Official 1981-2010 Climate Normals
City: NORMAL 4NE
State: IL
ID: 116200
Latitude: 40.5492
Longitude: -88.9497
Elevation: 799.7 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 32.9 37.6 49.4 62.3 73.1 82.8 85.4 84.0 77.7 65.0 50.2 36.3
Mean: 23.9 27.9 38.2 50.0 61.1 71.4 74.4 72.5 65.1 53.1 40.5 27.8
Low: 14.8 18.3 27.1 37.8 49.1 59.9 63.3 61.0 52.5 41.2 30.8 19.2
CDD: 0 0 1 9 62 213 292 242 105 14 0 0
HDD: 1275 1037 830 458 183 23 3 10 102 383 735 1155
Number of Days
T090: 0.0 0.0 0.0 0.0 0.7 4.6 6.9 5.6 2.0 0.0 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 0.0 0.0 0.0 0.0
T000: 4.7 2.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.4
T032: 28.8 25.0 22.1 8.6 0.7 0.0 0.0 0.0 0.3 5.8 17.1 26.9
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Annual Values
High Temp: 61.5 F
Mean Temp: 50.6 F
Low Temp: 39.7 F
Cooling DD: 939
Heating DD: 6193
Days above 90 (T090): 19.7
Days above 100 (T100): 0.3
Days below 0 (T000): 10.0
Days below 32 (T032): 135.3
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Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.13 1.93 2.71 3.67 4.64 3.91 4.16 3.80 3.14 3.28 3.27 2.70
Snow: 7.1 5.1 1.5 0.7 0.0 0.0 0.0 0.0 0.0 0.1 0.3 5.1
Number of Days
P001: 9.0 8.3 10.3 11.5 11.9 10.5 9.1 9.4 8.3 9.5 9.8 10.2
P010: 5.0 4.7 6.0 7.6 8.0 7.0 6.2 6.4 4.9 6.2 6.1 6.1
P100: 0.3 0.3 0.4 0.7 1.1 1.1 1.3 1.1 0.8 0.6 0.9 0.4
S001: 4.7 3.7 1.6 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.5 3.8
S010: 2.4 2.2 0.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2.1
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
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Annual Values
Precipitation: 39.34 inches
Snowfall: 19.9 inches
Days precipitation at or above 0 inches (P000): 117.8
Days precipitation at or above 0.10 inches (P010): 74.2
Days Precipitation at or above 1.00 inches (P100): 9.0
Days Snowfall at or above 0.1 inches (S001): 14.6
Days Snowfall at or above 1.0 inches (S010): 7.7
Days Snowfall at or above 10.0 inches (S100): 0.0
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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
