MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
21.0in
+17% vs normal
20.98 in of precipitation so far this year, 17% above the 30-year normal of 17.87 in for this point in the season.
YTD Total
21.0in
This year so far
Normal to Date
17.9in
30-yr average
Typical Range
12.9–23.3in
10th–90th pct YTD
Departure
+17%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.91" · normal 1.71" (0.9–2.8)
Feb: 0.89" · normal 1.66" (0.6–3.2)
Mar: 3.76" · normal 2.34" (0.9–4.2)
Apr: 6.26" · normal 3.76" (2.5–4.9)
May: 1.09" · normal 3.84" (1.9–5.8)
Jun: 6.29" · normal 4.00" (1.6–6.6)
Jul: 0.78" (so far)· normal 3.33" (2.0–4.7)
Aug: normal 3.57" (1.8–5.5)
Sep: normal 2.94" (1.3–4.7)
Oct: normal 2.84" (0.9–5.0)
Nov: normal 2.14" (1.0–3.6)
Dec: normal 1.95" (0.8–3.8)
Baseline 1991–2020 · Source: Open-Meteo01:07 AM
Your History · ROCK RIVER AT JEFFERSON, WI
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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
66°
MON
84°
62°
TUE
82°
59°
WED
83°
65°
THU
84°
67°
FRI
79°
63°
SAT
82°
63°
FISH INDEX
Temperature
Warm
Wind
Light
Pressure
Rising — Slow
Moon Phase
Good
DAYLIGHT
SUNRISE
05:22 AM
SUNSET
08:37 PM
15H 15M OF DAYLIGHT
MOON PHASE
Last Quarter
64% illuminated
Station Location
42.9961, -88.8073Loading map…
DATA · USGS · NOAA · NWS
Site #05426031·USGS
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