Official 1981-2010 Climate Normals City: FLORA State: IL ID: 113106 Latitude: 38.6786 Longitude: -88.4797 Elevation: 499.9 ft Temperature-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 38.2 43.6 54.3 67.1 75.7 85.9 88.6 87.4 80.4 68.2 55.1 41.2 Mean: 29.5 33.8 43.5 54.9 64.5 74.1 77.1 75.1 67.8 55.3 44.8 32.5 Low: 20.9 24.0 32.6 42.8 53.3 62.4 65.5 62.8 55.1 42.5 34.5 23.9 CDD: 0 0 2 21 91 282 374 315 137 21 1 0 HDD: 1099 873 669 323 107 8 0 2 55 320 608 1005 Number of Days T090: 0.0 0.0 0.0 0.0 0.6 8.6 13.2 9.5 3.4 0.3 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.2 0.4 0.2 0.0 0.0 0.0 0.0 T000: 1.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 T032: 25.9 22.8 15.5 3.8 0.0 0.0 0.0 0.0 0.1 4.1 13.2 24.5 ------------------------------------------------------------------------------------------ Annual Values High Temp: 65.6 F Mean Temp: 54.5 F Low Temp: 43.4 F Cooling DD: 1245 Heating DD: 5070 Days above 90 (T090): 35.6 Days above 100 (T100): 0.7 Days below 0 (T000): 1.8 Days below 32 (T032): 109.8 ------------------------------------------------------------------------------------------ Precipitation-Related Pseudonormals For stations with short records, linear combinations of normals from nearby sites were used to compute so-called pseudonormals. Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 3.04 2.64 3.92 4.25 5.22 4.18 4.11 3.14 3.14 3.67 4.13 3.44 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 44.88 inches ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ 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