MEDIAN FLOW RATE · 1 YEAR
83cfs 50.3% vs avg
Optimal band: 2–2 cfs
PERIOD HIGH
324cfs
PERIOD LOW
1cfs
RUNNABLE
16%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
22.7in
≈ normal
22.7 in of precipitation so far this year — about average for this point in the season (normal 22.44 in).
YTD Total
22.7in
This year so far
Normal to Date
22.4in
30-yr average
Typical Range
17.8–27.8in
10th–90th pct YTD
Departure
+1%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.12" · normal 2.68" (1.1–4.2)
Feb: 0.47" · normal 2.27" (0.9–3.9)
Mar: 5.56" · normal 3.37" (1.5–4.8)
Apr: 6.08" · normal 4.36" (2.6–6.8)
May: 1.88" · normal 4.61" (2.8–7.2)
Jun: 6.15" · normal 4.23" (2.4–6.6)
Jul: 1.44" (so far)· normal 3.96" (2.0–5.9)
Aug: normal 2.97" (1.4–4.3)
Sep: normal 2.94" (0.8–5.1)
Oct: normal 3.18" (1.6–6.2)
Nov: normal 3.20" (1.6–4.9)
Dec: normal 2.50" (1.4–3.8)
Baseline 1991–2020 · Source: Open-Meteo05:07 PM
Your History · SPOON RIVER NEAR ST. JOSEPH, IL
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Station Location
40.1642, -88.0275Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #03336890·USGS
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