USGS · 05388250

UPPER IOWA RIVER

USGS · 05388250LIVE

Upper Iowa River near Dorchester, IA

ALLAMAKEE COUNTY, IA43.4211°N, -91.5088°W Updated 41 min ago

FLOW RATE

1,740cfs

AIR TEMP

83°F

WIND

5mph N

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

1,740cfs 75.7% vs avg

Optimal band: 2,636–3,566 cfs

PERIOD HIGH

4,546cfs

PERIOD LOW

1,740cfs

RUNNABLE

13%

last 7 day in band

Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

25.6in

+28% vs normal

25.56 in of precipitation so far this year, 28% above the 30-year normal of 20 in for this point in the season.

YTD Total

25.6in

This year so far

Normal to Date

20.0in

30-yr average

Typical Range

15.4–25.4in

10th–90th pct YTD

Departure

+28%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.82" · normal 1.35" (0.7–2.1)

Jan

Feb: 1.42" · normal 1.37" (0.7–2.0)

Feb

Mar: 2.34" · normal 2.44" (1.1–3.9)

Mar

Apr: 7.78" · normal 4.04" (2.4–6.2)

Apr

May: 3.79" · normal 4.62" (2.6–7.4)

May

Jun: 6.17" · normal 4.88" (2.8–7.0)

Jun

Jul: 2.24" (so far)· normal 3.96" (2.5–5.4)

Jul

Aug: normal 3.60" (1.9–5.9)

Aug

Sep: normal 3.50" (1.0–5.8)

Sep

Oct: normal 2.73" (0.9–5.2)

Oct

Nov: normal 2.04" (0.7–3.3)

Nov

Dec: normal 1.63" (0.6–2.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:41 AM

Your History · Upper Iowa River near Dorchester, IA

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Station Location

43.4211, -91.5088

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DATA · USGS · NOAA · NWSUPDATED 2026-07-10 00:00 UTC

Site #05388250·USGS

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