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Report for 2023
Annual Climatological Summary for 2023
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
------------------------------------------------------------------------------------
23 1 40.9 25.6 30.9 11.6 1568 4 158.0 24 -1.0 31 2 4 36 2
23 2 44.9 23.0 32.5 8.2 1532 1 158.0 6 -0.9 3 2 4 43 6
23 3 59.0 28.8 37.8 2.6 1600 28 158.0 1 0.0 3 7 2 36 3
23 4 67.1 39.2 51.0 4.0 918 95 158.0 1 27.0 2 10 0 12 0
23 5 74.8 49.9 61.8 3.4 379 191 90.4 7 35.8 3 19 0 0 0
23 6 82.9 58.7 70.1 2.0 114 401 93.5 24 47.6 12 40 0 0 0
23 7 83.7 62.8 73.0 0.4 18 358 92.7 28 0.0 12 35 0 1 1
23 8 82.4 63.1 72.2 1.6 47 477 98.3 23 52.2 31 37 0 0 0
23 9 82.9 58.0 66.5 3.8 159 249 158.0 17 48.9 14 21 0 0 0
23 10 71.1 45.5 54.5 3.7 703 112 158.0 7 24.5 31 14 0 4 0
23 11 61.4 31.9 44.1 6.3 1217 134 158.0 8 14.4 28 6 2 31 0
23 12 46.6 32.3 38.2 13.0 1593 7 158.0 8 14.5 19 2 0 33 0
------------------------------------------------------------------------------------
66.5 43.2 52.7 5.1 9853 2063 158.0 Jan -1.0 Jan 195 12 196 12
Precipitation (in)
Dep. Max Days of Rain
From Obs. >=
YR MO Total Norm Day Date 0.01 0.10 1.00
---------------------------------------------
23 1 3.04 1.34 0.80 3 14 10 0
23 2 5.31 3.91 0.92 22 26 10 0
23 3 4.68 2.48 0.52 25 34 18 0
23 4 3.44 -0.46 0.44 4 27 16 0
23 5 1.46 -2.34 0.18 12 16 2 0
23 6 2.05 -2.25 0.82 25 9 3 0
23 7 7.91 3.51 1.31 2 23 13 2
23 8 0.05 -4.35 0.01 1 5 0 0
23 9 6.15 2.55 1.09 11 24 12 2
23 10 3.78 1.08 0.48 5 24 15 0
23 11 1.49 -1.61 0.37 21 11 4 0
23 12 5.06 2.96 0.57 22 26 14 0
---------------------------------------------
44.42 6.82 1.31 Jul 239 117 4
Wind Speed (mph)
Dom
YR MO Avg. Hi Date Dir
------------------------------
23 1 0.8 17.0 17 WSW
23 2 1.3 23.0 14 SW
23 3 1.2 25.0 31 SSW
23 4 1.1 25.0 1 SSW
23 5 0.5 21.0 1 W
23 6 0.4 20.0 25 E
23 7 0.2 24.0 28 NW
23 8 0.2 12.0 17 NW
23 9 0.1 9.0 4 E
23 10 0.3 17.0 21 NW
23 11 0.5 15.0 26 WSW
23 12 0.8 22.0 18 SW
------------------------------
0.6 25.0 Mar SW