Belvidere Climate Normals

Official 1981-2010 Climate Normals

City: BELVIDERE  
State: IL
ID: 110583
Latitude: 42.2550
Longitude: -88.8644
Elevation:  737.7 ft

Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    1.44   1.46   2.16   3.46   3.88   5.35   3.98   5.05   3.62   3.00   2.73   2.16
Snow:    11.1    8.4    3.3    0.2    0.0    0.0    0.0    0.0    0.0    0.0    0.6   12.5

Number of Days
P001:     9.5    9.1   10.4   11.4   12.7   12.2    8.5   10.0    7.9    9.9    8.3   10.1
P010:     4.8    4.8    5.1    7.3    7.8    8.8    6.0    6.6    5.1    5.9    4.2    5.7
P100:     0.1    0.1    0.4    0.9    1.0    1.5    0.9    1.5    1.0    0.5    0.2    0.2
S001:     6.5    5.3    2.9    0.5    0.0    0.0    0.0    0.0    0.0    0.0    0.7    7.5
S010:     3.7    2.7    1.5    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.4    4.6
S100:     0.1    0.1    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:   38.29 inches
     Snowfall:    36.1 inches

   Days precipitation at or above 0 inches (P000):   120.0
Days precipitation at or above 0.10 inches (P010):    72.1
Days Precipitation at or above 1.00 inches (P100):     8.3
      Days Snowfall at or above 0.1 inches (S001):    23.4
      Days Snowfall at or above 1.0 inches (S010):    13.0
     Days Snowfall at or above 10.0 inches (S100):     0.2

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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