Official 1981-2010 Climate Normals
City: NASHVILLE 1 E
State: IL
ID: 116011
Latitude: 38.3431
Longitude: -89.3586
Elevation: 513.0 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 38.2 43.0 54.1 65.5 74.7 83.7 86.9 86.1 79.0 68.1 54.3 41.4
Mean: 29.9 34.0 44.5 55.5 65.1 74.0 77.3 76.0 68.4 57.5 45.1 33.5
Low: 21.7 25.0 34.9 45.6 55.4 64.3 67.7 65.8 57.7 47.0 35.8 25.5
CDD: 0 0 2 19 96 277 382 341 153 30 1 0
HDD: 1086 868 637 303 95 8 1 2 52 261 600 978
Number of Days
T090: 0.0 0.0 0.0 0.0 0.3 4.3 8.6 7.4 1.8 0.1 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.0 0.0 0.0 0.0
T000: 1.2 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8
T032: 25.8 21.3 12.2 2.3 0.0 0.0 0.0 0.0 0.0 1.8 11.1 22.8
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Annual Values
High Temp: 64.7 F
Mean Temp: 55.2 F
Low Temp: 45.6 F
Cooling DD: 1302
Heating DD: 4890
Days above 90 (T090): 22.5
Days above 100 (T100): 0.5
Days below 0 (T000): 2.6
Days below 32 (T032): 97.2
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Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.31 2.27 3.33 3.68 4.77 3.91 3.93 2.64 3.27 3.44 3.70 2.87
Snow: 4.2 4.3 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.3 3.4
Number of Days
P001: 7.4 7.3 9.8 9.8 10.6 9.0 7.9 7.1 6.7 8.2 8.9 8.6
P010: 4.4 4.6 6.5 6.9 7.5 6.4 5.5 4.7 4.5 5.8 6.4 5.6
P100: 0.5 0.4 0.9 0.9 1.3 1.0 1.4 0.6 1.0 0.9 0.9 0.6
S001: 2.7 2.6 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.2 2.0
S010: 1.3 1.4 0.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.2
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: 40.12 inches
Snowfall: 13.3 inches
Days precipitation at or above 0 inches (P000): 101.3
Days precipitation at or above 0.10 inches (P010): 68.8
Days Precipitation at or above 1.00 inches (P100): 10.4
Days Snowfall at or above 0.1 inches (S001): 8.5
Days Snowfall at or above 1.0 inches (S010): 4.3
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
