Official 1981-2010 Climate Normals
City: CENTRALIA
State: IL
ID: 111386
Latitude: 38.5547
Longitude: -89.1297
Elevation: 459.9 ft
Precipitation-Related Normals
Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Prcp: 2.70 2.61 3.72 4.08 5.00 4.49 4.01 2.71 2.93 3.85 4.08 3.28
Snow: 2.1 3.7 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.9
Number of Days
P001: 8.4 7.0 9.7 10.2 11.6 8.9 8.2 6.9 7.2 8.3 9.2 9.2
P010: 5.3 4.8 6.8 7.5 8.0 6.6 5.9 4.6 4.8 5.7 6.8 6.3
P100: 0.7 0.5 1.0 0.9 1.6 1.3 1.1 0.5 0.8 1.0 0.9 0.8
S001: 0.9 1.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.8
S010: 0.5 0.9 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4
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: 43.46 inches
Snowfall: 8.8 inches
Days precipitation at or above 0 inches (P000): 104.8
Days precipitation at or above 0.10 inches (P010): 73.1
Days Precipitation at or above 1.00 inches (P100): 11.1
Days Snowfall at or above 0.1 inches (S001): 3.5
Days Snowfall at or above 1.0 inches (S010): 1.9
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
