Official 1981-2010 Climate Normals
City: MORTON
State: IL
ID: 115876
Latitude: 40.6006
Longitude: -89.4653
Elevation: 720.0 ft
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 1.97 1.88 2.90 4.01 5.06 3.93 3.89 3.39 2.87 3.03 3.26 2.43
Snow: 7.1 4.5 2.6 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.7 8.0
Number of Days
P001: 9.1 8.0 9.9 10.6 11.8 11.7 7.9 9.3 7.2 9.2 8.4 10.2
P010: 4.5 4.6 6.3 7.4 8.8 8.4 5.9 6.3 5.6 6.1 5.2 5.8
P100: 0.6 0.3 0.4 1.0 1.2 1.1 1.0 0.6 0.6 0.5 0.8 0.4
S001: 6.0 4.6 1.9 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.6 6.0
S010: 2.3 2.2 0.8 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.4
S100: 0.1 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: 38.62 inches
Snowfall: 23.6 inches
Days precipitation at or above 0 inches (P000): 113.3
Days precipitation at or above 0.10 inches (P010): 74.9
Days Precipitation at or above 1.00 inches (P100): 8.5
Days Snowfall at or above 0.1 inches (S001): 19.4
Days Snowfall at or above 1.0 inches (S010): 8.0
Days Snowfall at or above 10.0 inches (S100): 0.1
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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
