Channahon Climate Normals

Official 1981-2010 Climate Normals

City: CHANNAHON DRESDEN IS
State: IL
ID: 111420
Latitude: 41.3978
Longitude: -88.2819
Elevation:  504.8 ft

Temperature-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
High:    30.9   35.9   47.4   60.6   71.6   80.5   84.4   82.5   76.2   64.2   49.8   35.1
Mean:    23.2   27.5   37.9   49.6   60.2   69.6   73.7   72.2   65.0   53.2   41.2   27.5
 Low:    15.6   19.0   28.3   38.7   48.9   58.7   63.1   61.9   53.8   42.3   32.6   19.9
 CDD:       0      0      0      5     47    171    274    230     92     14      0      0
 HDD:    1294   1051    842    466    194     33      3      7     92    379    714   1162

Number of Days
T090:     0.0    0.0    0.0    0.0    0.8    3.1    4.9    3.4    1.2    0.1    0.0    0.0
T100:     0.0    0.0    0.0    0.0    0.0    0.0    0.1    0.0    0.0    0.0    0.0    0.0
T000:     3.6    1.8    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.0    0.0    1.2
T032:    28.9   25.3   21.6    7.3    0.2    0.0    0.0    0.0    0.0    3.5   14.4   26.7
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Annual Values

 High Temp:    60.0 F
 Mean Temp:    50.2 F
  Low Temp:    40.3 F
Cooling DD:     833
Heating DD:    6236

Days above  90 (T090):    13.5
Days above 100 (T100):     0.1
Days below   0 (T000):     6.8
Days below  32 (T032):   128.0
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Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    1.81   1.59   2.37   3.45   4.03   4.17   4.17   3.70   3.04   2.86   3.06   2.25
Snow:     5.5    7.2    0.3    0.5    0.0    0.0    0.0    0.0    0.0    0.0    0.2    6.1

Number of Days
P001:    11.4    9.7   10.8   11.4   11.2   10.1    9.0    8.5    8.3    9.2   10.3   12.0
P010:     4.9    3.8    5.7    6.8    7.5    6.7    6.3    5.6    5.0    5.5    5.9    5.0
P100:     0.3    0.2    0.4    0.7    1.0    1.1    1.1    1.0    0.9    0.6    0.8    0.3
S001:     3.7    2.7    0.4    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.1    3.2
S010:     2.0    1.8    0.2    0.1    0.0    0.0    0.0    0.0    0.0    0.0    0.1    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:   36.50 inches
     Snowfall:    19.8 inches

   Days precipitation at or above 0 inches (P000):   121.9
Days precipitation at or above 0.10 inches (P010):    68.7
Days Precipitation at or above 1.00 inches (P100):     8.4
      Days Snowfall at or above 0.1 inches (S001):    10.2
      Days Snowfall at or above 1.0 inches (S010):     6.1
     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