Official 1981-2010 Climate Normals
City: FLORA
State: IL
ID: 113106
Latitude: 38.6786
Longitude: -88.4797
Elevation: 499.9 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 38.2 43.6 54.3 67.1 75.7 85.9 88.6 87.4 80.4 68.2 55.1 41.2
Mean: 29.5 33.8 43.5 54.9 64.5 74.1 77.1 75.1 67.8 55.3 44.8 32.5
Low: 20.9 24.0 32.6 42.8 53.3 62.4 65.5 62.8 55.1 42.5 34.5 23.9
CDD: 0 0 2 21 91 282 374 315 137 21 1 0
HDD: 1099 873 669 323 107 8 0 2 55 320 608 1005
Number of Days
T090: 0.0 0.0 0.0 0.0 0.6 8.6 13.2 9.5 3.4 0.3 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.2 0.4 0.2 0.0 0.0 0.0 0.0
T000: 1.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5
T032: 25.9 22.8 15.5 3.8 0.0 0.0 0.0 0.0 0.1 4.1 13.2 24.5
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Annual Values
High Temp: 65.6 F
Mean Temp: 54.5 F
Low Temp: 43.4 F
Cooling DD: 1245
Heating DD: 5070
Days above 90 (T090): 35.6
Days above 100 (T100): 0.7
Days below 0 (T000): 1.8
Days below 32 (T032): 109.8
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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: 3.04 2.64 3.92 4.25 5.22 4.18 4.11 3.14 3.14 3.67 4.13 3.44
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Annual Values
Precipitation: 44.88 inches
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City: FLORA 5 NW
State: IL
ID: 113109
Latitude: 38.7103
Longitude: -88.5758
Elevation: 499.9 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 39.3 44.5 55.8 67.9 76.2 84.7 87.7 86.8 80.3 69.0 55.5 41.8
Mean: 31.0 35.3 45.2 56.2 65.0 73.6 76.8 75.4 68.2 57.2 46.0 33.7
Low: 22.6 26.0 34.7 44.4 53.8 62.6 66.0 63.9 56.0 45.4 36.4 25.6
CDD: 0 0 4 28 97 268 368 323 152 28 2 0
HDD: 1055 833 617 293 97 9 0 2 57 270 574 970
Number of Days
T090: 0.0 0.0 0.0 0.1 0.6 5.5 10.0 9.4 3.0 0.1 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.1 0.3 0.3 0.1 0.0 0.0 0.0
T000: 1.3 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.9
T032: 24.1 19.3 13.0 3.2 0.1 0.0 0.0 0.0 0.2 3.2 11.1 21.6
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Annual Values
High Temp: 65.9 F
Mean Temp: 55.4 F
Low Temp: 44.9 F
Cooling DD: 1270
Heating DD: 4777
Days above 90 (T090): 28.7
Days above 100 (T100): 0.7
Days below 0 (T000): 3.0
Days below 32 (T032): 95.7
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Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 3.08 2.59 3.78 4.01 5.23 4.24 3.92 3.43 3.05 3.64 4.26 3.34
Snow: 2.5 1.6 1.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 2.1
Number of Days
P001: 7.4 6.7 8.4 9.8 10.4 9.0 7.4 6.9 6.4 7.8 8.5 8.2
P010: 5.0 4.9 6.8 7.4 8.2 7.0 5.8 5.1 5.1 6.0 6.8 6.3
P100: 0.7 0.7 0.8 1.1 1.4 1.0 1.0 1.0 0.9 1.1 1.2 0.7
S001: 1.9 1.5 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.2 1.2
S010: 0.9 0.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.5
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: 44.57 inches
Snowfall: 7.8 inches
Days precipitation at or above 0 inches (P000): 96.9
Days precipitation at or above 0.10 inches (P010): 74.4
Days Precipitation at or above 1.00 inches (P100): 11.6
Days Snowfall at or above 0.1 inches (S001): 5.6
Days Snowfall at or above 1.0 inches (S010): 2.4
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
