USGS · 05471500

SOUTH SKUNK RIVER

USGS · 05471500LIVE

South Skunk River near Oskaloosa, IA

MAHASKA COUNTY, IA41.3557°N, -92.6574°W Updated 22 hr ago

FLOW RATE

13,049cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

13,049cfs 57.6% vs avg

Optimal band: 929–1,257 cfs

PERIOD HIGH

13,049cfs

PERIOD LOW

38cfs

RUNNABLE

last 1 year in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

23.4in

≈ normal

23.43 in of precipitation so far this year — about average for this point in the season (normal 20.79 in).

YTD Total

23.4in

This year so far

Normal to Date

20.8in

30-yr average

Typical Range

15.6–25.8in

10th–90th pct YTD

Departure

+13%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.12" · normal 1.35" (0.7–2.3)

Jan

Feb: 0.48" · normal 1.75" (0.6–3.1)

Feb

Mar: 2.75" · normal 2.58" (1.0–4.3)

Mar

Apr: 6.76" · normal 4.31" (2.3–6.8)

Apr

May: 2.78" · normal 4.84" (2.2–7.4)

May

Jun: 8.94" · normal 4.95" (2.3–7.3)

Jun

Jul: 0.60" (so far)· normal 3.47" (1.1–7.1)

Jul

Aug: normal 3.71" (1.2–6.3)

Aug

Sep: normal 3.61" (1.5–6.0)

Sep

Oct: normal 2.80" (1.2–5.1)

Oct

Nov: normal 2.17" (0.9–3.2)

Nov

Dec: normal 1.71" (0.7–2.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo10:31 PM

Your History · South Skunk River near Oskaloosa, IA

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Station Location

41.3557, -92.6574

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DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC

Site #05471500·USGS

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