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Report for 2017
Annual Climatological Summary for 2017 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 ------------------------------------------------------------------------------------ 17 1 17 2 17 3 17 4 17 5 17 6 17 7 17 8 17 9 85.9 60.3 71.6 8.9 21 70 97.9 23 45.8 30 5 0 0 0 17 10 63.0 43.1 54.7 3.9 268 26 83.8 2 0.0 13 2 0 2 2 17 11 46.1 29.9 38.5 0.7 1351 0 62.0 24 16.3 10 0 0 34 0 17 12 33.7 19.0 26.2 1.0 2363 0 64.1 4 -4.6 27 0 16 50 10 ------------------------------------------------------------------------------------ 57.2 38.1 47.7 3.6 4005 97 97.9 Sep -4.6 Dec 7 16 86 12 Precipitation (in) Dep. Max Days of Rain From Obs. >= YR MO Total Norm Day Date 0.01 0.10 1.00 --------------------------------------------- 17 1 17 2 17 3 17 4 17 5 17 6 17 7 17 8 17 9 0.00 -3.60 0.00 0 0 0 0 17 10 8.91 6.21 5.82 14 9 7 1 17 11 3.41 0.31 0.62 18 16 10 0 17 12 0.44 -1.66 0.13 4 8 2 0 --------------------------------------------- 12.76 1.26 5.82 Oct 33 19 1 Wind Speed (mph) Dom YR MO Avg. Hi Date Dir ------------------------------ 17 1 17 2 17 3 17 4 17 5 17 6 17 7 17 8 17 9 0.1 5.4 27 NW 17 10 0.6 18.0 14 WSW 17 11 1.0 24.0 15 W 17 12 1.3 24.0 5 WSW ------------------------------ 0.8 24.0 Nov W