MEDIAN FLOW RATE · 30 DAY
20cfs 186.0% vs avg
Optimal band: 18–24 cfs
PERIOD HIGH
178cfs
PERIOD LOW
1cfs
RUNNABLE
13%
last 30 day in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
25.9in
+24% vs normal
25.94 in of precipitation so far this year, 24% above the 30-year normal of 20.91 in for this point in the season.
YTD Total
25.9in
This year so far
Normal to Date
20.9in
30-yr average
Typical Range
15.1–25.4in
10th–90th pct YTD
Departure
+24%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.96" · normal 2.18" (1.1–3.5)
Feb: 0.97" · normal 1.99" (0.7–3.4)
Mar: 4.07" · normal 2.68" (1.6–4.4)
Apr: 6.78" · normal 4.24" (2.7–6.5)
May: 1.55" · normal 4.64" (2.0–7.2)
Jun: 8.43" · normal 4.23" (1.9–6.7)
Jul: 2.18" (so far)· normal 3.79" (1.9–5.0)
Aug: normal 3.80" (1.7–5.4)
Sep: normal 3.03" (1.2–5.2)
Oct: normal 3.28" (1.5–6.6)
Nov: normal 2.55" (1.3–4.3)
Dec: normal 2.15" (1.0–3.6)
Baseline 1991–2020 · Source: Open-Meteo12:00 AM
Your History · ST. JOSEPH CREEK AT ROUTE 34 AT LISLE, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
86°
65°
WED
89°
67°
THU
84°
69°
FRI
86°
66°
SAT
82°
69°
SUN
88°
68°
MON
87°
70°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:24 AM
SUNSET
08:29 PM
15H 5M OF DAYLIGHT
MOON PHASE
Last Quarter
44% illuminated
Station Location
41.8019, -88.0689Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #05540195·USGS
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