Homepage

2018: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2017: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2016: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2015: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2014: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2013: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2012: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2011: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2010: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2009: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2008: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2007: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2006: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
2005: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 

Report for 2018
 Annual Climatological Summary for 2018 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 ------------------------------------------------------------------------------------ 18 1 38.9 19.8 30.0 -1.3 1084 0 70.1 21 -7.9 1 0 12 23 3 18 2 47.1 27.0 37.1 2.3 786 5 77.6 15 4.9 5 0 6 21 0 18 3 50.0 35.0 42.4 -2.3 700 0 68.7 15 25.0 9 0 0 10 0 18 4 60.0 39.4 49.4 -7.0 495 26 87.2 12 23.0 7 0 0 10 0 18 5 84.5 63.7 74.4 8.2 12 303 94.6 27 34.7 6 4 0 0 0 18 6 89.7 69.1 79.4 4.1 2 304 95.8 1 57.2 4 10 0 0 0 18 7 18 8 18 9 18 10 18 11 18 12 ------------------------------------------------------------------------------------ 61.7 42.3 52.1 0.7 3082 641 95.8 Jun -7.9 Jan 14 18 64 3 Precipitation (in) Dep. Max Days of Rain From Obs. >= YR MO Total Norm Day Date 0.01 0.10 1.00 --------------------------------------------- 18 1 1.32 -0.88 0.85 22 5 2 0 18 2 4.74 2.48 2.06 20 12 6 2 18 3 5.95 2.60 1.80 26 15 10 1 18 4 2.59 -1.26 1.57 13 6 3 1 18 5 4.19 -0.03 1.51 3 8 8 1 18 6 1.86 -2.38 0.79 14 6 4 0 18 7 18 8 18 9 18 10 18 11 18 12 --------------------------------------------- 20.65 0.53 2.06 Feb 52 33 5 Wind Speed (mph) Dom YR MO Avg. Hi Date Dir ------------------------------ 18 1 4.5 30.0 11 WSW 18 2 3.9 32.0 20 SW 18 3 4.8 32.0 6 NE 18 4 4.6 36.0 3 W 18 5 2.6 33.0 14 SW 18 6 2.7 32.0 20 SW 18 7 18 8 18 9 18 10 18 11 18 12 ------------------------------ 3.8 36.0 Apr WSW
USA Weather Finder