Official 1981-2010 Climate Normals City: URBANA State: IL ID: 118740 Latitude: 40.0839 Longitude: -88.2403 Elevation: 720.9 ft Temperature-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 32.9 37.7 49.9 62.8 73.4 82.5 85.0 83.7 78.2 65.2 50.6 36.7 Mean: 24.8 29.0 40.0 51.9 62.5 72.2 74.9 73.4 66.2 53.9 41.3 28.9 Low: 16.7 20.2 30.0 41.1 51.6 61.9 64.9 63.1 54.2 42.6 32.0 21.2 CDD: 0 0 1 10 69 233 309 265 115 14 0 0 HDD: 1246 1009 777 402 146 17 1 5 79 358 711 1117 Number of Days T090: 0.0 0.0 0.0 0.0 0.6 4.4 5.9 5.1 2.4 0.1 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 T000: 3.7 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.6 T032: 28.3 24.9 18.5 4.6 0.1 0.0 0.0 0.0 0.1 3.8 15.9 26.0 ------------------------------------------------------------------------------------------ Annual Values High Temp: 61.7 F Mean Temp: 51.7 F Low Temp: 41.7 F Cooling DD: 1016 Heating DD: 5869 Days above 90 (T090): 18.5 Days above 100 (T100): 0.1 Days below 0 (T000): 6.9 Days below 32 (T032): 122.1 ------------------------------------------------------------------------------------------ Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 2.05 2.13 2.86 3.68 4.89 4.34 4.70 3.93 3.13 3.26 3.68 2.73 Snow: 6.8 5.8 2.6 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.9 6.6 Number of Days P001: 9.3 8.9 10.6 11.9 12.2 10.4 10.0 9.4 7.7 9.6 10.3 10.6 P010: 4.7 4.5 6.2 7.7 8.2 6.6 6.9 6.1 5.0 6.0 6.6 5.7 P100: 0.3 0.4 0.6 0.7 1.4 1.3 1.4 1.0 0.9 0.8 0.9 0.4 S001: 5.2 4.2 2.3 0.3 0.0 0.0 0.0 0.0 0.0 0.1 1.1 5.0 S010: 2.2 1.8 0.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.0 S100: 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 41.38 inches Snowfall: 23.2 inches Days precipitation at or above 0 inches (P000): 120.9 Days precipitation at or above 0.10 inches (P010): 74.2 Days Precipitation at or above 1.00 inches (P100): 10.1 Days Snowfall at or above 0.1 inches (S001): 18.2 Days Snowfall at or above 1.0 inches (S010): 7.3 Days Snowfall at or above 10.0 inches (S100): 0.1 ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ KEY: High - average daily high temperature, degrees F Mean - average daily mean temperature, degrees F Low - average daily low temperature, degrees F CDD - cooling degree days, base 50F HDD - heating degree days, base 50F T090 - number of Days with Temperatures above 90 degrees F T100 - number of Days with Temperatures above 100 degrees F T000 - number of Days with Temperatures below 0 degrees F T032 - number of Days with Temperatures below 32 degrees F Prcp - precipitation, inches Snow - snowfall, inches P001 - number of Days with Precipitation of 0.01 inches or more P010 - number of Days with Precipitation of 0.10 inches or more P100 - number of Days with Precipitation of 1.00 inches or more S001 - number of Days with Snowfall of 0.1 inches or more S010 - number of Days with Snowfall of 1.0 inches or more S100 - number of Days with Snowfall of 10.0 inches or more Page Source: Dr. Jim Angel, State Climatologist Illinois State Water Survey Prairie Research Institute University of Illinois Data Source: NOAA National Climatic Data Center