min discharge
495 cfs
Sep 16, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges