Official 1981-2010 Climate Normals City: GALENA State: IL ID: 113312 Latitude: 42.3994 Longitude: -90.3861 Elevation: 752.8 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.17 1.39 2.27 3.53 4.15 5.11 4.28 4.32 3.52 2.73 2.72 1.95 Snow: 10.6 7.1 4.9 1.3 0.2 0.0 0.0 0.0 0.0 0.2 1.9 10.7 Number of Days P001: 8.1 7.0 9.2 10.8 12.5 11.2 9.5 9.7 8.7 8.7 9.4 9.0 P010: 3.6 3.9 5.2 7.1 8.0 8.0 6.5 6.0 5.8 5.2 5.7 4.9 P100: 0.0 0.1 0.2 0.9 1.1 1.4 1.4 1.1 1.0 0.7 0.6 0.3 S001: 6.5 4.9 3.5 0.7 0.0 0.0 0.0 0.0 0.0 0.1 1.9 6.3 S010: 3.5 2.8 1.6 0.4 0.0 0.0 0.0 0.0 0.0 0.1 0.7 3.6 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: 37.14 inches Snowfall: 36.9 inches Days precipitation at or above 0 inches (P000): 113.8 Days precipitation at or above 0.10 inches (P010): 69.9 Days Precipitation at or above 1.00 inches (P100): 8.8 Days Snowfall at or above 0.1 inches (S001): 23.9 Days Snowfall at or above 1.0 inches (S010): 12.7 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