MEDIAN FLOW RATE · 1 YEAR
1,575cfs 34.7% vs avg
Optimal band: 174–236 cfs
PERIOD HIGH
9,760cfs
PERIOD LOW
51cfs
RUNNABLE
7%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.7in
≈ normal
21.66 in of precipitation so far this year — about average for this point in the season (normal 21.7 in).
YTD Total
21.7in
This year so far
Normal to Date
21.7in
30-yr average
Typical Range
15.5–27.6in
10th–90th pct YTD
Departure
0%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.59" · normal 2.05" (1.0–3.3)
Feb: 0.15" · normal 2.05" (0.7–3.5)
Mar: 4.04" · normal 2.97" (1.6–5.0)
Apr: 5.52" · normal 4.40" (2.9–6.1)
May: 1.63" · normal 4.79" (2.2–8.1)
Jun: 7.44" · normal 4.61" (2.0–8.1)
Jul: 1.30" (so far)· normal 3.49" (1.3–5.5)
Aug: normal 3.16" (1.6–4.8)
Sep: normal 3.25" (1.5–7.3)
Oct: normal 2.85" (1.2–4.8)
Nov: normal 2.79" (1.1–5.0)
Dec: normal 2.16" (1.2–3.8)
Baseline 1991–2020 · Source: Open-Meteo03:55 PM
Your History · SPOON RIVER AT SEVILLE, IL
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Station Location
40.4901, -90.3401Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #05570000·USGS
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