Official 1981-2010 Climate Normals City: STE MARIE State: IL ID: 117603 Latitude: 38.9344 Longitude: -88.0242 Elevation: 499.9 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 2.77 2.50 3.53 4.14 5.21 4.22 4.42 3.29 3.29 3.54 4.14 3.30 Snow: 4.6 2.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 3.9 Number of Days P001: 7.6 7.5 9.4 10.3 11.2 9.6 8.1 7.1 6.8 7.8 9.3 9.1 P010: 5.1 5.2 6.7 7.4 8.0 6.9 6.3 5.2 5.1 5.3 6.6 6.7 P100: 0.6 0.4 0.8 0.9 1.5 1.1 1.3 1.0 1.2 1.2 1.0 0.7 S001: 2.7 1.7 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.3 1.6 S010: 1.9 1.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 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: 44.35 inches Snowfall: 12.9 inches Days precipitation at or above 0 inches (P000): 103.8 Days precipitation at or above 0.10 inches (P010): 74.5 Days Precipitation at or above 1.00 inches (P100): 11.7 Days Snowfall at or above 0.1 inches (S001): 6.8 Days Snowfall at or above 1.0 inches (S010): 4.9 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