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Report for 2024
Annual Climatological Summary for 2023 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 ------------------------------------------------------------------------------------ 23 1 50.6 32.7 41.8 10.5 302 0 69.4 3 18.1 13 0 1 7 0 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 23 10 23 11 23 12 ------------------------------------------------------------------------------------ 50.6 32.7 41.8 10.5 302 0 69.4 Jan 18.1 Jan 0 1 7 0 Precipitation (in) Dep. Max Days of Rain From Obs. >= YR MO Total Norm Day Date 0.01 0.10 1.00 --------------------------------------------- 23 1 1.25 -0.95 0.54 2 4 3 0 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 23 10 23 11 23 12 --------------------------------------------- 1.25 -0.95 0.54 Jan 4 3 0 Wind Speed (mph) Dom YR MO Avg. Hi Date Dir ------------------------------ 23 1 3.9 27.0 12 W 23 2 23 3 23 4 23 5 23 6 23 7 23 8 23 9 23 10 23 11 23 12 ------------------------------ 3.9 27.0 Jan W