MEDIAN FLOW RATE · 30 DAY
280cfs 167.9% vs avg
Optimal band: 394–534 cfs
PERIOD HIGH
2,569cfs
PERIOD LOW
43cfs
RUNNABLE
16%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
22.9in
≈ normal
22.9 in of precipitation so far this year — about average for this point in the season (normal 22.15 in).
YTD Total
22.9in
This year so far
Normal to Date
22.1in
30-yr average
Typical Range
16.9–27.8in
10th–90th pct YTD
Departure
+3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.43" · normal 2.60" (1.1–4.1)
Feb: 0.27" · normal 2.24" (0.8–3.8)
Mar: 6.56" · normal 3.31" (1.6–4.8)
Apr: 6.57" · normal 4.27" (2.6–6.7)
May: 1.62" · normal 4.58" (2.5–6.7)
Jun: 5.22" · normal 4.18" (2.3–6.5)
Jul: 1.24" (so far)· normal 4.00" (2.0–6.0)
Aug: normal 2.83" (1.5–4.1)
Sep: normal 2.96" (0.8–5.3)
Oct: normal 3.24" (1.7–6.0)
Nov: normal 3.18" (1.6–5.1)
Dec: normal 2.47" (1.4–4.2)
Baseline 1991–2020 · Source: Open-Meteo03:32 PM
Your History · SANGAMON RIVER AT FISHER, IL
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Station Location
40.3110, -88.3224Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #05570910·USGS
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