Official 1981-2010 Climate Normals City: GURNEE PUBLIC WORKS State: IL ID: 113738 Latitude: 42.3656 Longitude: -87.9533 Elevation: 679.9 ft Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 1.80 1.82 2.35 3.59 3.96 3.69 3.79 2.90 3.29 2.85 2.90 2.28 Number of Days P001: 9.2 6.7 8.0 10.9 11.5 11.0 8.6 8.7 8.7 9.2 8.9 8.5 P010: 5.1 3.9 4.6 6.8 7.0 7.2 5.4 5.9 5.2 5.4 5.4 4.4 P100: 0.4 0.1 0.4 0.9 1.0 0.9 1.1 0.9 0.9 0.5 0.8 0.2 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 35.22 inches Days precipitation at or above 0 inches (P000): 109.9 Days precipitation at or above 0.10 inches (P010): 66.3 Days Precipitation at or above 1.00 inches (P100): 8.1 ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ 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