Official 1981-2010 Climate Normals City: HIDALGO 3SW State: IL ID: 114078 Latitude: 39.1397 Longitude: -88.1906 Elevation: 499.9 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: 38.5 43.4 55.5 67.4 75.6 83.9 87.4 86.2 80.2 69.3 55.0 41.6 Mean: 30.0 34.0 44.6 55.8 64.5 73.2 76.7 75.0 67.9 57.1 45.3 33.1 Low: 21.4 24.5 33.7 44.1 53.3 62.4 66.0 63.7 55.5 44.9 35.6 24.6 CDD: 0 0 3 17 70 248 362 309 129 29 0 0 HDD: 1086 869 636 295 87 4 0 1 44 274 591 988 Number of Days T090: 0.0 0.0 0.0 0.0 0.2 2.6 9.3 8.0 2.0 0.3 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 T000: 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 T032: 25.4 22.0 13.4 3.2 0.0 0.0 0.0 0.0 0.0 1.9 11.5 24.5 ------------------------------------------------------------------------------------------ Annual Values High Temp: 65.4 F Mean Temp: 54.8 F Low Temp: 44.2 F Cooling DD: 1168 Heating DD: 4875 Days above 90 (T090): 22.4 Days above 100 (T100): 0.2 Days below 0 (T000): 1.9 Days below 32 (T032): 101.9 ------------------------------------------------------------------------------------------ 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: 2.92 2.53 3.41 4.15 5.00 4.54 4.54 3.01 3.17 3.75 4.06 3.41 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 44.49 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