Official 1981-2010 Climate Normals

City: CARTHAGE  
State: IL
ID: 111316
Latitude: 40.4008
Longitude: -91.1278
Elevation:  659.9 ft



Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    1.78   1.83   2.66   3.80   5.05   4.63   4.44   3.97   3.85   3.39   3.19   2.17
Snow:     7.2    5.7    2.3    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.8    5.5

Number of Days
P001:     6.9    5.9    6.5    9.6   10.1    9.8    7.1    7.3    6.3    6.6    6.6    6.6
P010:     4.7    4.2    5.1    8.1    8.2    7.7    5.6    5.8    5.1    5.1    5.3    4.4
P100:     0.5    0.5    0.6    1.2    1.6    1.8    1.1    1.5    1.1    0.8    0.6    0.4
S001:     4.5    2.9    1.2    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.4    3.4
S010:     3.1    2.1    0.8    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.4    2.7
S100:     0.0    0.0    0.1    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:   40.76 inches
     Snowfall:    21.5 inches

   Days precipitation at or above 0 inches (P000):    89.3
Days precipitation at or above 0.10 inches (P010):    69.3
Days Precipitation at or above 1.00 inches (P100):    11.7
      Days Snowfall at or above 0.1 inches (S001):    12.4
      Days Snowfall at or above 1.0 inches (S010):     9.1
     Days Snowfall at or above 10.0 inches (S100):     0.1

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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