Official 1981-2010 Climate Normals City: PAYSON State: IL ID: 116670 Latitude: 39.8208 Longitude: -91.2436 Elevation: 763.9 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.79 1.88 2.49 3.68 4.84 3.89 4.47 3.86 3.31 3.21 3.20 2.36 Snow: 4.7 5.6 1.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.5 4.7 Number of Days P001: 6.1 6.3 8.9 10.4 11.5 9.8 9.6 8.0 8.4 8.7 8.9 8.1 P010: 3.3 4.4 5.8 6.9 8.0 6.2 6.8 5.5 5.4 5.4 6.6 5.0 P100: 0.3 0.3 0.4 0.7 1.4 1.2 1.7 1.1 1.1 0.8 0.9 0.6 S001: 2.3 2.8 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.1 S010: 1.9 2.5 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.9 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: 38.98 inches Snowfall: 17.0 inches Days precipitation at or above 0 inches (P000): 104.7 Days precipitation at or above 0.10 inches (P010): 69.3 Days Precipitation at or above 1.00 inches (P100): 10.5 Days Snowfall at or above 0.1 inches (S001): 8.1 Days Snowfall at or above 1.0 inches (S010): 7.2 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