MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
19.3in
≈ normal
19.3 in of precipitation so far this year — about average for this point in the season (normal 19.58 in).
YTD Total
19.3in
This year so far
Normal to Date
19.6in
30-yr average
Typical Range
15.4–24.1in
10th–90th pct YTD
Departure
-1%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.57" · normal 0.99" (0.5–1.5)
Feb: 0.15" · normal 1.10" (0.4–1.6)
Mar: 1.59" · normal 2.23" (0.9–3.7)
Apr: 5.30" · normal 4.05" (2.4–6.5)
May: 5.36" · normal 4.81" (2.4–6.8)
Jun: 4.43" · normal 5.33" (3.0–8.3)
Jul: 1.91" (so far)· normal 3.51" (1.5–6.4)
Aug: normal 4.06" (1.9–6.9)
Sep: normal 3.02" (0.9–5.7)
Oct: normal 2.38" (0.7–4.0)
Nov: normal 1.68" (0.3–3.2)
Dec: normal 1.25" (0.5–2.1)
Baseline 1991–2020 · Source: Open-Meteo04:39 PM
Your History · Willow Creek near Cornell, IA
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Station Location
42.9725, -95.1611Loading map…
DATA · USGS · NOAA · NWS
Site #06605750·USGS
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