Official 1981-2010 Climate Normals
City: CHENOA
State: IL
ID: 111475
Latitude: 40.7394
Longitude: -88.7108
Elevation: 709.8 ft
Temperature-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High: 33.2 38.2 50.7 64.4 74.9 83.3 85.4 83.9 78.3 65.7 50.6 36.4
Mean: 24.8 29.2 40.3 52.4 63.0 72.0 74.7 72.9 66.1 54.4 41.6 28.5
Low: 16.3 20.2 29.8 40.5 51.0 60.7 64.0 61.8 53.9 43.1 32.7 20.5
CDD: 0 0 1 14 75 226 302 250 115 17 0 0
HDD: 1248 1002 768 390 139 16 1 7 82 345 701 1133
Number of Days
T090: 0.0 0.0 0.0 0.0 1.3 5.3 6.7 5.4 2.1 0.1 0.0 0.0
T100: 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.2 0.0 0.0 0.0 0.0
T000: 3.8 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.1
T032: 28.2 24.2 18.8 5.6 0.3 0.0 0.0 0.0 0.1 3.2 14.6 26.1
------------------------------------------------------------------------------------------
Annual Values
High Temp: 62.2 F
Mean Temp: 51.7 F
Low Temp: 41.3 F
Cooling DD: 1000
Heating DD: 5833
Days above 90 (T090): 20.9
Days above 100 (T100): 0.4
Days below 0 (T000): 7.6
Days below 32 (T032): 121.1
------------------------------------------------------------------------------------------
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 1.87 1.54 3.04 3.32 4.02 3.71 3.55 3.05 2.86 3.08 3.07 2.41
Snow: 4.9 5.1 1.8 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.8 6.3
Number of Days
P001: 6.7 5.2 8.4 10.6 10.7 9.5 8.5 7.5 7.0 8.4 8.8 7.6
P010: 4.0 3.1 5.8 7.0 7.2 6.7 6.4 5.3 5.2 6.2 6.1 4.7
P100: 0.4 0.4 0.5 0.5 1.0 1.0 0.8 0.8 0.8 0.6 0.7 0.6
S001: 3.4 3.0 1.5 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.7 3.6
S010: 2.0 1.9 0.6 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.7
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
------------------------------------------------------------------------------------------
Annual Values
Precipitation: 35.52 inches
Snowfall: 19.7 inches
Days precipitation at or above 0 inches (P000): 98.9
Days precipitation at or above 0.10 inches (P010): 67.7
Days Precipitation at or above 1.00 inches (P100): 8.1
Days Snowfall at or above 0.1 inches (S001): 12.6
Days Snowfall at or above 1.0 inches (S010): 6.8
Days Snowfall at or above 10.0 inches (S100): 0.0
------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------
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
