Keithsburg Climate Normals

Official 1981-2010 Climate Normals

City: KEITHSBURG
State: IL
ID: 114655
Latitude: 41.0994
Longitude: -90.9394
Elevation: 549.7 ft

Precipitation-Related Normals

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 1.42 1.66 3.00 3.47 4.22 4.41 4.01 3.90 3.56 2.90 2.45 2.03
Snow: 6.1 4.4 2.5 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.5 5.6

Number of Days
P001: 6.0 5.8 7.6 9.1 10.2 7.7 7.6 7.8 6.7 6.2 6.9 6.8
P010: 3.8 3.8 5.3 6.4 7.8 6.1 5.9 5.6 5.0 4.9 4.9 4.3
P100: 0.1 0.3 0.5 0.8 1.2 1.4 1.0 1.1 0.8 0.8 0.7 0.5
S001: 3.0 2.1 1.1 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.1
S010: 2.7 1.8 0.9 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.1
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: 37.03 inches
Snowfall: 19.5 inches

Days precipitation at or above 0 inches (P000): 88.4
Days precipitation at or above 0.10 inches (P010): 63.8
Days Precipitation at or above 1.00 inches (P100): 9.2
Days Snowfall at or above 0.1 inches (S001): 8.9
Days Snowfall at or above 1.0 inches (S010): 8.0
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