Bloomington Climate Normals

Official 1981-2010 Climate Normals

City: BLOOMINGTON WATERWORKS 
State: IL
ID: 110761
Latitude: 40.4961
Longitude: -88.9994
Elevation:  774.7 ft

Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    1.96   1.93   2.79   3.72   4.36   4.09   3.99   3.84   3.10   3.19   3.38   3.22

Number of Days
P001:     6.2    5.8    8.2   10.0   10.0    8.9    7.8    7.4    7.0    8.1    8.8    8.3
P010:     3.7    3.7    5.3    7.3    7.6    6.7    5.8    5.7    4.8    5.9    5.9    5.8
P100:     0.4    0.3    0.6    0.7    1.2    1.1    1.0    1.1    0.8    0.6    0.7    0.8
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Annual Values

Precipitation:   39.57 inches

   Days precipitation at or above 0 inches (P000):    96.5
Days precipitation at or above 0.10 inches (P010):    68.2
Days Precipitation at or above 1.00 inches (P100):     9.3

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City: BLOOMINGTON 5W 
State: IL
ID: 110764
Latitude: 40.4864
Longitude: -89.0864
Elevation:  779.7 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    32.9   38.8   51.7   64.4   75.1   83.2   86.6   84.9   78.8   65.2   49.9   36.2
Mean:    24.1   29.3   40.4   51.9   62.3   71.0   74.8   72.9   65.9   53.6   40.7   27.6
 Low:    15.2   19.8   29.0   39.5   49.5   58.8   63.0   60.8   53.0   42.0   31.5   19.1
 CDD:       0      0      0     11     65    200    305    250    107     16      0      0
 HDD:    1269    999    764    403    148     20      1      7     80    369    729   1157

Number of Days
T090:     0.0    0.0    0.0    0.0    1.2    4.7    8.9    6.3    2.7    0.2    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.0    0.1    0.2    0.0    0.0    0.0    0.0
T000:     3.5    1.2    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    1.9
T032:    29.3   25.0   20.4    6.4    0.3    0.0    0.0    0.0    0.0    3.8   15.8   27.3
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Annual Values

 High Temp:    62.4 F
 Mean Temp:    51.3 F
  Low Temp:    40.2 F
Cooling DD:     954
Heating DD:    5948

Days above  90 (T090):    23.9
Days above 100 (T100):     0.3
Days below   0 (T000):     6.6
Days below  32 (T032):   128.2
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Precipitation-Related Pseudonormals

For stations with short records, linear combinations of normals from nearby sites were used
to compute so-called pseudonormals.

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.05   1.97   2.74   3.70   4.39   3.92   4.14   4.28   3.16   3.14   3.25   2.50
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Annual Values

Precipitation:   39.24 inches

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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