Official 1981-2010 Climate Normals
City: CLAY CITY 6SSE
State: IL
ID: 111700
Latitude: 38.6058
Longitude: -88.3117
Elevation: 459.9 ft
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.68 2.70 3.87 4.16 5.22 4.01 3.95 3.29 3.05 3.74 4.15 3.46
Snow: 3.7 3.0 1.1 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.6 3.6
Number of Days
P001: 6.9 7.1 8.9 9.7 10.3 8.5 7.0 6.4 6.2 6.7 8.4 9.1
P010: 5.0 5.3 6.9 7.8 8.4 6.7 5.6 5.1 5.2 5.5 7.0 6.9
P100: 0.5 0.8 0.9 0.8 1.5 1.1 1.3 0.9 0.9 1.1 1.2 0.7
S001: 1.9 1.5 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.6
S010: 1.7 1.1 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.2
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: 44.28 inches
Snowfall: 12.2 inches
Days precipitation at or above 0 inches (P000): 95.2
Days precipitation at or above 0.10 inches (P010): 75.4
Days Precipitation at or above 1.00 inches (P100): 11.7
Days Snowfall at or above 0.1 inches (S001): 5.7
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
