Official 1981-2010 Climate Normals
City: PARIS STP
State: IL
ID: 116610
Latitude: 39.6186
Longitude: -87.6672
Elevation: 679.9 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 34.3 39.2 50.7 63.2 73.2 82.4 85.2 83.9 77.8 65.6 52.0 37.9
Mean: 26.2 30.3 40.9 52.7 63.0 72.5 75.5 73.8 66.5 54.8 42.8 30.2
Low: 18.1 21.5 31.1 42.2 52.9 62.7 65.8 63.8 55.2 44.1 33.7 22.6
CDD: 0 0 1 14 76 243 326 279 121 18 1 0
HDD: 1203 970 748 383 137 16 1 4 76 333 665 1077
Number of Days
T090: 0.0 0.0 0.0 0.0 0.3 3.5 6.2 4.3 1.5 0.0 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0
T000: 3.4 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4
T032: 27.3 23.5 17.5 4.7 0.2 0.0 0.0 0.0 0.0 3.0 13.6 24.7
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Annual Values
High Temp: 62.2 F
Mean Temp: 52.6 F
Low Temp: 42.9 F
Cooling DD: 1079
Heating DD: 5614
Days above 90 (T090): 15.8
Days above 100 (T100): 0.1
Days below 0 (T000): 6.4
Days below 32 (T032): 114.6
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Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.39 2.34 2.90 4.11 4.55 4.35 4.43 3.91 3.18 3.38 3.78 3.03
Snow: 8.9 5.9 2.6 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.4 5.5
Number of Days
P001: 9.7 8.5 10.1 11.3 11.4 9.7 8.8 8.1 7.1 8.5 9.6 10.7
P010: 5.4 5.0 6.6 7.9 8.4 7.2 6.5 5.8 4.9 5.5 6.7 6.1
P100: 0.5 0.5 0.3 1.0 0.9 1.1 1.3 1.2 1.0 1.0 0.9 0.5
S001: 4.8 3.2 1.5 0.2 0.0 0.0 0.0 0.0 0.0 0.1 0.4 3.1
S010: 3.0 2.1 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 1.9
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: 42.35 inches
Snowfall: 23.6 inches
Days precipitation at or above 0 inches (P000): 113.5
Days precipitation at or above 0.10 inches (P010): 76.0
Days Precipitation at or above 1.00 inches (P100): 10.2
Days Snowfall at or above 0.1 inches (S001): 13.3
Days Snowfall at or above 1.0 inches (S010): 8.3
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
