Official 1981-2010 Climate Normals

City: MONTICELLO 3N 
State: IL
ID: 115792
Latitude: 40.0817
Longitude: -88.5550
Elevation:  669.8 ft



Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    2.10   2.05   2.55   3.74   4.88   3.96   4.12   3.56   2.76   3.11   3.53   2.65
Snow:     6.0    5.2    2.7    0.3    0.0    0.0    0.0    0.0    0.0    0.0    0.6    4.7

Number of Days
P001:     8.2    6.8    9.8   11.7   11.6    9.4    8.7    8.1    6.9    7.6    9.4    9.4
P010:     4.7    4.3    6.0    7.9    8.4    6.4    6.0    5.5    4.6    5.5    6.6    5.4
P100:     0.4    0.5    0.2    0.8    1.3    0.9    1.2    1.1    0.6    0.7    0.7    0.6
S001:     4.2    2.7    1.5    0.3    0.0    0.0    0.0    0.0    0.0    0.0    0.5    3.2
S010:     2.4    1.9    1.0    0.2    0.0    0.0    0.0    0.0    0.0    0.0    0.4    1.9
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:   39.01 inches
     Snowfall:    19.5 inches

   Days precipitation at or above 0 inches (P000):   107.6
Days precipitation at or above 0.10 inches (P010):    71.3
Days Precipitation at or above 1.00 inches (P100):     9.0
      Days Snowfall at or above 0.1 inches (S001):    12.4
      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