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Report for 2026
Annual Climatological Summary for 2026
Name: NapervilleWather.com City: Naperville State: IL
Elevation: 781 ft Lat: N 41° 47' 23" Lon: W 088° 07' 27"
Temperature (°F), Heat Base: 65.0 Cool Base: 65.0
Dep. Heat Cool Max Max Min Min
Mean Mean From Deg Deg >= <= <= <=
YR MO Max Min Mean Norm Days Days Hi Date Low Date 80.0 25.2 32.0 0.0
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26 1 40.1 28.8 33.9 14.6 463 0 58.9 8 10.0 1 0 3 8 0
26 2
26 3
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
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40.1 28.8 33.9 14.6 463 0 58.9 Jan 10.0 Jan 0 3 8 0
Precipitation (in)
Dep. Max Days of Rain
From Obs. >=
YR MO Total Norm Day Date 0.01 0.10 1.00
---------------------------------------------
26 1 2.96 1.26 1.46 8 6 2 2
26 2
26 3
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
---------------------------------------------
2.96 1.26 1.46 Jan 6 2 2
Wind Speed (mph)
Dom
YR MO Avg. Hi Date Dir
------------------------------
26 1 0.0 0.0 0 ---
26 2
26 3
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
------------------------------
0.0 0.0 --- ---