CHARLESTON, IL

Minimum of Minimum Temperature (Degrees Fahrenheit)

(111436)

File last updated on September 28, 2022
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1896-2.00 -3.00b10.00b24.00 47.00 52.00 53.00 47.00 36.00b23.00a8.00f10.00a-3.00n
1897-12.00d2.00d23.00b25.00a34.00 50.00 54.00 47.00 37.00 32.00 13.00a6.00 -12.00l
18983.00 -2.00 18.00 24.00 41.00 54.00 50.00 56.00 46.00 26.00 1.00 -10.00 -10.00
1899-10.00 -22.00 -1.00 22.00 43.00a50.00 54.00 57.00 25.00 34.00 26.00 -1.00 -22.00a
1900-3.00a-4.00a2.00 26.00a32.00a48.00 -----z66.00 39.00 32.00b17.00d6.00a-----z
1901-2.00e1.00c6.00a-----z38.00 -----z-----z-----z-----z-----z16.00 -12.00e-----z
1902-5.00 -8.00b10.00b25.00b40.00 45.00a51.00 50.00 33.00 32.00 24.00 2.00f-8.00m
1903-6.00 -12.00 18.00a23.00a28.00 40.00 56.00 55.00 36.00 20.00 9.00 -6.00a-12.00c
1904-17.00b-11.00 18.00 24.00 41.00 50.00 46.00 46.00 41.00 26.00 19.00 -5.00 -17.00b
1905-8.00c-23.00a23.00 29.00 44.00 48.00a53.00 53.00 47.00 28.00 13.00 5.00 -23.00e
1906-0.00b-11.00 -0.00b30.00 30.00 49.00 49.00 45.00 49.00 23.00 21.00a5.00a-11.00f
19072.00 -4.00a24.00 22.00 30.00 43.00 48.00 49.00 36.00 27.00 16.00 15.00a-4.00b
19085.00 -0.00 27.00a22.00a32.00 39.00 51.00a48.00 35.00 21.00 15.00a10.00a-0.00e
1909-6.00 4.00 15.00 21.00 33.00 48.00 50.00 48.00 34.00 25.00 21.00 -4.00a-6.00a
19103.00 -14.00 15.00 26.00 32.00 38.00 52.00 45.00a42.00 22.00 12.00 5.00 -14.00a
1911-0.00 13.00 11.00 26.00 31.00a50.00 48.00 47.00 47.00 28.00 13.00 10.00 -0.00a
1912-22.00 -11.00 6.00 30.00 35.00 42.00 55.00 45.00 33.00 25.00a18.00a6.00 -22.00b
191312.00d-2.00a7.00a31.00 32.00a41.00a49.00 -----z-----z24.00a15.00a17.00b-----z
19149.00 -1.00 9.00 21.00a35.00 46.00 51.00 54.00 38.00 22.00 7.00 -10.00c-10.00d
1915-24.00 15.00 20.00 22.00 37.00a43.00 49.00c39.00 39.00 28.00b15.00 5.00a-24.00g
1916-5.00a-6.00 3.00 25.00 40.00 50.00 56.00 47.00 31.00 27.00 10.00 -9.00 -9.00a
1917-0.00 -12.00 10.00 22.00 32.00e36.00 52.00 44.00 34.00 21.00 16.00 -16.00 -16.00e
1918-21.00 -10.00 20.00a23.00 30.00 42.00 49.00 49.00 31.00 35.00 17.00 9.00d-21.00e
1919-6.00 12.00b11.00 23.00 38.00 53.00 53.00 51.00 42.00 32.00 18.00 -2.00a-6.00c
1920-9.00 -0.00 3.00 22.00 33.00 44.00 51.00 46.00 35.00 25.00a12.00 -9.00 -9.00a
19219.00 15.00 21.00 26.00b34.00 45.00 54.00 51.00 44.00 31.00 18.00 18.00 9.00b
1922-3.00 7.00 13.00 27.00 43.00 50.00 48.00 49.00 35.00 29.00 17.00 -6.00 -6.00
192319.00 -2.00 4.00 21.00a33.00 42.00 49.00a44.00 32.00 20.00 22.00 18.00 -2.00b
1924-16.00 8.00 13.00 21.00 35.00 42.00 47.00 45.00 33.00 25.00a18.00 -20.00 -20.00a
19253.00 7.00 -3.00 26.00 26.00 49.00 51.00 51.00 50.00 11.00 16.00 -5.00 -5.00
19261.00 16.00 8.00 23.00 29.00 43.00 47.00 55.00 35.00 28.00 14.00 2.00 1.00
1927-21.00 16.00a17.00 24.00 36.00 46.00 48.00 43.00 36.00 32.00 19.00 2.00 -21.00a
1928-9.00 4.00 17.00 22.00a30.00a44.00 50.00 53.00 27.00 26.00 17.00 7.00 -9.00b
1929-2.00 -3.00 14.00a31.00 33.00 41.00 55.00c47.00b36.00a32.00 -2.00 -3.00 -3.00g
1930-20.00 3.00 15.00 29.00 36.00 42.00 50.00 50.00 40.00 22.00d3.00 10.00 -20.00d
19314.00 13.00 18.00 25.00 35.00 41.00 54.00 53.00 41.00 32.00 22.00a20.00 4.00a
19329.00 16.00 6.00 27.00a38.00 48.00 52.00 50.00a39.00 24.00 9.00 -9.00 -9.00b
193311.00 -8.00 10.00 28.00 40.00 42.00 52.00 52.00 45.00 30.00 13.00 -3.00 -8.00
1934-1.00 -10.00 1.00 28.00 35.00 53.00 55.00 43.00 43.00 27.00 21.00 4.00 -10.00
1935-3.00a7.00 25.00 28.00 35.00 46.00 52.00 46.00 38.00 27.00 15.00 -8.00 -8.00a
1936-17.00 -11.00 19.00a21.00 38.00 45.00 52.00 55.00 40.00 22.00 17.00 6.00 -17.00a
1937-7.00 7.00 14.00 26.00 38.00 49.00 45.00 56.00 33.00 22.00 8.00 6.00 -7.00
1938-1.00 11.00 24.00 26.00 34.00 51.00 60.00 57.00 39.00 30.00 8.00 10.00 -1.00
19399.00a6.00 15.00 21.00 34.00 50.00 52.00 54.00 44.00 28.00 22.00 -3.00 -3.00a
1940-13.00 6.00 12.00 21.00 33.00 45.00 48.00 48.00 35.00 34.00 12.00 4.00 -13.00
19415.00 5.00 8.00 33.00a38.00 50.00 52.00 51.00 40.00 28.00 16.00 15.00 5.00a
1942-9.00 2.00 21.00 31.00 39.00 46.00 53.00 48.00 26.00 20.00 20.00 -1.00 -9.00
1943-6.00 -2.00 -6.00 21.00 34.00 47.00 54.00 49.00 37.00 30.00 19.00a-4.00 -6.00a
19446.00 -5.00 15.00 22.00a29.00 -----z-----z-----z-----z-----z18.00l-5.00b-----z
1945-1.00a-1.00a24.00 29.00 31.00 35.00a-----z-----z-----z-----z-----z-----z-----z
1946-0.00t4.00 21.00 29.00 37.00 43.00 54.00 42.00 37.00 32.00 23.00 13.00 -0.00t
19475.00 1.00 14.00 30.00a29.00 41.00 45.00 51.00 34.00 36.00 8.00 11.00 1.00a
1948-10.00 -0.00 -1.00 30.00 41.00 50.00a51.00b50.00 45.00 23.00a21.00 12.00b-10.00f
1949-4.00 9.00 15.00 29.00b38.00b56.00f56.00b51.00e34.00 29.00a18.00 7.00b-4.00t
195010.00 -3.00b7.00 22.00a42.00d46.00d49.00c43.00d46.00m33.00 16.00e-4.00 -----z
1951-5.00 -16.00 10.00f30.00d-----z43.00f49.00c47.00f35.00d32.00b10.00a-14.00 -----z
19524.00 18.00 12.00 28.00 42.00c52.00 55.00e49.00d43.00u19.00e15.00b12.00 -----z
195310.00 9.00 17.00 27.00e40.00b47.00c59.00l50.00c36.00d31.00 19.00 -0.00 -----z
1954-0.00 11.00 10.00 19.00b32.00c45.00 53.00 51.00 41.00 28.00 21.00 16.00 -0.00e
1955-5.00 -9.00 5.00 31.00 43.00 46.00 61.00 52.00 38.00c31.00b9.00 4.00 -9.00e
1956-2.00 4.00 17.00 25.00 34.00 41.00 53.00 46.00 35.00 30.00 5.00a18.00 -2.00a
1957-11.00 15.00 14.00a24.00 33.00a49.00 52.00 46.00 35.00 26.00 13.00 1.00 -11.00b
19587.00b-8.00 20.00 27.00 31.00 45.00 56.00 44.00 37.00a26.00b-1.00 -5.00 -8.00e
1959-8.00 1.00 18.00 27.00a32.00 43.00e49.00e55.00 40.00a23.00 3.00 18.00 -8.00l
19603.00 3.00 -14.00a24.00b34.00 52.00 55.00 55.00 48.00 26.00 20.00 -7.00 -14.00c
1961-4.00 5.00a23.00 22.00 35.00 46.00 52.00 50.00 42.00 35.00 23.00b-1.00 -4.00c
1962-10.00 3.00 5.00 26.00 45.00 50.00 52.00 55.00 39.00 21.00 26.00 -8.00 -10.00
1963-12.00 -6.00 21.00 29.00 33.00 45.00 48.00 47.00 40.00 33.00 25.00 -9.00 -12.00
19642.00 10.00 17.00 26.00 41.00 47.00 50.00 48.00 41.00 29.00 4.00 3.00 2.00
1965-9.00 -6.00 10.00 31.00 38.00 50.00 53.00 44.00 40.00 29.00 18.00 15.00a-9.00a
1966-11.00 1.00 15.00 28.00 29.00 46.00 53.00 51.00 44.00 30.00 20.00 8.00 -11.00
1967-3.00 -4.00a17.00 33.00 35.00 52.00 49.00 48.00 35.00 32.00 19.00 -4.00 -4.00a
1968-12.00 2.00 10.00 32.00 37.00 52.00 53.00 50.00 46.00 31.00 22.00 1.00 -12.00
1969-4.00 15.00 14.00 32.00 40.00 45.00a60.00 52.00 43.00 28.00a15.00 6.00a-4.00c
1970-10.00 -3.00 19.00 30.00 38.00 52.00 52.00 56.00 48.00s34.00c12.00 10.00 -10.00v
1971-0.00 -5.00 16.00 28.00 40.00e55.00 52.00 53.00 41.00 38.00 17.00 15.00g-5.00l
1972-13.00 3.00a16.00 21.00 41.00 43.00 50.00 50.00 38.00 27.00 25.00 5.00 -13.00a
1973-0.00 5.00 28.00 25.00 40.00g55.00 59.00 58.00 45.00 33.00 20.00b-7.00e-7.00n
1974-10.00a6.00 6.00 28.00 39.00 49.00 50.00 51.00a32.00b27.00 20.00 12.00 -10.00d
19757.00 -3.00a9.00a22.00 42.00 50.00 49.00 52.00 39.00 30.00a19.00a5.00a-3.00e
1976-7.00b-4.00 16.00 26.00 30.00 50.00 51.00 50.00 37.00 20.00 5.00 -7.00 -7.00b
1977-20.00a-8.00 15.00a29.00 35.00 44.00 52.00 54.00 44.00a29.00a3.00 -4.00 -20.00d
1978-5.00 -7.00 -5.00 30.00 32.00 50.00a52.00 53.00 42.00 29.00 26.00a7.00 -7.00b
1979-13.00 -14.00 10.00a23.00 35.00a49.00 52.00 50.00 41.00 26.00a20.00 4.00 -14.00c
19804.00 -3.00a-1.00 30.00 34.00 43.00 59.00 58.00 41.00a21.00 20.00a-5.00 -5.00c
1981-2.00 -8.00 17.00 27.00 30.00 53.00 54.00 52.00 43.00 20.00 16.00 -10.00e-10.00e
1982-20.00b-18.00 14.00a17.00 48.00 48.00 55.00 49.00a42.00 25.00 16.00 11.00b-20.00f
19839.00 7.00 17.00 20.00 35.00 42.00 50.00 56.00 33.00 33.00a26.00 -17.00 -17.00a
1984-18.00a-2.00 -0.00 29.00 35.00 54.00 54.00 53.00 39.00a33.00 20.00 4.00a-18.00c
1985-22.00 -8.00a19.00b26.00 41.00 46.00 55.00a54.00 38.00 31.00 22.00 -7.00 -22.00d
1986-5.00 -0.00a13.00 29.00 39.00 48.00 60.00 42.00 39.00 33.00 7.00 5.00 -5.00a
1987-8.00 15.00 18.00b19.00 40.00 51.00 56.00 51.00 47.00a25.00 15.00a12.00 -8.00d
1988-5.00 -5.00 17.00 29.00 39.00 43.00 53.00 47.00 42.00b26.00 23.00 5.00 -5.00b
198913.00 -2.00c11.00 24.00 31.00 49.00 57.00a50.00 36.00 31.00a15.00 -20.00 -20.00e
199014.00a9.00 16.00 20.00 39.00 44.00 56.00 49.00a37.00 26.00 23.00 -4.00 -4.00b
1991-3.00 4.00 18.00 31.00 36.00 54.00 55.00 56.00 32.00 27.00a9.00a4.00a-3.00c
1992-4.00 12.00a18.00a26.00c35.00 41.00 55.00 49.00 36.00 29.00 26.00b7.00a-4.00h
19936.00 -8.00a11.00 28.00 41.00 44.00 59.00a54.00 35.00 29.00 18.00 4.00 -8.00b
1994-27.00 -5.00 22.00 18.00a32.00 48.00 53.00 50.00 42.00a30.00a25.00 16.00 -27.00c
19953.00a-1.00 17.00 24.00a37.00 46.00 53.00 59.00 33.00 30.00 13.00 -1.00 -1.00b
1996-8.00 -16.00a4.00 24.00 37.00 46.00 51.00 56.00a43.00 30.00 15.00 4.00 -16.00b
1997-8.00a19.00 14.00 20.00 33.00 52.00 53.00 49.00 44.00 26.00 15.00 12.00 -8.00a
199810.00a21.00 6.00a30.00 47.00 42.00 58.00 58.00 47.00 31.00 21.00 2.00 2.00b
1999-17.00a16.00 20.00 33.00 41.00 44.00a54.00 53.00 35.00 27.00 18.00 -0.00b-17.00d
2000-0.00 4.00 12.00b27.00a40.00 46.00 53.00 57.00a36.00 28.00 13.00 -10.00a-10.00e
2001-13.00a2.00b15.00 26.00 37.00 49.00 50.00 52.00 36.00 26.00 27.00 9.00 -13.00c
20028.00a8.00 3.00 22.00a33.00 52.00 59.00a57.00 42.00 29.00 18.00b12.00 3.00e
2003-9.00 -1.00 10.00a30.00 38.00 38.00 55.00 57.00 38.00 27.00a22.00 9.00 -9.00b
2004-12.00a9.00 20.00 29.00 38.00 45.00 52.00a45.00 39.00 30.00 25.00 -0.00 -12.00b
2005-4.00b17.00 17.00 32.00 29.00 53.00 55.00 58.00 45.00a30.00 12.00 4.00a-4.00d
200618.00a3.00 16.00 29.00 42.00 53.00 51.00 57.00 40.00a27.00a18.00 4.00 3.00c
20073.00a-5.00 16.00 22.00 36.00 50.00 53.00 57.00 39.00 30.00 21.00 19.00b-5.00c
2008-----z-----z-----z-----z-----z-----z-----z54.00v49.00n37.00m17.00a-2.00c-----z
2009-9.00 2.00b22.00q30.00b40.00 47.00a57.00b50.00 42.00a29.00 28.00 10.00a-----z
2010-1.00a7.00a22.00a31.00b30.00 56.00b55.00 54.00 44.00 29.00b23.00a3.00 -1.00j
2011-3.00 3.00 25.00a34.00e36.00a52.00a60.00a57.00 40.00 33.00a26.00a15.00a-3.00l
20129.00 12.00 20.00c28.00 44.00b49.00a61.00 51.00a36.00a30.00 21.00a11.00 9.00i
20135.00 5.00a17.00 25.00b37.00 49.00 49.00 48.00a43.00 26.00a12.00e1.00c1.00m
2014-12.00f-7.00 4.00a29.00 41.00b53.00a54.00b57.00 40.00 31.00f10.00b10.00d-12.00x
2015-0.00a-3.00a-0.00d29.00a35.00b49.00 58.00 51.00a44.00a32.00b17.00a20.00 -3.00n
20161.00a6.00b20.00a26.00a37.00b49.00c53.00c55.00d45.00b32.00b19.00a-1.00a-1.00w
2017-1.00e11.00c15.00g33.00a37.00e48.00g56.00e52.00b44.00e30.00g11.00e-2.00c-----z
2018-14.00e-1.00d16.00a14.00b42.00b52.00a50.00 53.00 50.00h28.00a14.00d15.00d-----z
2019-12.00 10.00b1.00d25.00a39.00a44.00a52.00c53.00 51.00a31.00c4.00b15.00c-12.00u
20208.00c-0.00b28.00g25.00e29.00a49.00 59.00 50.00a40.00a28.00a21.00a8.00a-0.00w
20212.00a-11.00 14.00a24.00a35.00a48.00 52.00 50.00 55.00 40.00a22.00 21.00 -11.00e
20221.00a2.00d19.00 30.00a40.00c51.00 55.00a55.00a43.00g-----z-----z-----z-----z
Period of Record Statistics
MEAN-3.45 1.01 13.02 26.02 36.23 47.07 52.78 50.93 39.15 28.02 16.35 3.18 -8.67
S.D.9.31 9.07 7.67 3.94 4.50 4.34 3.45 4.48 5.12 4.42 6.36 9.17 7.14
SKEW-0.13 -0.09 -0.74 -0.26 0.19 -0.29 0.31 0.07 0.09 -0.50 -0.64 -0.23 -0.17
MAX19.00 21.00 28.00 34.00 48.00 56.00 61.00 66.00 55.00 40.00 28.00 21.00 9.00
MIN-27.00 -23.00 -14.00 14.00 26.00 35.00 45.00 39.00 25.00 11.00 -2.00 -20.00 -27.00
YRS124 126 122 125 124 121 121 121 117 120 123 123 76