Casey Climate Normals

Official 1981-2010 Climate Normals

City: CASEY  
State: IL
ID: 111329
Latitude: 39.2975
Longitude: -87.9747
Elevation:  619.9 ft

Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.78   2.51   3.22   4.37   4.63   4.42   4.15   3.46   2.92   3.71   4.01   3.22
Snow:     4.9    2.1    1.5    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.1    4.3

Number of Days
P001:     8.1    7.6    9.2   11.2   11.9   10.2    8.4    7.2    6.7    8.4    8.5    9.2
P010:     5.2    4.7    6.4    7.6    8.5    7.3    6.2    5.2    4.5    5.4    6.3    6.4
P100:     0.7    0.7    0.6    1.1    1.3    1.3    1.3    1.1    0.8    1.0    0.8    0.8
S001:     3.3    1.7    0.8    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.1    2.2
S010:     2.4    1.2    0.7    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.1    1.4
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:   43.40 inches
     Snowfall:    12.9 inches

   Days precipitation at or above 0 inches (P000):   106.6
Days precipitation at or above 0.10 inches (P010):    73.7
Days Precipitation at or above 1.00 inches (P100):    11.5
      Days Snowfall at or above 0.1 inches (S001):     8.1
      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