Benton Climate Normals

Official 1981-2010 Climate Normals

City: BENTON 2 N
State: IL
ID: 110608
Latitude: 38.0336
Longitude: -88.9203
Elevation:  444.8 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    40.7   44.9   55.9   67.5   76.4   85.0   88.9   88.5   80.7   68.7   56.6   42.5
Mean:    32.9   36.2   46.0   56.4   65.4   74.3   78.2   77.1   68.8   57.2   47.0   34.5
 Low:    25.0   27.4   36.1   45.3   54.4   63.7   67.5   65.6   57.0   45.7   37.5   26.4
 CDD:       0      0      4     28    102    287    409    375    166     26      4      0
 HDD:     997    808    593    286     90      7      0      1     50    268    543    947

Number of Days
T090:     0.0    0.0    0.0    0.0    1.1    6.9   13.7   13.0    3.6    0.0    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.1    0.5    0.6    0.1    0.0    0.0    0.0
T000:     0.4    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.5
T032:    23.4   19.2   11.1    2.1    0.0    0.0    0.0    0.0    0.0    1.9    9.2   21.9
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Annual Values

 High Temp:    66.5 F
 Mean Temp:    56.3 F
  Low Temp:    46.0 F
Cooling DD:    1402
Heating DD:    4590

Days above  90 (T090):    38.4
Days above 100 (T100):     1.2
Days below   0 (T000):     1.0
Days below  32 (T032):    88.7
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Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.77   2.86   3.75   4.42   5.34   4.53   3.28   2.84   3.05   3.89   4.43   3.44
Snow:     1.8    1.6    0.6    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    1.2

Number of Days
P001:     5.6    6.1    8.2    8.0    8.9    7.2    5.4    5.6    4.7    6.7    6.8    5.9
P010:     4.1    4.4    6.1    6.4    7.2    5.8    4.3    4.4    3.8    5.1    5.7    4.9
P100:     0.7    1.0    1.1    1.3    1.5    1.3    1.1    0.9    1.1    1.2    1.1    0.9
S001:     0.8    0.7    0.3    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.2
S010:     0.5    0.6    0.3    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.2
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:   44.60 inches
     Snowfall:     5.2 inches

   Days precipitation at or above 0 inches (P000):    79.1
Days precipitation at or above 0.10 inches (P010):    62.2
Days Precipitation at or above 1.00 inches (P100):    13.2
      Days Snowfall at or above 0.1 inches (S001):     2.0
      Days Snowfall at or above 1.0 inches (S010):     1.6
     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