MEDIAN FLOW RATE · 1 YEAR
905cfs 35.9% vs avg
Optimal band: 51–69 cfs
PERIOD HIGH
4,328cfs
PERIOD LOW
21cfs
RUNNABLE
9%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.8in
≈ normal
20.8 in of precipitation so far this year — about average for this point in the season (normal 20.25 in).
YTD Total
20.8in
This year so far
Normal to Date
20.3in
30-yr average
Typical Range
14.5–24.7in
10th–90th pct YTD
Departure
+3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.25" · normal 1.93" (1.0–2.9)
Feb: 0.34" · normal 1.85" (0.7–3.3)
Mar: 3.71" · normal 2.55" (1.2–4.0)
Apr: 7.18" · normal 4.30" (2.5–6.0)
May: 0.85" · normal 4.63" (1.9–7.3)
Jun: 6.03" · normal 4.09" (2.2–5.7)
Jul: 1.44" (so far)· normal 3.58" (1.4–5.5)
Aug: normal 3.47" (1.7–5.7)
Sep: normal 3.16" (1.3–6.1)
Oct: normal 3.04" (1.2–5.0)
Nov: normal 2.43" (0.8–4.2)
Dec: normal 2.16" (1.0–3.9)
Baseline 1991–2020 · Source: Open-Meteo12:32 PM
Your History · SOUTH BRANCH KISHWAUKEE RIVER NR FAIRDALE IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
87°
66°
THU
83°
70°
FRI
80°
67°
SAT
84°
62°
SUN
84°
64°
MON
84°
68°
TUE
84°
65°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:27 AM
SUNSET
08:33 PM
15H 6M OF DAYLIGHT
MOON PHASE
Last Quarter
38% illuminated
Station Location
42.1106, -88.9007Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #05439500·USGS
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