MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
18.8in
≈ normal
18.81 in of precipitation so far this year — about average for this point in the season (normal 18.41 in).
YTD Total
18.8in
This year so far
Normal to Date
18.4in
30-yr average
Typical Range
13.4–23.4in
10th–90th pct YTD
Departure
+2%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.46" · normal 2.00" (1.0–3.2)
Feb: 0.50" · normal 1.91" (0.8–3.6)
Mar: 4.93" · normal 2.48" (1.4–3.9)
Apr: 5.81" · normal 4.20" (2.4–5.9)
May: 0.93" · normal 4.33" (1.7–7.0)
Jun: 5.18" (so far)· normal 3.82" (1.9–6.0)
Jul: normal 3.49" (2.2–4.8)
Aug: normal 3.56" (1.7–6.0)
Sep: normal 2.95" (1.3–5.5)
Oct: normal 3.09" (1.2–5.4)
Nov: normal 2.37" (1.1–4.0)
Dec: normal 2.13" (0.9–3.9)
Baseline 1991–2020 · Source: Open-Meteo12:17 AM
Your History · CRYSTAL LAKE CULVERT INLET AT CRYSTAL LAKE, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
69°
57°
SAT
74°
61°
SUN
83°
60°
MON
89°
74°
TUE
90°
75°
WED
91°
73°
THU
89°
75°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:18 AM
SUNSET
08:33 PM
15H 15M OF DAYLIGHT20H 15M REMAINING
MOON PHASE
Waxing Gibbous
90% illuminated
Station Location
42.2389, -88.3664Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-27 00:18 UTC
Site #421420088215901·USGS
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