MEDIAN FLOW RATE · 1 YEAR
8,152cfs 27.8% vs avg
Optimal band: 4,285–5,797 cfs
PERIOD HIGH
32,326cfs
PERIOD LOW
2,334cfs
RUNNABLE
23%
last 1 year in band
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
23.8in
+16% vs normal
23.81 in of precipitation so far this year, 16% above the 30-year normal of 20.54 in for this point in the season.
YTD Total
23.8in
This year so far
Normal to Date
20.5in
30-yr average
Typical Range
15.1–24.8in
10th–90th pct YTD
Departure
+16%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.04" · normal 1.96" (1.0–3.0)
Feb: 0.28" · normal 1.93" (0.8–3.5)
Mar: 4.90" · normal 2.60" (1.4–3.8)
Apr: 7.85" · normal 4.31" (2.7–5.9)
May: 1.24" · normal 4.70" (1.8–7.2)
Jun: 7.70" · normal 4.36" (2.3–6.4)
Jul: 0.80" (so far)· normal 3.58" (1.3–5.6)
Aug: normal 3.51" (1.5–5.7)
Sep: normal 3.28" (1.4–5.3)
Oct: normal 2.96" (1.2–4.7)
Nov: normal 2.55" (0.9–4.6)
Dec: normal 2.24" (1.0–4.1)
Baseline 1991–2020 · Source: Open-Meteo01:07 AM
Your History · ROCK RIVER AT DIXON, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
66°
MON
82°
65°
TUE
86°
63°
WED
83°
66°
THU
83°
69°
FRI
82°
69°
SAT
82°
66°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:29 AM
SUNSET
08:35 PM
15H 6M OF DAYLIGHT
MOON PHASE
Last Quarter
64% illuminated
Station Location
41.8442, -89.4858Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #05442300·USGS
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