Official 1981-2010 Climate Normals City: MOWEAQUA 2S State: IL ID: 115950 Latitude: 39.5878 Longitude: -89.0158 Elevation: 624.8 ft Temperature-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 34.9 40.3 52.4 64.6 74.9 83.8 86.8 85.8 79.5 67.7 53.1 39.1 Mean: 26.2 30.8 42.1 53.2 63.6 73.1 76.1 74.1 66.7 55.2 43.2 30.6 Low: 17.5 21.2 31.7 41.7 52.4 62.4 65.3 62.5 53.9 42.7 33.4 22.1 CDD: 0 0 2 13 79 257 343 288 131 18 1 0 HDD: 1202 959 714 368 121 14 0 5 80 322 654 1066 Number of Days T090: 0.0 0.0 0.0 0.0 1.0 6.0 8.8 7.4 2.6 0.1 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.1 0.3 0.4 0.0 0.0 0.0 0.0 T000: 3.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 T032: 27.9 23.6 15.9 4.8 0.1 0.0 0.0 0.0 0.2 4.3 14.1 25.0 ------------------------------------------------------------------------------------------ Annual Values High Temp: 63.7 F Mean Temp: 53.0 F Low Temp: 42.3 F Cooling DD: 1132 Heating DD: 5505 Days above 90 (T090): 25.9 Days above 100 (T100): 0.7 Days below 0 (T000): 7.0 Days below 32 (T032): 115.9 ------------------------------------------------------------------------------------------ Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.92 1.93 2.68 3.69 4.35 4.56 3.73 3.14 3.09 3.35 3.98 2.61 Snow: 4.2 4.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.7 Number of Days P001: 5.8 5.6 8.2 9.9 9.9 8.6 7.2 6.7 5.9 7.0 7.4 7.2 P010: 3.7 4.1 6.1 8.0 7.3 7.2 5.8 5.4 4.6 5.6 5.9 4.5 P100: 0.5 0.5 0.6 0.8 1.0 1.4 0.9 0.9 1.2 0.9 1.3 0.7 S001: 2.0 1.5 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.5 S010: 1.6 1.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.8 S100: 0.1 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: 39.03 inches Snowfall: 12.1 inches Days precipitation at or above 0 inches (P000): 89.4 Days precipitation at or above 0.10 inches (P010): 68.2 Days Precipitation at or above 1.00 inches (P100): 10.7 Days Snowfall at or above 0.1 inches (S001): 5.8 Days Snowfall at or above 1.0 inches (S010): 3.9 Days Snowfall at or above 10.0 inches (S100): 0.1 ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ 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