Official 1981-2010 Climate Normals City: MT PULASKI State: IL ID: 115927 Latitude: 40.0075 Longitude: -89.2831 Elevation: 634.7 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.79 1.93 2.49 3.63 4.08 4.05 4.44 3.86 2.71 3.39 3.13 2.32 Snow: 3.7 4.8 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 5.1 Number of Days P001: 6.9 6.6 8.5 9.3 9.5 8.6 7.8 7.3 6.0 7.9 7.5 8.1 P010: 4.2 3.9 6.0 7.2 7.3 6.7 5.7 6.0 4.3 5.9 5.5 5.3 P100: 0.2 0.4 0.4 0.8 1.2 1.4 1.4 1.2 0.8 1.1 1.0 0.6 S001: 3.4 2.5 1.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.9 S010: 1.7 1.1 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.5 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: 37.82 inches Snowfall: 15.7 inches Days precipitation at or above 0 inches (P000): 94.0 Days precipitation at or above 0.10 inches (P010): 68.0 Days Precipitation at or above 1.00 inches (P100): 10.5 Days Snowfall at or above 0.1 inches (S001): 10.1 Days Snowfall at or above 1.0 inches (S010): 5.1 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