Weather Observations for Champaign-Urbana, Illinois
Illinois State Water Survey, Prairie Research Institute, University of Illinois
Annual 2014 NORMALS
  High Depart Low Depart Mean Depart Precipitation Depart Snowfall Depart HDD Depart CDD Depart High Low Mean Precipitation Snowfall HDD CDD
January 28.5 -4.4 9.4 -7.3 19.2 -5.6 1.60 -0.45 14.4 7.6 1421 165 0 0 32.9 16.7 24.8 2.05 6.8 1256 0
February 27.5 -10.2 10.2 -10.0 19.0 -10.0 3.02 0.89 14.6 8.8 1287 278 0 0 37.7 20.2 29.0 2.13 5.8 1009 0
March 45.4 -4.5 23.8 -6.2 34.8 -5.2 1.39 -1.47 3.7 1.1 936 159 0 -1 49.9 30.0 40.0 2.86 2.6 777 1
April 64.0 1.2 41.4 0.3 53.0 1.1 3.94 0.26 0.2 -0.2 362 -40 1 -9 62.8 41.1 51.9 3.68 0.4 402 10
May 74.9 1.5 52.9 1.3 64.2 1.7 4.38 -0.51 0.0 0.0 148 2 123 54 73.4 51.6 62.5 4.89 0.0 146 69
June 82.6 0.1 63.5 1.6 73.4 1.2 8.21 3.87 0.0 0.0 2 -15 253 20 82.5 61.9 72.2 4.34 0.0 17 233
July 79.7 -5.3 59.8 -5.1 70.0 -4.9 8.70 4.00 0.0 0.0 6 5 161 -148 85.0 64.9 74.9 4.70 0.0 1 309
August 82.5 -1.2 64.3 1.2 73.6 0.2 1.52 -2.41 0.0 0.0 3 -2 269 4 83.7 63.1 73.4 3.93 0.0 5 265
September 75.9 -2.3 53.2 -1.0 64.9 -1.3 3.44 0.31 0.0 0.0 90 11 86 -29 78.2 54.2 66.2 3.13 0.0 79 115
October 63.3 -1.9 44.0 1.4 53.9 0.0 4.96 1.70 0.0 -0.1 350 -8 6 -8 65.2 42.6 53.9 3.26 0.1 358 14
November 43.9 -6.7 24.9 -7.1 34.6 -6.7 2.42 -1.26 0.9 0.0 911 200 0 0 50.6 32.0 41.3 3.68 0.9 711 0
December 38.3 1.6 27.1 5.9 33.0 4.1 1.81 -0.92 0.0 -6.6 993 -124 0 0 36.7 21.2 28.9 2.73 6.6 1117 0
                             
Annual 58.9 -2.7 39.5 -2.1 49.5 -2.1 45.39 4.01 33.8 10.6 6509 631 899 -117 61.6 41.6 51.6 41.38 23.2 5878 1016
Winter Season   43.4   6532    
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 new 1981-2010 average
Winter Season for snowfall and heating degree days starts on July 1, 2013 and ends on June 30, 2014.