Official 1981-2010 Climate Normals
City: GREENVILLE
State: IL
ID: 113693
Latitude: 38.8664
Longitude: -89.4050
Elevation: 540.9 ft
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.29 2.27 3.23 3.63 4.74 3.70 3.91 2.79 2.82 3.50 3.97 2.68
Snow: 4.4 4.8 1.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.6
Number of Days
P001: 5.8 5.8 7.8 8.6 9.0 7.8 6.9 6.2 5.3 7.0 8.5 6.4
P010: 4.1 3.9 6.0 6.9 7.1 6.5 5.9 5.0 4.1 5.6 7.0 4.9
P100: 0.7 0.6 0.6 0.8 1.2 1.0 1.1 0.7 0.9 1.0 0.9 0.8
S001: 1.8 1.7 0.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.3
S010: 1.2 1.5 0.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.9
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: 39.53 inches
Snowfall: 13.8 inches
Days precipitation at or above 0 inches (P000): 85.1
Days precipitation at or above 0.10 inches (P010): 67.0
Days Precipitation at or above 1.00 inches (P100): 10.3
Days Snowfall at or above 0.1 inches (S001): 5.9
Days Snowfall at or above 1.0 inches (S010): 4.5
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
