Smithland L&D Climate Normals

Official 1981-2010 Climate Normals

City: SMITHLAND L&D
State: IL
ID: 118020
Latitude: 37.1644
Longitude: -88.4311
Elevation: 356.9 ft

Temperature-Related Normals

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 42.0 46.9 57.0 67.8 76.4 84.4 88.1 87.6 80.7 69.6 57.8 45.2
Mean: 33.3 37.3 46.5 56.6 65.7 74.1 78.2 77.3 69.9 58.1 47.5 36.3
Low: 24.7 27.7 36.1 45.3 55.1 63.9 68.2 67.1 59.0 46.5 37.2 27.5
CDD: 0 0 3 24 104 281 408 384 182 31 2 0
HDD: 981 776 575 278 81 6 0 1 36 246 527 888

Number of Days
T090: 0.0 0.0 0.0 0.0 0.6 5.8 12.4 10.9 3.5 0.0 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.0 0.0 0.0 0.0
T000: 0.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5
T032: 23.4 18.4 11.2 2.5 0.0 0.0 0.0 0.0 0.0 1.8 9.6 20.5
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Annual Values

High Temp: 67.0 F
Mean Temp: 56.8 F
Low Temp: 46.6 F
Cooling DD: 1419
Heating DD: 4396

Days above 90 (T090): 33.3
Days above 100 (T100): 0.6
Days below 0 (T000): 1.2
Days below 32 (T032): 87.4
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Precipitation-Related Normals

Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 3.42 3.90 4.08 4.45 5.13 4.27 4.10 2.67 3.60 3.80 4.13 4.59
Snow: 1.2 1.4 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.6

Number of Days
P001: 9.5 9.0 10.7 10.6 11.3 9.3 8.0 6.4 6.6 7.8 9.5 10.4
P010: 5.9 6.1 7.2 7.7 8.1 6.7 5.5 4.3 5.0 5.7 6.8 7.0
P100: 1.0 1.0 1.1 1.1 1.2 1.4 1.4 0.8 1.2 1.1 1.2 1.1
S001: 0.9 1.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0
S010: 0.5 0.8 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6
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: 48.14 inches
Snowfall: 4.6 inches

Days precipitation at or above 0 inches (P000): 109.1
Days precipitation at or above 0.10 inches (P010): 76.0
Days Precipitation at or above 1.00 inches (P100): 13.6
Days Snowfall at or above 0.1 inches (S001): 3.2
Days Snowfall at or above 1.0 inches (S010): 2.1
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