Prairie City Climate Normals

Official 1981-2010 Climate Normals

City: PRAIRIE CITY 2S
State: IL
ID: 116970
Latitude: 40.5914
Longitude: -90.4642
Elevation:  649.8 ft

Temperature-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
High:    33.6   38.6   50.6   64.1   73.6   83.0   86.5   84.9   77.8   66.2   52.2   37.1
Mean:    24.4   28.7   39.6   52.5   62.6   72.2   75.6   73.9   66.1   54.5   41.6   28.4
 Low:    15.2   18.7   28.6   40.8   51.5   61.4   64.6   62.8   54.3   42.8   31.0   19.6
 CDD:       0      0      0     10     59    229    328    280    102     18      0      0
 HDD:    1258   1017    788    387    134     13      1      6     71    344    702   1136

Number of Days
T090:     0.0    0.0    0.0    0.0    0.4    4.3    9.3    6.5    1.5    0.3    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.1    0.3    0.1    0.0    0.0    0.0    0.0
T000:     4.0    1.1    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    1.3
T032:    29.0   25.1   21.4    5.2    0.0    0.0    0.0    0.0    0.0    3.0   17.4   27.8
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Annual Values

 High Temp:    62.5 F
 Mean Temp:    51.7 F
  Low Temp:    41.0 F
Cooling DD:    1025
Heating DD:    5856

Days above  90 (T090):    22.2
Days above 100 (T100):     0.5
Days below   0 (T000):     6.4
Days below  32 (T032):   128.9
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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:    1.73   1.77   2.74   3.59   4.51   4.49   4.37   3.86   3.50   3.02   2.81   2.18
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Annual Values

Precipitation:   38.57 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