Official 1981-2010 Climate Normals City: GENOA 2 SW State: IL ID: 113392 Latitude: 42.0744 Longitude: -88.7075 Elevation: 849.8 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.45 1.62 2.25 3.31 4.88 4.47 3.77 5.38 3.29 2.82 2.46 1.97 Number of Days P001: 9.3 8.4 10.8 10.9 12.2 11.6 9.3 9.6 8.3 8.7 9.7 10.8 P010: 4.5 4.4 5.9 7.3 7.7 8.0 6.3 6.4 4.8 5.7 4.3 5.8 P100: 0.0 0.1 0.4 0.8 1.5 1.5 1.0 1.3 1.0 0.5 0.2 0.3 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 37.67 inches Days precipitation at or above 0 inches (P000): 119.6 Days precipitation at or above 0.10 inches (P010): 71.1 Days Precipitation at or above 1.00 inches (P100): 8.6 ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ 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