Official 1981-2010 Climate Normals City: DANVILLE SEWAGE PLT State: IL ID: 112145 Latitude: 40.1017 Longitude: -87.5967 Elevation: 526.8 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 2.25 2.07 2.96 3.91 4.85 4.34 4.86 3.30 2.80 3.54 3.68 2.92 Snow: 6.4 4.4 2.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 4.1 Number of Days P001: 7.9 7.8 9.8 11.2 12.0 10.3 9.8 8.5 7.7 9.0 9.6 9.8 P010: 5.0 4.4 6.2 7.8 8.2 7.1 7.2 5.5 4.9 5.8 6.6 6.4 P100: 0.4 0.5 0.4 0.6 1.2 1.2 1.5 0.8 0.7 1.1 0.9 0.5 S001: 3.1 2.7 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.7 S010: 2.0 1.6 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.9 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: 41.48 inches Snowfall: 17.6 inches Days precipitation at or above 0 inches (P000): 113.4 Days precipitation at or above 0.10 inches (P010): 75.1 Days Precipitation at or above 1.00 inches (P100): 9.8 Days Snowfall at or above 0.1 inches (S001): 9.8 Days Snowfall at or above 1.0 inches (S010): 6.4 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