Official 1981-2010 Climate Normals City: VARNA State: IL ID: 118797 Latitude: 41.0389 Longitude: -89.2289 Elevation: 728.8 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.73 1.54 2.55 3.54 4.62 3.76 4.44 3.89 3.36 2.85 3.28 1.97 Snow: 6.4 2.4 1.8 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.7 3.4 Number of Days P001: 6.0 5.0 6.8 8.5 9.3 7.7 7.3 7.4 5.9 6.5 6.3 6.4 P010: 4.0 3.3 5.1 6.9 7.3 6.3 6.1 6.0 5.0 5.2 5.3 4.3 P100: 0.5 0.2 0.6 0.7 1.2 1.2 1.2 1.3 1.0 0.8 0.7 0.4 S001: 2.0 1.2 0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.3 1.6 S010: 1.9 1.0 0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.6 S100: 0.1 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 37.53 inches Snowfall: 15.5 inches Days precipitation at or above 0 inches (P000): 83.1 Days precipitation at or above 0.10 inches (P010): 64.8 Days Precipitation at or above 1.00 inches (P100): 9.8 Days Snowfall at or above 0.1 inches (S001): 5.8 Days Snowfall at or above 1.0 inches (S010): 5.4 Days Snowfall at or above 10.0 inches (S100): 0.2 ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ 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