MEDIAN FLOW RATE · 1 DAY
944cfs 41.1% vs avg
Optimal band: 961–1,300 cfs
PERIOD HIGH
1,350cfs
PERIOD LOW
940cfs
RUNNABLE
81%
last 1 day in band
Gauge Height
5.14ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
22.0in
≈ normal
22.02 in of precipitation so far this year — about average for this point in the season (normal 21.44 in).
YTD Total
22.0in
This year so far
Normal to Date
21.4in
30-yr average
Typical Range
15.5–26.8in
10th–90th pct YTD
Departure
+3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.19" · normal 2.01" (1.0–3.4)
Feb: 0.12" · normal 2.04" (0.8–3.5)
Mar: 4.71" · normal 2.92" (1.6–4.3)
Apr: 5.89" · normal 4.37" (2.9–5.8)
May: 1.77" · normal 4.75" (2.3–8.0)
Jun: 7.21" · normal 4.59" (2.0–7.4)
Jul: 1.13" (so far)· normal 3.41" (1.4–5.8)
Aug: normal 3.20" (1.3–4.7)
Sep: normal 3.32" (1.4–7.2)
Oct: normal 2.86" (1.1–5.2)
Nov: normal 2.70" (1.2–4.9)
Dec: normal 2.13" (1.1–3.5)
Baseline 1991–2020 · Source: Open-Meteo03:55 PM
Your History · SPOON RIVER AT LONDON MILLS, IL
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Station Location
40.7077, -90.2798Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 18:45 UTC
Site #05569500·USGS
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