Official 1981-2010 Climate Normals City: PEORIA GTR PEORIA State: IL ID: 014842 Latitude: 40.6675 Longitude: -89.6839 Elevation: 649.8 ft Temperature-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 32.8 37.7 50.3 63.0 73.2 82.2 85.6 83.8 77.0 64.5 50.3 36.1 Mean: 24.9 29.5 40.6 52.3 62.4 71.8 75.5 73.8 66.1 54.0 41.6 28.6 Low: 17.0 21.2 31.0 41.7 51.6 61.4 65.5 63.7 55.2 43.5 32.9 21.0 CDD: 0 0 1 13 67 222 328 276 117 15 0 0 HDD: 1243 995 756 393 148 18 1 5 84 356 702 1130 Number of Days T090: 0.0 0.0 0.0 0.0 0.5 3.8 7.2 5.5 1.6 0.1 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.3 0.0 0.0 0.0 0.0 T000: 3.7 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.9 T032: 28.1 23.4 17.0 4.0 0.2 0.0 0.0 0.0 0.1 3.4 14.0 25.7 ------------------------------------------------------------------------------------------ Annual Values High Temp: 61.5 F Mean Temp: 51.9 F Low Temp: 42.2 F Cooling DD: 1040 Heating DD: 5831 Days above 90 (T090): 18.7 Days above 100 (T100): 0.6 Days below 0 (T000): 7.2 Days below 32 (T032): 115.9 ------------------------------------------------------------------------------------------ Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.78 1.79 2.80 3.63 4.33 3.53 3.85 3.24 3.15 2.84 3.13 2.42 Snow: 6.9 6.2 2.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 1.1 7.1 Number of Days P001: 9.2 8.4 10.4 11.4 11.8 10.1 9.1 9.1 8.1 9.2 9.6 10.1 P010: 4.1 4.0 5.9 7.2 7.8 6.4 5.9 6.0 5.2 6.0 5.8 5.3 P100: 0.4 0.3 0.5 0.7 1.2 0.9 1.2 0.8 0.8 0.5 0.7 0.5 S001: 5.8 4.7 2.0 0.5 0.0 0.0 0.0 0.0 0.0 0.1 1.3 5.5 S010: 2.4 1.9 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.0 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: 36.49 inches Snowfall: 24.6 inches Days precipitation at or above 0 inches (P000): 116.5 Days precipitation at or above 0.10 inches (P010): 69.6 Days Precipitation at or above 1.00 inches (P100): 8.5 Days Snowfall at or above 0.1 inches (S001): 19.9 Days Snowfall at or above 1.0 inches (S010): 7.6 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