Official 1981-2010 Climate Normals
City: PATOKA
State: IL
ID: 116642
Latitude: 38.7642
Longitude: -89.0564
Elevation: 518.9 ft
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.86 2.82 3.54 3.72 5.39 4.25 3.80 3.13 3.13 3.42 3.78 3.12
Snow: 2.0 2.5 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.8
Number of Days
P001: 6.7 5.6 7.6 7.9 9.4 8.1 7.0 5.4 5.6 7.1 7.2 7.2
P010: 5.4 4.4 5.9 6.7 8.3 6.5 5.8 4.2 4.8 6.0 6.2 5.4
P100: 0.9 0.6 1.3 0.9 1.9 1.6 1.3 0.9 0.7 1.1 0.9 0.6
S001: 1.5 1.7 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4
S010: 1.2 1.1 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0
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: 42.96 inches
Snowfall: 8.0 inches
Days precipitation at or above 0 inches (P000): 84.8
Days precipitation at or above 0.10 inches (P010): 69.6
Days Precipitation at or above 1.00 inches (P100): 12.7
Days Snowfall at or above 0.1 inches (S001): 5.0
Days Snowfall at or above 1.0 inches (S010): 3.7
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
