MEDIAN FLOW RATE · 1 DAY
507cfs 32.5% vs avg
Optimal band: 508–688 cfs
PERIOD HIGH
713cfs
PERIOD LOW
507cfs
RUNNABLE
90%
last 1 day in band
Weather Map
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Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
23.9in
≈ normal
23.94 in of precipitation so far this year — about average for this point in the season (normal 20.85 in).
YTD Total
23.9in
This year so far
Normal to Date
20.9in
30-yr average
Typical Range
15.7–26.0in
10th–90th pct YTD
Departure
+15%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.12" · normal 1.08" (0.6–1.7)
Feb: 0.32" · normal 1.19" (0.5–1.7)
Mar: 2.25" · normal 2.32" (0.9–3.7)
Apr: 7.41" · normal 4.17" (2.4–6.6)
May: 4.74" · normal 5.01" (3.2–7.6)
Jun: 5.69" · normal 5.37" (2.4–8.1)
Jul: 2.40" (so far)· normal 3.78" (1.8–6.8)
Aug: normal 3.94" (1.7–6.8)
Sep: normal 3.37" (1.2–5.8)
Oct: normal 2.58" (0.8–4.4)
Nov: normal 1.82" (0.6–3.2)
Dec: normal 1.40" (0.6–2.3)
Baseline 1991–2020 · Source: Open-Meteo22:37 UTC
Your History · East Fork Des Moines River near Algona, IA
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Station Location
43.0827, -94.2306Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 22:15 UTC
Site #05478265·USGS
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