Official 1981-2010 Climate Normals
City: GREENFIELD
State: IL
ID: 113666
Latitude: 39.3425
Longitude: -90.2056
Elevation: 547.8 ft
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.14 2.16 3.12 4.02 4.56 4.27 3.63 3.06 3.14 3.20 3.89 3.00
Snow: 4.9 4.2 2.6 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 4.5
Number of Days
P001: 7.3 6.9 10.3 10.7 11.1 9.2 8.4 7.5 7.1 8.7 9.1 8.8
P010: 4.2 4.7 7.3 7.3 7.9 6.7 6.0 5.5 4.9 5.6 6.6 5.6
P100: 0.4 0.5 0.3 1.0 1.1 1.0 0.9 0.8 1.1 0.7 1.0 0.8
S001: 3.3 2.2 1.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.4
S010: 1.6 1.4 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.6
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: 40.19 inches
Snowfall: 17.1 inches
Days precipitation at or above 0 inches (P000): 105.1
Days precipitation at or above 0.10 inches (P010): 72.3
Days Precipitation at or above 1.00 inches (P100): 9.6
Days Snowfall at or above 0.1 inches (S001): 9.7
Days Snowfall at or above 1.0 inches (S010): 5.8
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
