MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Weather Map
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Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.7in
≈ normal
20.71 in of precipitation so far this year — about average for this point in the season (normal 21.8 in).
YTD Total
20.7in
This year so far
Normal to Date
21.8in
30-yr average
Typical Range
17.4–26.5in
10th–90th pct YTD
Departure
-5%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.20" · normal 2.09" (0.9–3.5)
Feb: 0.17" · normal 2.05" (0.8–3.4)
Mar: 5.26" · normal 2.90" (1.5–4.3)
Apr: 4.58" · normal 4.26" (2.7–6.3)
May: 1.16" · normal 4.64" (2.3–8.1)
Jun: 7.03" · normal 4.13" (2.1–6.8)
Jul: 1.31" (so far)· normal 3.80" (1.9–6.5)
Aug: normal 3.10" (1.4–4.4)
Sep: normal 3.05" (1.3–6.2)
Oct: normal 3.07" (1.3–6.0)
Nov: normal 2.81" (1.3–4.9)
Dec: normal 2.25" (1.3–4.2)
Baseline 1991–2020 · Source: Open-Meteo21:34 UTC
Your History · ILLINOIS RIVER ABOVE RTE 150 AT PEORIA, IL
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Station Location
40.7250, -89.5495Loading map…
DATA · USGS · NOAA · NWS
Site #05559900·USGS
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