CHARLESTON, ILLINOIS

Period of Record General Climate Summary - Temperature

Station:(111436) CHARLESTON
From Year=1896 To Year=2012
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean		 Year Lowest
Mean		 Year >=
90 F		 <=
32 F		 <=
32 F		 <=
0 F
F F F F dd/yyyy
or
yyyymmdd		 F dd/yyyy
or
yyyymmdd		 F - F - # Days # Days # Days # Days
January 36.8 20.4 28.6 71 23/1909 -27 19/1994 40.7 2006 13.0 1977 0.0 10.7 26.0 2.7
February 40.6 23.1 31.9 75 24/1930 -23 13/1905 41.9 1930 19.1 1978 0.0 6.7 22.5 1.4
March 52.3 32.6 42.5 89 24/1929 -14 06/1960 59.1 2012 24.1 1960 0.0 1.7 16.5 0.1
April 65.0 42.9 53.9 92 11/1930 17 07/1982 61.3 2010 43.9 1907 0.0 0.0 4.8 0.0
May 75.3 52.8 64.0 101 31/1934 26 25/1925 71.7 2012 56.6 1917 1.3 0.0 0.4 0.0
June 84.0 61.6 72.8 108 28/1934 35 04/1945 80.8 1934 66.6 1928 7.1 0.0 0.0 0.0
July 88.0 65.5 76.8 110 14/1936 45 01/1937 84.7 1936 72.2 1947 12.2 0.0 0.0 0.0
August 86.1 63.6 74.8 107 05/1918 39 31/1915 82.2 1947 67.5 1915 9.4 0.0 0.0 0.0
September 79.8 56.4 68.1 104 06/1925 25 30/1899 75.3 1933 59.8 1918 4.0 0.0 0.1 0.0
October 68.1 45.3 56.7 96 21/1912 11 29/1925 66.0 1963 47.2 1925 0.2 0.0 3.4 0.0
November 52.7 34.4 43.5 84 01/1933 -2 30/1929 52.7 1931 35.7 1976 0.0 1.0 13.4 0.0
December 40.0 24.2 32.1 73 15/1948 -20 28/1924 42.2 1923 19.2 2000 0.0 7.3 23.9 1.2
Annual 64.1 43.6 53.8 110 19360714 -27 19940119 57.2 1921 50.5 1917 34.2 27.4 111.0 5.5
Winter 39.1 22.6 30.9 75 19300224 -27 19940119 40.1 1932 21.7 1978 0.0 24.7 72.5 5.3
Spring 64.2 42.8 53.5 101 19340531 -14 19600306 62.9 2012 47.1 1960 1.3 1.7 21.7 0.1
Summer 86.0 63.6 74.8 110 19360714 35 19450604 79.9 1936 70.8 1927 28.7 0.0 0.0 0.0
Fall 66.9 45.4 56.1 104 19250906 -2 19291130 62.2 1931 50.4 1976 4.2 1.0 16.9 0.0
Table updated on Oct 31, 2012
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov. 






Western Regional Climate Center, wrcc@dri.edu