Morrisonville Climate Normals

Official 1981-2010 Climate Normals

City: MORRISONVILLE  
State: IL
ID: 115841
Latitude: 39.4158
Longitude: -89.4614
Elevation:  629.8 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    34.4   39.6   51.1   64.2   74.0   82.9   85.9   84.9   79.5   67.0   52.5   38.3
Mean:    26.2   30.7   41.2   52.9   63.2   72.4   75.3   73.8   66.9   54.7   42.8   30.1
 Low:    18.0   21.7   31.3   41.6   52.4   61.9   64.8   62.7   54.2   42.5   33.0   22.0
 CDD:       0      0      2     14     79    238    322    278    131     18      0      0
 HDD:    1203    962    739    377    135     16      1      5     75    336    668   1080

Number of Days
T090:     0.0    0.0    0.0    0.0    0.6    3.9    6.8    6.2    2.7    0.1    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.2    0.0    0.0    0.0    0.0
T000:     2.7    1.6    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    1.5
T032:    27.5   23.4   17.5    4.4    0.0    0.0    0.0    0.0    0.2    4.5   14.6   25.5
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Annual Values

 High Temp:    63.0 F
 Mean Temp:    52.6 F
  Low Temp:    42.3 F
Cooling DD:    1082
Heating DD:    5597

Days above  90 (T090):    20.4
Days above 100 (T100):     0.2
Days below   0 (T000):     5.8
Days below  32 (T032):   117.7
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Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.01   1.94   2.64   3.48   4.35   3.75   3.60   3.03   3.29   2.97   3.69   2.63
Snow:     5.7    4.8    2.7    0.1    0.0    0.0    0.0    0.0    0.0    0.1    0.6    5.0

Number of Days
P001:     7.2    6.9    9.1   10.2   10.5    9.0    7.7    7.4    6.1    8.4    8.8    8.2
P010:     4.0    4.4    6.1    6.8    7.6    6.2    5.6    5.1    4.5    5.7    6.3    4.9
P100:     0.4    0.4    0.4    0.6    1.2    1.0    1.0    0.8    1.0    0.8    0.9    0.7
S001:     2.4    2.1    1.0    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.3    2.1
S010:     2.3    1.7    0.9    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.3    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:   37.38 inches
     Snowfall:    19.0 inches

   Days precipitation at or above 0 inches (P000):    99.5
Days precipitation at or above 0.10 inches (P010):    67.2
Days Precipitation at or above 1.00 inches (P100):     9.2
      Days Snowfall at or above 0.1 inches (S001):     8.0
      Days Snowfall at or above 1.0 inches (S010):     7.2
     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