Official 1981-2010 Climate Normals City: MT CARMEL State: IL ID: 115888 Latitude: 38.4106 Longitude: -87.7578 Elevation: 430.0 ft Temperature-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 38.7 43.9 54.2 65.7 75.0 83.9 86.9 86.0 79.9 68.2 55.3 42.0 Mean: 31.3 35.5 45.1 55.9 65.7 74.8 77.8 76.2 69.0 57.3 46.3 34.5 Low: 23.9 27.1 36.0 46.1 56.3 65.6 68.6 66.5 58.0 46.3 37.3 27.0 CDD: 0 0 3 25 110 299 396 351 168 28 2 0 HDD: 1045 826 620 298 89 6 0 2 50 268 563 945 Number of Days T090: 0.0 0.0 0.0 0.0 0.5 5.2 8.7 8.3 2.8 0.0 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 T000: 0.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 T032: 23.9 18.5 11.4 1.5 0.0 0.0 0.0 0.0 0.0 1.5 9.4 20.9 ------------------------------------------------------------------------------------------ Annual Values High Temp: 65.1 F Mean Temp: 55.9 F Low Temp: 46.7 F Cooling DD: 1380 Heating DD: 4712 Days above 90 (T090): 25.4 Days above 100 (T100): 0.2 Days below 0 (T000): 1.2 Days below 32 (T032): 87.2 ------------------------------------------------------------------------------------------ Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 3.14 3.05 3.99 4.19 5.93 3.71 4.19 3.31 2.94 3.75 4.23 3.51 Snow: 2.0 2.8 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 2.7 Number of Days P001: 8.9 8.7 10.3 10.9 12.3 9.2 8.3 6.9 6.5 7.5 9.6 10.3 P010: 5.6 6.1 6.7 7.9 8.7 6.3 6.0 5.1 4.8 5.4 6.6 6.8 P100: 0.6 0.6 1.0 0.9 1.8 1.0 1.4 1.0 0.7 0.8 1.4 0.7 S001: 2.0 1.9 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 1.8 S010: 1.1 1.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 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: 45.94 inches Snowfall: 8.6 inches Days precipitation at or above 0 inches (P000): 109.4 Days precipitation at or above 0.10 inches (P010): 76.0 Days Precipitation at or above 1.00 inches (P100): 11.9 Days Snowfall at or above 0.1 inches (S001): 6.1 Days Snowfall at or above 1.0 inches (S010): 3.5 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