MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
23.7in
+20% vs normal
23.66 in of precipitation so far this year, 20% above the 30-year normal of 19.66 in for this point in the season.
YTD Total
23.7in
This year so far
Normal to Date
19.7in
30-yr average
Typical Range
13.2–24.2in
10th–90th pct YTD
Departure
+20%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.45" · normal 2.19" (1.1–3.5)
Feb: 0.92" · normal 2.02" (0.7–3.4)
Mar: 5.01" · normal 2.69" (1.6–4.4)
Apr: 6.28" · normal 4.24" (2.6–6.5)
May: 2.09" · normal 4.60" (2.0–6.7)
Jun: 7.92" (so far)· normal 4.32" (1.9–6.7)
Jul: normal 3.87" (1.9–5.3)
Aug: normal 3.83" (1.7–5.4)
Sep: normal 3.05" (1.2–5.2)
Oct: normal 3.30" (1.5–6.6)
Nov: normal 2.56" (1.3–4.3)
Dec: normal 2.14" (1.0–3.6)
Baseline 1991–2020 · Source: Open-Meteo12:07 AM
Your History · CHICAGO SANITARY AND SHIP CANAL AT LEMONT, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
78°
61°
FRI
70°
63°
SAT
77°
64°
SUN
83°
64°
MON
89°
73°
TUE
91°
74°
WED
92°
76°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:18 AM
SUNSET
08:30 PM
15H 12M OF DAYLIGHT20H 23M REMAINING
MOON PHASE
Waxing Gibbous
83% illuminated
Station Location
41.6789, -88.0010Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 00:07 UTC
Site #05536900·USGS
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