MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
23.2in
≈ normal
23.2 in of precipitation so far this year — about average for this point in the season (normal 20.61 in).
YTD Total
23.2in
This year so far
Normal to Date
20.6in
30-yr average
Typical Range
15.3–27.1in
10th–90th pct YTD
Departure
+13%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.10" · normal 1.47" (0.8–2.4)
Feb: 0.51" · normal 1.73" (0.6–3.1)
Mar: 3.17" · normal 2.61" (1.2–4.9)
Apr: 7.09" · normal 4.36" (2.6–6.1)
May: 2.52" · normal 4.80" (2.5–8.0)
Jun: 7.36" · normal 4.97" (2.3–8.2)
Jul: 1.46" (so far)· normal 3.71" (1.9–7.3)
Aug: normal 3.74" (1.2–7.3)
Sep: normal 3.79" (1.9–6.1)
Oct: normal 2.94" (1.1–5.1)
Nov: normal 2.28" (1.0–3.6)
Dec: normal 1.86" (0.9–3.2)
Baseline 1991–2020 · Source: Open-Meteo07:00 AM
Your History · Plum Creek at Linn Johnson Rd NW nr Swisher, IA
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Station Location
41.8619, -91.7211Loading map…
DATA · USGS · NOAA · NWS
Site #415143091431601·USGS
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