MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.1in
≈ normal
20.11 in of precipitation so far this year — about average for this point in the season (normal 19.24 in).
YTD Total
20.1in
This year so far
Normal to Date
19.2in
30-yr average
Typical Range
13.1–23.6in
10th–90th pct YTD
Departure
+5%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.29" · normal 1.87" (1.0–2.8)
Feb: 0.41" · normal 1.82" (0.7–3.4)
Mar: 2.71" · normal 2.46" (1.2–4.1)
Apr: 6.72" · normal 4.15" (2.7–6.0)
May: 1.14" · normal 4.29" (1.8–7.5)
Jun: 6.63" · normal 4.04" (1.8–6.7)
Jul: 1.20" (so far)· normal 3.56" (1.6–5.9)
Aug: normal 3.43" (1.5–5.7)
Sep: normal 3.20" (1.3–6.6)
Oct: normal 2.95" (1.2–5.5)
Nov: normal 2.37" (0.8–4.0)
Dec: normal 2.13" (0.9–4.0)
Baseline 1991–2020 · Source: Open-Meteo01:09 AM
Your History · ROCK RIVER AT LATHAM PARK, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
79°
65°
MON
84°
63°
TUE
82°
60°
WED
84°
65°
THU
83°
69°
FRI
81°
67°
SAT
82°
64°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:25 AM
SUNSET
08:35 PM
15H 10M OF DAYLIGHT
MOON PHASE
Last Quarter
64% illuminated
Station Location
42.3686, -89.0573Loading map…
DATA · USGS · NOAA · NWS
Site #05437610·USGS
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