Official 1981-2010 Climate Normals
City: DIXON 1 NW
State: IL
ID: 112348
Latitude: 41.8472
Longitude: -89.5047
Elevation: 700.0 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 28.8 33.5 46.1 60.2 70.5 79.4 82.6 81.1 74.5 62.4 47.4 32.7
Mean: 20.2 24.6 36.6 49.0 59.6 68.9 72.6 70.9 62.9 51.0 38.4 24.6
Low: 11.6 15.7 27.0 37.8 48.6 58.4 62.6 60.6 51.4 39.7 29.3 16.5
CDD: 0 0 0 8 42 156 242 197 72 8 0 0
HDD: 1389 1131 882 488 211 39 7 16 134 441 800 1252
Number of Days
T090: 0.0 0.0 0.0 0.1 0.3 1.7 4.0 2.7 0.9 0.0 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0
T000: 6.8 4.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.9
T032: 29.6 25.7 22.5 7.4 0.5 0.0 0.0 0.0 0.3 7.2 18.1 28.3
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Annual Values
High Temp: 58.4 F
Mean Temp: 48.4 F
Low Temp: 38.4 F
Cooling DD: 726
Heating DD: 6789
Days above 90 (T090): 9.8
Days above 100 (T100): 0.1
Days below 0 (T000): 15.1
Days below 32 (T032): 139.6
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Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 1.57 1.58 2.47 3.50 4.41 4.90 4.14 4.50 3.55 2.90 2.69 2.19
Snow: 11.2 5.8 4.1 0.7 0.0 0.0 0.0 0.0 0.0 0.1 1.4 6.9
Number of Days
P001: 7.4 6.3 7.9 9.5 9.9 8.9 8.3 8.4 7.1 7.4 7.9 8.1
P010: 4.3 4.0 5.3 6.8 7.6 7.6 6.4 6.3 5.3 5.3 5.6 5.3
P100: 0.2 0.2 0.5 0.8 1.2 1.3 1.1 1.4 0.8 0.6 0.4 0.4
S001: 5.5 3.6 2.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.8 4.5
S010: 3.5 2.3 1.2 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.8
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: 38.40 inches
Snowfall: 30.2 inches
Days precipitation at or above 0 inches (P000): 97.1
Days precipitation at or above 0.10 inches (P010): 69.8
Days Precipitation at or above 1.00 inches (P100): 8.9
Days Snowfall at or above 0.1 inches (S001): 16.8
Days Snowfall at or above 1.0 inches (S010): 10.5
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
