Official 1981-2010 Climate Normals City: NEOGA 4NW State: IL ID: 116025 Latitude: 39.3536 Longitude: -88.5000 Elevation: 624.8 ft Temperature-Related Pseudonormals For stations with short records, linear combinations of normals from nearby sites were used to compute so-called pseudonormals. Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 36.3 41.2 52.3 64.8 74.6 83.8 87.2 86.2 80.1 68.1 54.5 40.0 Mean: 27.3 31.7 41.6 53.2 63.6 73.1 76.2 74.4 66.6 55.1 44.0 31.6 Low: 18.3 22.2 30.8 41.6 52.5 62.3 65.2 62.5 53.0 42.1 33.5 23.1 CDD: 0 0 1 11 62 248 347 292 110 23 0 0 HDD: 1168 932 728 365 107 7 0 3 64 330 630 1036 Number of Days T090: 0.0 0.0 0.0 0.0 0.6 3.5 7.4 8.1 1.8 0.2 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T000: 2.5 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 T032: 27.3 23.9 19.3 3.4 0.0 0.0 0.0 0.0 0.0 3.7 13.9 26.5 ------------------------------------------------------------------------------------------ Annual Values High Temp: 64.2 F Mean Temp: 53.3 F Low Temp: 42.4 F Cooling DD: 1094 Heating DD: 5371 Days above 90 (T090): 21.6 Days above 100 (T100): 0.0 Days below 0 (T000): 3.2 Days below 32 (T032): 118.1 ------------------------------------------------------------------------------------------ Precipitation-Related Pseudonormals For stations with short records, linear combinations of normals from nearby sites were used to compute so-called pseudonormals. Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 2.48 2.26 3.10 3.95 4.50 4.66 5.42 3.08 2.94 3.51 3.99 3.04 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 42.93 inches ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ 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