Official 1981-2010 Climate Normals City: STEELEVILLE State: IL ID: 118248 Latitude: 38.0033 Longitude: -89.6503 Elevation: 430.0 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 2.54 2.31 3.86 4.37 5.38 4.22 3.50 3.07 3.62 3.74 4.11 3.21 Snow: 2.4 2.6 0.9 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.2 1.3 Number of Days P001: 6.7 6.1 9.3 10.6 11.1 9.4 7.3 6.8 6.2 8.2 8.0 7.4 P010: 4.9 4.5 6.9 8.2 7.8 6.9 5.3 5.1 4.8 5.9 6.1 5.6 P100: 0.6 0.5 0.7 1.4 1.5 1.1 1.0 0.6 1.0 1.0 1.4 0.8 S001: 2.0 1.4 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.2 0.2 1.4 S010: 1.0 0.8 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.8 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: 43.93 inches Snowfall: 7.7 inches Days precipitation at or above 0 inches (P000): 97.1 Days precipitation at or above 0.10 inches (P010): 72.0 Days Precipitation at or above 1.00 inches (P100): 11.6 Days Snowfall at or above 0.1 inches (S001): 5.9 Days Snowfall at or above 1.0 inches (S010): 3.0 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