Big Walnut Creek at Sunbury OH

USGS Site No: 03228300 • Big Walnut Creek • Delaware County, OH

Big Walnut Creek at Sunbury OH on the Big Walnut Creek is currently at 134 cfs (High — 78th percentile for this date) . Gage height: 5.57 ft.

Reading from

Downstream on Big Walnut Creek ↓
Big Walnut Creek at Central College OH
134
CFS Discharge
5.57
Gage Height (ft)
High
Flow Condition
N/A
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 2
25th Low threshold 9
50th (Median) Normal (median) 30
75th High threshold 80
95th Very High threshold 474 Today: 134 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.

2.7k 1.4k 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 660 —
May 27, 2026 1,780 —
May 26, 2026 201 —
May 25, 2026 607 —
May 24, 2026 676 —
May 23, 2026 2,540 —
May 22, 2026 374 —
May 21, 2026 503 —
May 20, 2026 1,100 —
May 19, 2026 23 —
May 18, 2026 28 —
May 17, 2026 26 —
May 16, 2026 19 —
May 15, 2026 21 —
Apr 21, 2026 15 —
Apr 20, 2026 18 —
Apr 19, 2026 22 —
Apr 18, 2026 24 —
Apr 17, 2026 30 —
Apr 16, 2026 50 —
Apr 15, 2026 137 —
Apr 14, 2026 20 —
Apr 13, 2026 21 —
Apr 12, 2026 23 —
Apr 11, 2026 25 —
Apr 10, 2026 29 —
Apr 9, 2026 34 —
Apr 8, 2026 44 —
Apr 7, 2026 66 —
Apr 6, 2026 122 —

Station Information

USGS Site No
03228300
State
OH
County
Delaware County
Coordinates
40.2362, -82.8513
Drainage Area
101 mi²
Datum (ft)
938.1
HUC Code
05060001
View on USGS NWIS →

Recent Extremes

Max discharge
2,540 cfs
May 23, 2026
Min discharge
1 cfs
Sep 20, 2025

Computed from the local daily-values archive.

Nearby Gauges

Related