Official 1981-2010 Climate Normals
City: CRYSTAL LAKE 4
State: IL
ID: 112048
Latitude: 42.2611
Longitude: -88.3953
Elevation: 939.7 ft
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 1.72 1.69 2.27 3.40 4.63 4.35 3.73 4.29 3.17 3.06 2.82 2.11
Snow: 10.3 7.9 4.5 1.1 0.0 0.0 0.0 0.0 0.0 0.0 1.4 10.3
Number of Days
P001: 8.6 7.3 8.5 10.6 11.2 10.3 8.9 8.8 7.5 8.8 8.8 9.5
P010: 5.4 4.5 4.7 7.9 8.2 7.3 6.2 6.5 5.4 6.2 5.3 5.4
P100: 0.1 0.2 0.4 0.9 1.2 1.1 1.4 1.2 0.8 0.6 0.6 0.4
S001: 6.2 4.6 3.2 0.9 0.1 0.0 0.0 0.0 0.0 0.0 1.3 6.2
S010: 3.4 2.1 1.6 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.5 3.4
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: 37.24 inches
Snowfall: 35.5 inches
Days precipitation at or above 0 inches (P000): 108.8
Days precipitation at or above 0.10 inches (P010): 73.0
Days Precipitation at or above 1.00 inches (P100): 8.9
Days Snowfall at or above 0.1 inches (S001): 22.5
Days Snowfall at or above 1.0 inches (S010): 11.5
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
