Official 1981-2010 Climate Normals City: GOLDEN State: IL ID: 113530 Latitude: 40.1064 Longitude: -91.0222 Elevation: 717.7 ft Temperature-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 33.4 38.3 50.4 63.1 73.3 82.5 86.1 85.2 78.0 65.6 50.9 36.8 Mean: 24.7 28.8 39.9 51.9 62.3 71.8 75.4 74.0 65.6 53.9 41.2 28.4 Low: 15.9 19.3 29.4 40.6 51.4 61.1 64.8 62.8 53.3 42.3 31.5 20.0 CDD: 0 0 0 12 63 221 325 285 116 15 1 0 HDD: 1251 1013 779 406 146 17 1 6 97 358 715 1134 Number of Days T090: 0.0 0.0 0.0 0.0 0.4 3.6 7.8 7.9 2.3 0.1 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.6 0.0 0.0 0.0 0.0 T000: 3.9 2.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.5 T032: 29.0 24.5 20.5 5.2 0.2 0.0 0.0 0.0 0.1 4.8 15.5 26.6 ------------------------------------------------------------------------------------------ Annual Values High Temp: 62.1 F Mean Temp: 51.6 F Low Temp: 41.1 F Cooling DD: 1039 Heating DD: 5922 Days above 90 (T090): 22.1 Days above 100 (T100): 0.9 Days below 0 (T000): 9.2 Days below 32 (T032): 126.4 ------------------------------------------------------------------------------------------ Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.66 1.79 2.53 3.84 5.03 4.84 4.24 3.86 3.45 3.17 2.90 2.35 Snow: 4.4 3.7 1.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.8 3.8 Number of Days P001: 4.5 4.9 7.1 8.8 9.8 8.2 7.6 6.8 6.0 7.2 7.3 5.7 P010: 3.6 4.0 5.8 7.5 8.1 7.1 6.4 5.8 5.2 6.1 6.2 4.0 P100: 0.4 0.5 0.5 0.7 1.4 1.4 1.5 1.1 0.9 0.8 0.7 0.5 S001: 2.6 2.0 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.2 S010: 1.8 1.5 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.6 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: 39.66 inches Snowfall: 14.1 inches Days precipitation at or above 0 inches (P000): 83.9 Days precipitation at or above 0.10 inches (P010): 69.8 Days Precipitation at or above 1.00 inches (P100): 10.4 Days Snowfall at or above 0.1 inches (S001): 8.0 Days Snowfall at or above 1.0 inches (S010): 5.8 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