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Report for 2020
 Annual Climatological Summary for 2020 Name: ofallonweather.com City: O'Fallon State: MO Elevation: 550 ft Lat: N 38° 50' 20" Lon: W 090° 43' 43" 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 90.0 32.0 32.0 0.0 ------------------------------------------------------------------------------------ 20 1 41.7 27.7 34.9 3.6 811 0 59.9 10 11.8 19 0 5 23 0 20 2 20 3 20 4 20 5 20 6 20 7 20 8 20 9 20 10 20 11 20 12 ------------------------------------------------------------------------------------ 41.7 27.7 34.9 3.6 811 0 59.9 Jan 11.8 Jan 0 5 23 0 Precipitation (in) Dep. Max Days of Rain From Obs. >= YR MO Total Norm Day Date 0.01 0.10 1.00 --------------------------------------------- 20 1 5.58 3.38 3.26 10 10 7 1 20 2 20 3 20 4 20 5 20 6 20 7 20 8 20 9 20 10 20 11 20 12 --------------------------------------------- 5.58 3.38 3.26 Jan 10 7 1 Wind Speed (mph) Dom YR MO Avg. Hi Date Dir ------------------------------ 20 1 4.5 36.0 18 WSW 20 2 20 3 20 4 20 5 20 6 20 7 20 8 20 9 20 10 20 11 20 12 ------------------------------ 4.5 36.0 Jan WSW
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