MEDIAN FLOW RATE · 1 YEAR
122cfs 43.6% vs avg
Optimal band: 37–51 cfs
PERIOD HIGH
943cfs
PERIOD LOW
27cfs
RUNNABLE
25%
last 1 year in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
22.7in
+16% vs normal
22.72 in of precipitation so far this year, 16% above the 30-year normal of 19.65 in for this point in the season.
YTD Total
22.7in
This year so far
Normal to Date
19.6in
30-yr average
Typical Range
14.4–23.8in
10th–90th pct YTD
Departure
+16%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.09" · normal 1.87" (1.0–3.0)
Feb: 0.19" · normal 1.89" (0.7–3.5)
Mar: 4.02" · normal 2.63" (1.3–4.7)
Apr: 8.42" · normal 4.33" (2.9–6.1)
May: 1.55" · normal 4.70" (1.9–7.3)
Jun: 7.46" (so far)· normal 4.47" (2.3–7.1)
Jul: normal 3.71" (1.6–5.6)
Aug: normal 3.62" (1.4–5.6)
Sep: normal 3.40" (1.6–5.8)
Oct: normal 2.95" (1.1–4.9)
Nov: normal 2.57" (0.9–4.1)
Dec: normal 2.22" (1.0–4.3)
Baseline 1991–2020 · Source: Open-Meteo12:13 AM
Your History · ELKHORN CREEK NEAR PENROSE, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
80°
62°
SUN
89°
64°
MON
89°
75°
TUE
89°
74°
WED
90°
73°
THU
90°
72°
FRI
89°
72°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:25 AM
SUNSET
08:38 PM
15H 13M OF DAYLIGHT20H 19M REMAINING
MOON PHASE
Waxing Gibbous
95% illuminated
Station Location
41.9027, -89.6964Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 00:19 UTC
Site #05444000·USGS
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