Official 1981-2010 Climate Normals
City: MORRISONVILLE
State: IL
ID: 115841
Latitude: 39.4158
Longitude: -89.4614
Elevation: 629.8 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 34.4 39.6 51.1 64.2 74.0 82.9 85.9 84.9 79.5 67.0 52.5 38.3
Mean: 26.2 30.7 41.2 52.9 63.2 72.4 75.3 73.8 66.9 54.7 42.8 30.1
Low: 18.0 21.7 31.3 41.6 52.4 61.9 64.8 62.7 54.2 42.5 33.0 22.0
CDD: 0 0 2 14 79 238 322 278 131 18 0 0
HDD: 1203 962 739 377 135 16 1 5 75 336 668 1080
Number of Days
T090: 0.0 0.0 0.0 0.0 0.6 3.9 6.8 6.2 2.7 0.1 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.0
T000: 2.7 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.5
T032: 27.5 23.4 17.5 4.4 0.0 0.0 0.0 0.0 0.2 4.5 14.6 25.5
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Annual Values
High Temp: 63.0 F
Mean Temp: 52.6 F
Low Temp: 42.3 F
Cooling DD: 1082
Heating DD: 5597
Days above 90 (T090): 20.4
Days above 100 (T100): 0.2
Days below 0 (T000): 5.8
Days below 32 (T032): 117.7
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Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.01 1.94 2.64 3.48 4.35 3.75 3.60 3.03 3.29 2.97 3.69 2.63
Snow: 5.7 4.8 2.7 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.6 5.0
Number of Days
P001: 7.2 6.9 9.1 10.2 10.5 9.0 7.7 7.4 6.1 8.4 8.8 8.2
P010: 4.0 4.4 6.1 6.8 7.6 6.2 5.6 5.1 4.5 5.7 6.3 4.9
P100: 0.4 0.4 0.4 0.6 1.2 1.0 1.0 0.8 1.0 0.8 0.9 0.7
S001: 2.4 2.1 1.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.1
S010: 2.3 1.7 0.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 2.0
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: 37.38 inches
Snowfall: 19.0 inches
Days precipitation at or above 0 inches (P000): 99.5
Days precipitation at or above 0.10 inches (P010): 67.2
Days Precipitation at or above 1.00 inches (P100): 9.2
Days Snowfall at or above 0.1 inches (S001): 8.0
Days Snowfall at or above 1.0 inches (S010): 7.2
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
