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
