Annual 2019 NORMALS
  High Depart Low Depart Mean Depart Precipitation Depart Snowfall Depart HDD Depart CDD Depart High Low Mean Precipitation Snowfall HDD CDD
January 31.2 -1.7 16.6 -0.1 24.1 -0.7 3.85 1.80 9.8 3.0 1267 11 0 0 32.9 16.7 24.8 2.05 6.8 1256 0
February 38.0 0.3 21.7 1.5 30.1 1.1 1.90 -0.23 1.4 -4.4 977 -32 0 0 37.7 20.2 29.0 2.13 5.8 1009 0
March 46.1 -3.8 27.5 -2.5 37.1 -2.9 5.09 2.23 2.1 -0.5 865 88 0 -1 49.9 30.0 40.0 2.86 2.6 777 1
April 62.7 -0.1 42.1 1.0 52.7 0.8 4.89 1.21 0.0 -0.4 370 -32 0 -10 62.8 41.1 51.9 3.68 0.4 402 10
May 73.0 -0.4 53.2 1.6 63.4 0.9 6.08 1.19 0.0 0.0 146 0 96 27 73.4 51.6 62.5 4.89 0.0 146 69
June 81.7 -0.8 61.1 -0.8 71.6 -0.6 2.82 -1.52 0.0 0.0 8 -9 207 -26 82.5 61.9 72.2 4.34 0.0 17 233
July 81.7 -3.3 61.1 -3.8 77.5 2.6 3.38 -1.32 0.0 0.0 0 -1 389 80 85.0 64.9 74.9 4.70 0.0 1 309
August 83.6 -0.1 63.2 0.1 73.6 0.2 2.19 -1.74 0.0 0.0 0 -5 267 2 83.7 63.1 73.4 3.93 0.0 5 265
September 83.5 5.3 60.7 6.5 72.3 6.1 3.36 0.23 0.0 0.0 1 -78 221 106 78.2 54.2 66.2 3.13 0.0 79 115
October 64.4 -0.8 43.0 0.4 54.0 0.1 5.00 1.74 0.0 -0.1 367 9 25 11 65.2 42.6 53.9 3.26 0.1 358 14
November 45.4 -5.2 26.3 -5.7 36.2 -5.1 1.91 -1.77 2.1 1.2 864 153 0 0 50.6 32.0 41.3 3.68 0.9 711 0
December 43.6 6.9 24.9 3.7 34.5 5.6 1.82 -0.91 3.2 -3.4 944 -173 0 0 36.7 21.2 28.9 2.73 6.6 1117 0
                             
Annual 61.3 -0.3 41.8 0.2 52.3 0.7 42.29 0.91 18.6 -4.6 5809 -69 1205 189 61.6 41.6 51.6 41.38 23.2 5878 1016
Winter             5.75 1.57 13.3 -1.4 3633   0 0
Spring 60.6 -1.4 40.9 0.0 51.1 -0.4 16.06 4.63 2.1 -0.9 1381 56 96 16
Summer 82.3 -1.4 61.8 -1.5 74.3 0.8 8.39 -4.58 0.0 0.0 8 -15 863 56
Fall 64.5 -0.2 43.3 0.4 54.2 0.4                
Notes:
Temperatures are from midnight to midnight (calendar day) and are in degrees Fahrenheit
Precipitation and snowfall are measured at 8 am and represent the previous 24 hours, T means a trace of precipitation
Time is always Central Standard Time (CST)
Heating and cooling degree days use a base temperature of 65F
Normal refers to the 1981-2010 average
Winter season for snowfall and heating degree days starts on July 1, 2017, and ends on June 30, 2018.