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Report for 2019
 Annual Climatological Summary for 2019 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 ------------------------------------------------------------------------------------ 19 1 37.6 23.0 30.2 -1.1 1078 0 67.8 7 -6.2 30 0 8 24 1 19 2 41.6 25.8 33.8 -1.0 875 0 68.6 3 11.1 8 0 6 24 0 19 3 47.2 30.4 38.4 -6.3 583 0 69.6 13 1.5 4 0 3 10 0 19 4 19 5 19 6 19 7 19 8 19 9 19 10 19 11 19 12 ------------------------------------------------------------------------------------ 42.1 26.4 34.1 -2.8 2536 1 69.6 Mar -6.2 Jan 0 17 58 1 Precipitation (in) Dep. Max Days of Rain From Obs. >= YR MO Total Norm Day Date 0.01 0.10 1.00 --------------------------------------------- 19 1 2.39 0.19 0.53 22 11 9 0 19 2 2.81 0.55 0.86 7 10 5 0 19 3 2.89 -0.46 1.72 9 5 2 2 19 4 19 5 19 6 19 7 19 8 19 9 19 10 19 11 19 12 --------------------------------------------- 8.09 0.28 1.72 Mar 26 16 2 Wind Speed (mph) Dom YR MO Avg. Hi Date Dir ------------------------------ 19 1 2.0 35.0 28 WNW 19 2 1.6 42.0 23 WNW 19 3 2.1 54.0 14 W 19 4 19 5 19 6 19 7 19 8 19 9 19 10 19 11 19 12 ------------------------------ 1.9 54.0 Mar W
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