Great Miami River at Franklin OH

USGS Site No: 03271620Great 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 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 1,140
25th Low threshold 1,430
50th (Median) Normal (median) 2,220
75th High threshold 3,760
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