Pittsfield Climate Normals

Official 1981-2010 Climate Normals

City: PITTSFIELD #2 
State: IL
ID: 116837
Latitude: 39.6222
Longitude: -90.8058
Elevation:  669.8 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    35.3   40.5   51.9   64.1   74.0   83.0   86.6   85.7   78.8   66.5   53.0   38.8
Mean:    26.5   31.4   41.5   53.1   63.2   72.3   76.2   74.5   66.5   54.6   43.3   30.2
 Low:    17.7   22.4   31.1   42.1   52.3   61.6   65.9   63.3   54.2   42.7   33.6   21.6
 CDD:       0      0      2     17     78    235    350    298    120     20      1      0
 HDD:    1193    939    730    374    135     16      2      4     75    342    652   1078

Number of Days
T090:     0.0    0.0    0.0    0.1    0.8    5.3    9.1    7.3    2.1    0.1    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.1    0.4    0.3    0.0    0.0    0.0    0.0
T000:     3.0    0.7    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    1.2
T032:    27.5   22.9   17.7    4.4    0.1    0.0    0.0    0.0    0.0    4.3   13.5   26.0
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Annual Values

 High Temp:    63.3 F
 Mean Temp:    52.9 F
  Low Temp:    42.5 F
Cooling DD:    1120
Heating DD:    5541

Days above  90 (T090):    24.7
Days above 100 (T100):     0.8
Days below   0 (T000):     5.0
Days below  32 (T032):   116.4
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Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    1.85   2.34   3.01   4.04   4.67   4.43   4.09   4.00   3.99   3.09   3.54   2.41

Number of Days
P001:     5.9    5.7    8.2   10.4   11.3   10.3    8.3    7.5    8.0    7.9    7.5    6.2
P010:     4.1    4.3    6.3    7.5    7.7    7.3    5.5    5.4    5.4    5.8    5.9    4.4
P100:     0.5    0.6    0.4    1.2    1.2    1.5    1.3    1.4    1.1    0.7    0.7    0.4
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Annual Values

Precipitation:   41.46 inches

   Days precipitation at or above 0 inches (P000):    97.2
Days precipitation at or above 0.10 inches (P010):    69.6
Days Precipitation at or above 1.00 inches (P100):    11.0

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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