MEDIAN FLOW RATE · 1 DAY
2,410cfs 1.1% vs avg
Optimal band: 3,579–4,842 cfs
PERIOD HIGH
8,620cfs
PERIOD LOW
1,470cfs
RUNNABLE
53%
last 1 day in band
Gauge Height
25.16ft
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
23.7in
+19% vs normal
23.66 in of precipitation so far this year, 19% above the 30-year normal of 19.81 in for this point in the season.
YTD Total
23.7in
This year so far
Normal to Date
19.8in
30-yr average
Typical Range
13.2–24.3in
10th–90th pct YTD
Departure
+19%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.56" · normal 2.18" (1.1–3.5)
Feb: 0.89" · normal 2.00" (0.7–3.4)
Mar: 4.29" · normal 2.70" (1.6–4.4)
Apr: 7.85" · normal 4.24" (2.6–6.5)
May: 1.22" · normal 4.62" (2.0–6.7)
Jun: 7.86" (so far)· normal 4.34" (1.9–6.7)
Jul: normal 3.83" (1.9–5.2)
Aug: normal 3.81" (1.7–5.4)
Sep: normal 3.06" (1.2–5.2)
Oct: normal 3.28" (1.5–6.6)
Nov: normal 2.55" (1.3–4.3)
Dec: normal 2.14" (1.0–3.6)
Baseline 1991–2020 · Source: Open-Meteo06:19 AM
Your History · CHICAGO SANITARY AND SHIP CANAL NR LEMONT, IL
Track your history
Sign in to track your sessions at CHICAGO SANITARY AND SHIP CANAL NR LEMONT, IL — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
87°
65°
MON
94°
76°
TUE
91°
74°
WED
91°
74°
THU
91°
75°
FRI
91°
70°
SAT
93°
74°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:19 AM
SUNSET
08:30 PM
15H 11M OF DAYLIGHT14H 11M REMAINING
MOON PHASE
Full Moon
97% illuminated
PEAK ACTIVITY
Station Location
41.6912, -87.9638Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 06:19 UTC
Site #05536890·USGS
Create a free account to save favorites, set flow alerts, and track conditions