Homepage

2019: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec 
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 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 50.6 33.4 41.6 -3.1 725 0 69.6 13 1.5 4 0 3 11 0 19 4 68.4 47.8 57.8 1.4 274 57 86.9 22 30.8 1 0 0 2 0 19 5 75.2 57.5 66.3 0.1 121 162 89.6 16 43.1 13 0 0 0 0 19 6 82.0 65.1 73.0 -2.3 13 253 92.1 30 54.5 13 4 0 0 0 19 7 88.9 71.8 79.8 0.2 0 207 92.9 10 67.5 13 6 0 0 0 19 8 19 9 19 10 19 11 19 12 ------------------------------------------------------------------------------------ 63.5 46.3 54.6 -0.8 3089 683 92.9 Jul -6.2 Jan 10 17 61 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 6.59 3.24 1.72 9 11 6 4 19 4 6.11 2.26 2.83 30 13 7 2 19 5 7.50 3.28 2.79 21 15 9 3 19 6 5.98 1.74 1.92 21 15 9 2 19 7 3.30 -0.18 1.65 5 3 3 2 19 8 19 9 19 10 19 11 19 12 --------------------------------------------- 34.68 11.08 2.83 Apr 78 48 13 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 1.8 54.0 14 W 19 4 1.5 32.0 14 SW 19 5 0.7 33.0 18 SSW 19 6 0.4 38.0 28 W 19 7 0.1 26.0 4 SW 19 8 19 9 19 10 19 11 19 12 ------------------------------ 1.2 54.0 Mar W
USA Weather Finder