MEDIAN FLOW RATE · 1 DAY
107cfs 67.6% vs avg
Optimal band: 120–162 cfs
PERIOD HIGH
162cfs
PERIOD LOW
102cfs
RUNNABLE
97%
last 1 day in band
Gauge Height
6.67ft
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
20.1in
+17% vs normal
20.1 in of precipitation so far this year, 17% above the 30-year normal of 17.22 in for this point in the season.
YTD Total
20.1in
This year so far
Normal to Date
17.2in
30-yr average
Typical Range
12.9–21.4in
10th–90th pct YTD
Departure
+17%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.83" · normal 1.59" (0.8–2.4)
Feb: 0.90" · normal 1.55" (0.7–2.6)
Mar: 3.76" · normal 2.28" (0.8–4.1)
Apr: 5.72" · normal 3.64" (2.5–4.8)
May: 1.26" · normal 3.69" (2.5–5.0)
Jun: 5.77" · normal 3.89" (2.0–6.6)
Jul: 0.86" (so far)· normal 3.14" (2.2–4.3)
Aug: normal 3.66" (1.7–5.1)
Sep: normal 2.92" (1.4–4.3)
Oct: normal 2.86" (1.3–4.5)
Nov: normal 2.10" (0.8–3.6)
Dec: normal 1.83" (0.7–3.4)
Baseline 1991–2020 · Source: Open-Meteo01:09 AM
Your History · ROCK RIVER AT HORICON, WI
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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
66°
MON
85°
61°
TUE
81°
58°
WED
81°
65°
THU
80°
67°
FRI
78°
63°
SAT
81°
62°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:20 AM
SUNSET
08:38 PM
15H 18M OF DAYLIGHT
MOON PHASE
Last Quarter
64% illuminated
Station Location
43.4503, -88.6322Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #05424057·USGS
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