USGS · 05387440

UPPER IOWA RIVER

USGS · 05387440LIVE

Upper Iowa River at Bluffton, IA

BLUFFTON TOWNSHIP, IA43.4069°N, -91.8990°W Updated 22 hr ago

FLOW RATE

1,256cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

1,256cfs 15.8% vs avg

Optimal band: 292–396 cfs

PERIOD HIGH

4,679cfs

PERIOD LOW

243cfs

RUNNABLE

19%

last 30 day in band

Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

26.0in

+32% vs normal

26.04 in of precipitation so far this year, 32% above the 30-year normal of 19.74 in for this point in the season.

YTD Total

26.0in

This year so far

Normal to Date

19.7in

30-yr average

Typical Range

16.4–25.9in

10th–90th pct YTD

Departure

+32%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.89" · normal 1.28" (0.6–2.0)

Jan

Feb: 1.51" · normal 1.31" (0.6–2.2)

Feb

Mar: 1.84" · normal 2.38" (1.1–4.4)

Mar

Apr: 8.66" · normal 3.91" (2.1–5.8)

Apr

May: 3.05" · normal 4.68" (2.8–7.5)

May

Jun: 7.12" · normal 5.16" (3.5–7.7)

Jun

Jul: 1.97" (so far)· normal 3.96" (2.3–5.8)

Jul

Aug: normal 3.54" (1.7–5.9)

Aug

Sep: normal 3.24" (1.3–5.2)

Sep

Oct: normal 2.72" (0.9–4.6)

Oct

Nov: normal 1.98" (0.7–3.2)

Nov

Dec: normal 1.58" (0.6–2.6)

Dec

Baseline 1991–2020 · Source: Open-Meteo10:37 PM

Your History · Upper Iowa River at Bluffton, IA

Track your history

Station Location

43.4069, -91.8990

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

Site #05387440·USGS

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