Official 1981-2010 Climate Normals City: VIRGINIA State: IL ID: 118870 Latitude: 39.9494 Longitude: -90.2083 Elevation: 619.9 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.90 2.07 2.76 3.73 4.56 4.29 4.33 3.53 3.36 3.07 3.48 2.67 Snow: 6.8 5.3 2.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.3 5.4 Number of Days P001: 6.8 6.4 9.3 11.1 11.1 9.3 8.9 8.0 7.7 8.6 8.9 8.5 P010: 3.9 4.2 5.9 7.3 7.5 6.7 6.4 5.8 5.5 6.1 6.0 5.4 P100: 0.4 0.5 0.4 0.7 1.2 1.3 1.3 1.0 0.9 0.6 0.9 0.8 S001: 3.2 1.9 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.2 S010: 2.3 1.6 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.7 S100: 0.0 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: 39.75 inches Snowfall: 20.2 inches Days precipitation at or above 0 inches (P000): 104.6 Days precipitation at or above 0.10 inches (P010): 70.7 Days Precipitation at or above 1.00 inches (P100): 10.0 Days Snowfall at or above 0.1 inches (S001): 8.6 Days Snowfall at or above 1.0 inches (S010): 6.5 Days Snowfall at or above 10.0 inches (S100): 0.0 ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ 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