Official 1981-2010 Climate Normals City: EDWARDSVILLE 2 W State: IL ID: 112679 Latitude: 38.8097 Longitude: -90.0028 Elevation: 499.9 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 2.51 2.41 3.09 4.05 5.17 4.48 4.16 3.62 3.14 3.54 4.10 2.93 Snow: 3.9 3.2 0.9 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 3.8 Number of Days P001: 7.0 7.2 9.0 10.3 11.6 10.2 7.4 8.1 7.0 8.4 8.9 8.2 P010: 4.5 5.0 6.6 7.0 9.0 7.7 5.7 6.1 4.7 6.1 6.4 5.4 P100: 0.7 0.5 0.5 0.8 1.7 1.4 1.3 1.2 0.9 0.8 1.0 0.8 S001: 2.6 2.0 0.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2.2 S010: 1.3 1.3 0.5 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4 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: 43.20 inches Snowfall: 12.1 inches Days precipitation at or above 0 inches (P000): 103.3 Days precipitation at or above 0.10 inches (P010): 74.2 Days Precipitation at or above 1.00 inches (P100): 11.6 Days Snowfall at or above 0.1 inches (S001): 7.7 Days Snowfall at or above 1.0 inches (S010): 4.6 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