Official 1981-2010 Climate Normals City: AUGUSTA State: IL ID: 110330 Latitude: 40.2378 Longitude: -90.9456 Elevation: 679.9 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.80 1.94 2.87 3.87 4.92 4.40 4.36 3.93 3.37 2.96 3.08 2.11 Snow: 7.0 3.0 2.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 5.8 Number of Days P001: 6.6 5.5 7.5 10.1 10.6 9.7 7.4 7.9 6.7 7.5 6.5 6.4 P010: 4.5 3.5 5.4 8.1 7.9 7.6 5.6 5.9 5.2 5.2 4.4 4.2 P100: 0.5 0.6 0.7 1.2 1.5 1.7 1.0 1.3 0.6 0.6 0.6 0.5 S001: 3.8 2.4 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.4 3.2 S010: 2.8 2.3 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.5 S100: 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 39.61 inches Snowfall: 18.7 inches Days precipitation at or above 0 inches (P000): 92.4 Days precipitation at or above 0.10 inches (P010): 67.5 Days Precipitation at or above 1.00 inches (P100): 10.8 Days Snowfall at or above 0.1 inches (S001): 10.7 Days Snowfall at or above 1.0 inches (S010): 8.7 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