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Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(480270)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200509
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) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z 2.00 e 29.00 22.00 30.00 33.00 40.00 34.00 20.00 6.00 a -5.00 -5.00
1916 -18.00 h -10.00 c 4.00 11.00 16.00 28.00 49.00 41.00 24.00 12.00 -25.00 p -10.00 c -25.00
1917 -18.00 f -6.00 r 19.00 z 4.00 10.00 30.00 38.00 39.00 34.00 -1.00 ----- z ----- z -18.00
1918 ----- z ----- z ----- z 12.00 26.00 36.00 ----- z ----- z ----- z ----- z ----- z ----- z 12.00
1919 -12.00 -3.00 0.00 10.00 26.00 27.00 47.00 42.00 31.00 ----- z ----- z ----- z -12.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z 43.00 34.00 26.00 17.00 -8.00 -7.00 -8.00
1921 -8.00 -7.00 a 3.00 11.00 27.00 c 41.00 41.00 42.00 31.00 a ----- z ----- z ----- z -8.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.00 33.00 7.00 3.00 -12.00 -12.00
1949 -16.00 -19.00 4.00 18.00 30.00 40.00 31.00 42.00 29.00 16.00 15.00 -2.00 -19.00
1950 -20.00 -4.00 -5.00 5.00 24.00 32.00 40.00 39.00 35.00 25.00 -8.00 a -4.00 -20.00
1951 -18.00 -29.00 -3.00 11.00 28.00 26.00 43.00 a 38.00 20.00 19.00 b -15.00 -20.00 -29.00
1952 -12.00 -1.00 1.00 a 15.00 a 28.00 41.00 37.00 35.00 a 34.00 b 13.00 b -11.00 0.00 c -12.00
1953 -2.00 0.00 a 9.00 5.00 17.00 34.00 45.00 46.00 28.00 22.00 6.00 -1.00 -2.00
1954 -9.00 4.00 -13.00 3.00 17.00 27.00 43.00 45.00 31.00 17.00 5.00 -4.00 -13.00
1955 -6.00 -9.00 a -7.00 14.00 29.00 35.00 45.00 38.00 a 29.00 15.00 b -9.00 -7.00 -9.00
1956 -1.00 -11.00 -11.00 11.00 29.00 38.00 39.00 34.00 34.00 19.00 5.00 -1.00 -11.00
1957 -20.00 7.00 -1.00 4.00 25.00 33.00 43.00 43.00 29.00 18.00 2.00 6.00 -20.00
1958 0.00 -3.00 -10.00 19.00 28.00 36.00 43.00 42.00 28.00 24.00 -6.00 2.00 -10.00
1959 -22.00 -3.00 8.00 -4.00 28.00 34.00 39.00 47.00 22.00 11.00 -8.00 8.00 -22.00
1960 -7.00 -19.00 -11.00 13.00 25.00 35.00 42.00 40.00 31.00 20.00 4.00 a 3.00 -19.00
1961 -18.00 2.00 2.00 16.00 27.00 40.00 44.00 46.00 24.00 17.00 6.00 -19.00 -19.00
1962 -23.00 -20.00 -7.00 12.00 24.00 31.00 42.00 35.00 18.00 23.00 8.00 -11.00 -23.00
1963 -27.00 a -6.00 -12.00 11.00 a 28.00 40.00 51.00 48.00 40.00 22.00 a 13.00 -11.00 -27.00
1964 -2.00 -2.00 3.00 15.00 24.00 32.00 42.00 35.00 21.00 15.00 9.00 -28.00 -28.00
1965 3.00 -7.00 -13.00 22.00 26.00 32.00 48.00 38.00 20.00 27.00 15.00 -8.00 -13.00
1966 -14.00 -5.00 3.00 -5.00 23.00 38.00 51.00 46.00 33.00 b 17.00 0.00 2.00 -14.00
1967 -4.00 4.00 e -1.00 a 22.00 18.00 39.00 45.00 38.00 30.00 15.00 -6.00 -10.00 -10.00
1968 -13.00 7.00 5.00 5.00 24.00 38.00 34.00 35.00 30.00 22.00 4.00 -14.00 -14.00
1969 -6.00 6.00 -8.00 21.00 30.00 28.00 46.00 46.00 36.00 6.00 5.00 8.00 -8.00
1970 -1.00 19.00 3.00 10.00 21.00 32.00 43.00 46.00 27.00 10.00 -1.00 1.00 -1.00
1971 -20.00 -15.00 1.00 16.00 26.00 38.00 38.00 43.00 21.00 8.00 7.00 -2.00 -20.00
1972 -21.00 -10.00 2.00 15.00 25.00 42.00 38.00 43.00 26.00 8.00 -3.00 -25.00 -25.00
1973 -15.00 -11.00 10.00 5.00 20.00 32.00 45.00 46.00 28.00 24.00 10.00 -5.00 -15.00
1974 -19.00 ----- z 0.00 18.00 26.00 36.00 45.00 37.00 26.00 21.00 1.00 -3.00 -19.00
1975 -8.00 -11.00 -7.00 a -8.00 b 21.00 32.00 41.00 36.00 a 27.00 7.00 -6.00 -5.00 -11.00
1976 -6.00 -7.00 a -6.00 20.00 28.00 35.00 47.00 41.00 a 30.00 9.00 -17.00 a 0.00 -17.00
1977 -14.00 5.00 8.00 11.00 35.00 39.00 43.00 44.00 33.00 16.00 -4.00 -8.00 -14.00
1978 -4.00 -4.00 -4.00 20.00 20.00 33.00 42.00 39.00 25.00 20.00 8.00 -18.00 a -18.00
1979 -20.00 -2.00 9.00 18.00 a 21.00 31.00 40.00 43.00 31.00 a 20.00 -3.00 -1.00 -20.00
1980 -17.00 -8.00 -5.00 21.00 31.00 38.00 50.00 40.00 31.00 17.00 5.00 4.00 -17.00
1981 6.00 -23.00 11.00 18.00 29.00 a 33.00 46.00 43.00 35.00 11.00 7.00 -2.00 -23.00
1982 -10.00 -28.00 -3.00 9.00 20.00 29.00 43.00 45.00 30.00 18.00 -3.00 0.00 -28.00
1983 10.00 4.00 4.00 -2.00 18.00 b 35.00 43.00 51.00 19.00 22.00 -9.00 -25.00 -25.00
1984 -22.00 -2.00 0.00 2.00 22.00 32.00 46.00 48.00 15.00 13.00 9.00 b -5.00 -22.00
1985 -22.00 -24.00 4.00 14.00 29.00 30.00 47.00 40.00 8.00 10.00 -5.00 -18.00 -24.00
1986 6.00 -12.00 15.00 13.00 26.00 34.00 42.00 42.00 29.00 4.00 -7.00 -10.00 -12.00
1987 -9.00 4.00 0.00 16.00 31.00 34.00 40.00 40.00 28.00 15.00 6.00 -16.00 -16.00
1988 -10.00 -10.00 a -3.00 9.00 24.00 37.00 43.00 41.00 30.00 15.00 2.00 -8.00 -10.00
1989 -3.00 -27.00 -11.00 1.00 20.00 32.00 48.00 42.00 30.00 12.00 5.00 -25.00 -27.00
1990 3.00 -10.00 5.00 6.00 22.00 37.00 40.00 45.00 34.00 16.00 5.00 -30.00 -30.00
1991 -15.00 7.00 13.00 8.00 21.00 42.00 45.00 48.00 27.00 -4.00 -9.00 1.00 -15.00
1992 -10.00 14.00 6.00 13.00 30.00 35.00 43.00 36.00 26.00 14.00 5.00 -8.00 -10.00
1993 -5.00 -15.00 1.00 19.00 25.00 33.00 38.00 35.00 22.00 -1.00 -16.00 0.00 -16.00
1994 -4.00 -9.00 8.00 16.00 25.00 32.00 37.00 46.00 23.00 20.00 3.00 4.00 -9.00
1995 -14.00 -10.00 -10.00 13.00 23.00 32.00 42.00 42.00 21.00 15.00 -6.00 -12.00 -14.00
1996 -14.00 -25.00 -13.00 15.00 24.00 35.00 40.00 38.00 19.00 14.00 -1.00 -12.00 -25.00
1997 -20.00 0.00 2.00 -2.00 22.00 39.00 37.00 41.00 31.00 5.00 -4.00 0.00 -20.00
1998 -7.00 12.00 -4.00 18.00 28.00 31.00 ----- z 45.00 36.00 19.00 8.00 -18.00 -18.00
1999 -1.00 a 4.00 5.00 9.00 20.00 33.00 37.00 38.00 18.00 10.00 b 0.00 a 8.00 -1.00
2000 5.00 5.00 b 18.00 9.00 a 21.00 35.00 48.00 a 45.00 21.00 18.00 -8.00 -7.00 -8.00
2001 -4.00 -10.00 11.00 12.00 21.00 a 31.00 a 50.00 45.00 c 30.00 17.00 -7.00 2.00 b -10.00
2002 -10.00 -8.00 -11.00 12.00 16.00 35.00 48.00 38.00 28.00 6.00 0.00 3.00 -11.00
2003 2.00 -18.00 1.00 18.00 25.00 31.00 48.00 44.00 24.00 11.00 -11.00 0.00 -18.00
2004 -16.00 -17.00 11.00 10.00 f 24.00 31.00 39.00 35.00 30.00 23.00 -8.00 -11.00 -17.00
2005 -8.00 3.00 5.00 15.00 18.00 32.00 41.00 31.00 32.00 ----- z ----- z ----- z -8.00
Period of Record Statistics
MEAN -9.73 -6.22 0.30 11.56 24.08 34.11 42.69 41.22 27.59 14.77 -0.20 -6.60 -16.84
S.D. 8.67 10.74 7.61 7.32 4.52 3.89 4.36 4.29 5.85 6.66 7.71 9.28 7.23
SKEW 0.17 -0.15 -0.02 -0.52 -0.39 0.17 -0.25 -0.14 -0.72 -0.67 -0.15 -0.67 0.19
MAX 10.00 19.00 18.00 29.00 35.00 42.00 51.00 51.00 40.00 27.00 15.00 8.00 -1.00
MIN -27.00 -29.00 -13.00 -8.00 10.00 26.00 31.00 31.00 8.00 -4.00 -17.00 -30.00 -30.00
NO YRS 59 59 61 62 63 63 62 64 64 61 59 60 50