Galena Climate Normals

Official 1981-2010 Climate Normals

City: GALENA  
State: IL
ID: 113312
Latitude: 42.3994
Longitude: -90.3861
Elevation:  752.8 ft



Precipitation-Related Normals

Normal    Jan    Feb    Mar    Apr    May    Jun    Jul    Aug    Sep    Oct    Nov    Dec
Prcp:    1.17   1.39   2.27   3.53   4.15   5.11   4.28   4.32   3.52   2.73   2.72   1.95
Snow:    10.6    7.1    4.9    1.3    0.2    0.0    0.0    0.0    0.0    0.2    1.9   10.7

Number of Days
P001:     8.1    7.0    9.2   10.8   12.5   11.2    9.5    9.7    8.7    8.7    9.4    9.0
P010:     3.6    3.9    5.2    7.1    8.0    8.0    6.5    6.0    5.8    5.2    5.7    4.9
P100:     0.0    0.1    0.2    0.9    1.1    1.4    1.4    1.1    1.0    0.7    0.6    0.3
S001:     6.5    4.9    3.5    0.7    0.0    0.0    0.0    0.0    0.0    0.1    1.9    6.3
S010:     3.5    2.8    1.6    0.4    0.0    0.0    0.0    0.0    0.0    0.1    0.7    3.6
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:   37.14 inches
     Snowfall:    36.9 inches

   Days precipitation at or above 0 inches (P000):   113.8
Days precipitation at or above 0.10 inches (P010):    69.9
Days Precipitation at or above 1.00 inches (P100):     8.8
      Days Snowfall at or above 0.1 inches (S001):    23.9
      Days Snowfall at or above 1.0 inches (S010):    12.7
     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