Harvard Climate Normals

Official 1981-2010 Climate Normals

City: HARVARD
State: IL
ID: 113902
Latitude: 42.4147
Longitude: -88.6308
Elevation: 909.9 ft

Precipitation-Related Normals

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 1.45 1.54 2.23 3.42 4.05 4.40 3.63 4.29 3.73 2.85 2.84 1.98
Snow: 9.6 6.9 3.6 0.8 0.0 0.0 0.0 0.0 0.0 0.0 1.3 7.3

Number of Days
P001: 10.3 8.1 10.1 11.7 12.5 11.4 9.7 9.7 8.4 9.9 9.2 9.5
P010: 5.0 4.2 4.7 6.8 7.6 7.9 5.6 6.4 5.7 5.8 4.8 5.1
P100: 0.1 0.2 0.4 0.8 1.2 1.1 1.0 1.2 0.9 0.5 0.3 0.3
S001: 6.3 4.1 2.5 0.8 0.0 0.0 0.0 0.0 0.0 0.1 1.2 5.0
S010: 4.2 2.3 1.3 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.6 2.7
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: 36.41 inches
Snowfall: 29.5 inches

Days precipitation at or above 0 inches (P000): 120.5
Days precipitation at or above 0.10 inches (P010): 69.6
Days Precipitation at or above 1.00 inches (P100): 8.0
Days Snowfall at or above 0.1 inches (S001): 20.0
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