MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.0in
≈ normal
20.98 in of precipitation so far this year — about average for this point in the season (normal 19.86 in).
YTD Total
21.0in
This year so far
Normal to Date
19.9in
30-yr average
Typical Range
13.7–24.4in
10th–90th pct YTD
Departure
+6%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.00" · normal 2.43" (1.3–3.9)
Feb: 0.66" · normal 2.12" (0.8–3.5)
Mar: 3.73" · normal 2.78" (1.6–4.9)
Apr: 6.45" · normal 4.28" (2.6–6.6)
May: 1.32" · normal 4.54" (2.1–6.4)
Jun: 6.82" (so far)· normal 4.11" (2.1–6.7)
Jul: normal 3.87" (1.8–5.7)
Aug: normal 3.87" (2.0–5.6)
Sep: normal 3.10" (1.2–5.6)
Oct: normal 3.43" (1.4–7.1)
Nov: normal 2.84" (1.6–4.7)
Dec: normal 2.37" (1.2–4.0)
Baseline 1991–2020 · Source: Open-Meteo12:07 AM
Your History · CHICAGO S & S CANAL AT WESTERN AVE AT CHICAGO, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
62°
FRI
73°
62°
SAT
76°
65°
SUN
84°
64°
MON
93°
75°
TUE
95°
77°
WED
97°
79°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:17 AM
SUNSET
08:29 PM
15H 12M OF DAYLIGHT17H 26M REMAINING
MOON PHASE
Waxing Gibbous
84% illuminated
Station Location
41.8372, -87.6854Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 03:03 UTC
Site #05536137·USGS
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