Gibson City Climate Normals

Official 1981-2010 Climate Normals

City: GIBSON CITY 
State: IL
ID: 113413
Latitude: 40.4731
Longitude: -88.3653
Elevation:  749.8 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    31.4   36.3   48.1   61.5   72.4   81.5   83.9   82.5   76.9   63.7   49.3   35.0
Mean:    24.5   29.0   39.5   50.5   61.4   70.7   73.6   71.6   65.0   52.5   41.1   28.0
 Low:    17.6   21.7   30.8   39.4   50.5   59.9   63.3   60.7   53.0   41.3   33.0   21.0
 CDD:       0      0      1      9     61    199    270    217    100     11      0      0
 HDD:    1255   1008    793    445    171     29      3     13    102    398    716   1147

Number of Days
T090:     0.0    0.0    0.0    0.0    0.7    4.0    4.9    3.9    1.3    0.0    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:     3.4    1.8    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    2.3
T032:    27.1   22.5   17.9    6.0    0.2    0.0    0.0    0.0    0.1    5.5   14.3   25.5
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Annual Values

 High Temp:    60.3 F
 Mean Temp:    50.7 F
  Low Temp:    41.1 F
Cooling DD:     869
Heating DD:    6080

Days above  90 (T090):    14.7
Days above 100 (T100):     0.3
Days below   0 (T000):     7.5
Days below  32 (T032):   119.1
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Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    1.75   1.71   2.51   3.47   4.22   4.09   3.81   3.83   2.69   3.06   3.16   2.42
Snow:     6.0    4.9    1.6    0.8    0.0    0.0    0.0    0.0    0.0    0.1    0.9    5.7

Number of Days
P001:     8.0    7.5    9.9   11.0   11.1   10.1    8.7    8.9    7.1    9.4   10.3    9.5
P010:     3.7    3.9    5.8    7.2    7.7    6.6    6.5    6.0    4.7    5.6    6.5    5.3
P100:     0.2    0.3    0.3    0.8    0.9    0.8    1.3    1.2    0.6    0.9    0.7    0.5
S001:     4.2    3.6    1.6    0.3    0.0    0.0    0.0    0.0    0.0    0.1    0.9    3.3
S010:     2.3    2.1    0.7    0.2    0.0    0.0    0.0    0.0    0.0    0.1    0.4    2.0
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:   36.72 inches
     Snowfall:    20.0 inches

   Days precipitation at or above 0 inches (P000):   111.5
Days precipitation at or above 0.10 inches (P010):    69.5
Days Precipitation at or above 1.00 inches (P100):     8.5
      Days Snowfall at or above 0.1 inches (S001):    14.0
      Days Snowfall at or above 1.0 inches (S010):     7.8
     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