Kokosing River at Mount Vernon OH

USGS Site No: 03136500Kokosing River • Knox County, OH

Kokosing River at Mount Vernon OH on the Kokosing River is currently at 378 cfs (High — 86th percentile for this date) . Gage height: 3.93 ft.

Reading from

378
CFS Discharge
3.93
Gage Height (ft)
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 50
25th Low threshold 67
50th (Median) Normal (median) 122
75th High threshold 203
95th Very High threshold 523 Today: 378 cfs

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.

2.1k 1.1k 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 797
May 27, 2026 796
May 26, 2026 615
May 25, 2026 1,140
May 24, 2026 1,700
May 23, 2026 1,950
May 22, 2026 364
May 21, 2026 530
May 20, 2026 520
May 19, 2026 117
May 18, 2026 126
May 17, 2026 126
May 16, 2026 112
May 15, 2026 116
Apr 21, 2026 122
Apr 20, 2026 128
Apr 19, 2026 138
Apr 18, 2026 148
Apr 17, 2026 163
Apr 16, 2026 178
Apr 15, 2026 183
Apr 14, 2026 190
Apr 13, 2026 204
Apr 12, 2026 218
Apr 11, 2026 244
Apr 10, 2026 272
Apr 9, 2026 332
Apr 8, 2026 517
Apr 7, 2026 849
Apr 6, 2026 1,090

Station Information

USGS Site No
03136500
State
OH
County
Knox County
Coordinates
40.4056, -82.4999
Drainage Area
202 mi²
Datum (ft)
980.6
HUC Code
05040003
View on USGS NWIS →

Flood Stage Thresholds

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

Currently 10.07 ft below flood stage.

Recent Extremes

Max discharge
2,300 cfs
Mar 27, 2026
Min discharge
20 cfs
Oct 6, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges