Official 1981-2010 Climate Normals City: KANKAKEE WASTEWATER State: IL ID: 114603 Latitude: 41.1381 Longitude: -87.8856 Elevation: 639.9 ft Temperature-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 32.0 36.5 48.0 61.0 71.8 81.6 84.6 82.9 77.2 64.4 49.9 35.7 Mean: 24.3 28.3 38.8 50.4 61.1 71.1 74.7 72.8 65.7 53.3 41.4 28.1 Low: 16.5 20.1 29.6 39.8 50.4 60.5 64.9 62.7 54.2 42.2 32.9 20.6 CDD: 0 0 0 8 58 208 304 249 111 12 0 0 HDD: 1263 1027 813 446 179 27 2 8 90 375 708 1142 Number of Days T090: 0.0 0.0 0.0 0.0 0.7 4.4 5.7 4.0 1.6 0.0 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.1 0.0 0.0 0.0 0.0 T000: 3.9 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.8 T032: 27.6 24.1 19.4 5.3 0.2 0.0 0.0 0.0 0.0 3.1 13.6 26.1 ------------------------------------------------------------------------------------------ Annual Values High Temp: 60.6 F Mean Temp: 50.9 F Low Temp: 41.3 F Cooling DD: 951 Heating DD: 6079 Days above 90 (T090): 16.3 Days above 100 (T100): 0.5 Days below 0 (T000): 7.5 Days below 32 (T032): 119.4 ------------------------------------------------------------------------------------------ Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.99 1.86 2.54 3.48 4.81 4.14 4.65 3.31 3.19 3.11 3.48 2.60 Snow: 7.9 5.4 2.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.6 6.3 Number of Days P001: 9.3 7.8 8.7 10.2 11.5 9.6 9.0 8.4 7.5 8.9 9.7 9.8 P010: 5.0 4.4 5.7 6.9 8.0 6.4 6.4 5.1 5.4 6.0 6.1 5.4 P100: 0.3 0.3 0.5 0.9 1.3 1.2 1.4 0.8 0.7 0.6 0.8 0.5 S001: 4.5 3.6 1.6 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.0 S010: 3.2 2.4 1.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.6 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: 39.16 inches Snowfall: 23.5 inches Days precipitation at or above 0 inches (P000): 110.4 Days precipitation at or above 0.10 inches (P010): 70.8 Days Precipitation at or above 1.00 inches (P100): 9.3 Days Snowfall at or above 0.1 inches (S001): 14.6 Days Snowfall at or above 1.0 inches (S010): 9.7 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