South Skunk River Near Oskaloosa, IA

USGS Site No: 05471500 • South Skunk River • Mahaska County, IA

South Skunk River Near Oskaloosa, IA on the South Skunk River is currently at 1,610 cfs (High — 86th percentile for this date) . Gage height: 11.06 ft.

Reading from

1,610
CFS Discharge
11.06
Gage Height (ft)
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 50
25th Low threshold 78
50th (Median) Normal (median) 218
75th High threshold 888
95th Very High threshold 2,200 Today: 1,610 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.

9.4k 4.7k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 1,770 —
May 27, 2026 1,900 —
May 26, 2026 2,060 —
May 25, 2026 2,290 —
May 24, 2026 2,590 —
May 23, 2026 2,940 —
May 22, 2026 3,400 —
May 21, 2026 4,120 —
May 20, 2026 4,530 —
May 19, 2026 4,920 —
May 18, 2026 1,510 —
May 17, 2026 1,500 —
May 16, 2026 1,170 —
May 15, 2026 1,140 —
Apr 20, 2026 3,790 —
Apr 19, 2026 4,540 —
Apr 18, 2026 5,590 —
Apr 17, 2026 5,960 —
Apr 16, 2026 5,960 —
Apr 15, 2026 5,170 —
Apr 14, 2026 3,830 —
Apr 13, 2026 4,270 —
Apr 12, 2026 4,730 —
Apr 11, 2026 5,520 —
Apr 10, 2026 5,230 —
Apr 9, 2026 4,400 —
Apr 8, 2026 5,460 —
Apr 7, 2026 6,780 —
Apr 6, 2026 7,190 —
Apr 5, 2026 6,780 —

Station Information

USGS Site No
05471500
State
IA
Coordinates
41.3557, -92.6574
Drainage Area
1,635 mi²
Datum (ft)
685.1
HUC Code
07080105
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
18.0 ft
Flood Stage
24.5 ft
Moderate Flood
28.5 ft
Major Flood
30.0 ft

Currently 13.44 ft below flood stage.

Recent Extremes

Max discharge
8,590 cfs
Jul 26, 2025
Min discharge
39 cfs
Dec 13, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges