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