Official 1981-2010 Climate Normals
City: CARLINVILLE
State: IL
ID: 111280
Latitude: 39.2883
Longitude: -89.8703
Elevation: 620.9 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 35.9 41.1 52.5 65.2 74.4 82.9 86.4 85.4 78.8 67.0 53.2 39.2
Mean: 27.2 31.6 42.1 54.0 63.5 72.5 76.0 74.4 66.7 55.4 43.4 31.0
Low: 18.6 22.2 31.8 42.8 52.7 62.0 65.5 63.4 54.7 43.7 33.5 22.7
CDD: 0 0 2 16 78 238 341 296 128 19 1 0
HDD: 1170 934 710 346 123 14 1 5 75 318 651 1055
Number of Days
T090: 0.0 0.0 0.0 0.0 0.3 3.8 8.6 7.5 2.4 0.0 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.4 0.0 0.0 0.0 0.0
T000: 2.4 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4
T032: 27.4 23.2 16.4 3.9 0.1 0.0 0.0 0.0 0.2 3.6 14.1 24.3
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Annual Values
High Temp: 63.6 F
Mean Temp: 53.2 F
Low Temp: 42.9 F
Cooling DD: 1118
Heating DD: 5403
Days above 90 (T090): 22.8
Days above 100 (T100): 0.7
Days below 0 (T000): 5.1
Days below 32 (T032): 113.3
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Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.11 2.08 2.90 3.92 4.36 3.92 3.74 3.10 3.13 3.32 3.74 2.74
Snow: 5.4 4.5 2.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.7 3.6
Number of Days
P001: 8.3 7.4 10.1 11.5 11.1 9.8 8.9 8.3 7.7 9.4 9.5 8.8
P010: 4.5 4.6 6.7 7.4 7.2 6.7 5.9 5.3 5.0 6.0 6.2 5.3
P100: 0.4 0.4 0.5 0.8 1.1 0.8 1.3 0.7 1.0 0.8 0.9 0.7
S001: 3.7 2.2 1.3 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.2
S010: 1.8 1.2 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.4
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: 39.06 inches
Snowfall: 16.4 inches
Days precipitation at or above 0 inches (P000): 110.8
Days precipitation at or above 0.10 inches (P010): 70.8
Days Precipitation at or above 1.00 inches (P100): 9.4
Days Snowfall at or above 0.1 inches (S001): 10.0
Days Snowfall at or above 1.0 inches (S010): 5.7
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
