DUNCAN sta,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(022754)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1901 ----- z ----- z ----- z ----- z 37.00 t 36.00 52.00 52.00 35.00 31.00 25.00 11.00 11.00
1902 11.00 d 16.00 14.00 28.00 31.00 32.00 42.00 a 55.00 38.00 28.00 15.00 15.00 11.00
1903 15.00 11.00 10.00 25.00 29.00 42.00 45.00 39.00 37.00 18.00 15.00 ----- z 10.00
1904 4.00 7.00 18.00 ----- z 29.00 34.00 ----- z 53.00 a 42.00 25.00 17.00 16.00 4.00
1905 15.00 c 15.00 23.00 28.00 31.00 38.00 49.00 49.00 34.00 26.00 23.00 11.00 11.00
1906 10.00 e 22.00 20.00 30.00 31.00 38.00 52.00 48.00 44.00 20.00 ----- z ----- z 10.00
1907 ----- z ----- z 19.00 28.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 20.00 z ----- z ----- z 20.00
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 22.00 d 34.00 48.00 55.00 48.00 42.00 31.00 8.00 10.00 8.00
1949 3.00 13.00 20.00 28.00 31.00 37.00 51.00 45.00 42.00 17.00 20.00 10.00 3.00
1950 7.00 14.00 21.00 26.00 22.00 38.00 55.00 49.00 35.00 32.00 9.00 10.00 7.00
1951 7.00 b 13.00 9.00 25.00 31.00 40.00 60.00 58.00 41.00 28.00 16.00 15.00 7.00
1952 13.00 10.00 18.00 31.00 41.00 49.00 55.00 50.00 42.00 30.00 13.00 13.00 10.00
1953 12.00 6.00 17.00 22.00 31.00 41.00 61.00 56.00 38.00 28.00 14.00 -2.00 -2.00
1954 7.00 15.00 16.00 28.00 30.00 40.00 59.00 51.00 43.00 29.00 19.00 5.00 5.00
1955 13.00 7.00 16.00 24.00 31.00 35.00 53.00 58.00 40.00 31.00 16.00 16.00 7.00
1956 14.00 -1.00 17.00 23.00 35.00 53.00 52.00 47.00 41.00 25.00 6.00 a 10.00 -1.00
1957 19.00 19.00 21.00 28.00 35.00 48.00 60.00 60.00 41.00 31.00 12.00 9.00 9.00
1958 9.00 18.00 25.00 27.00 40.00 47.00 52.00 56.00 49.00 31.00 17.00 6.00 6.00
1959 7.00 16.00 13.00 35.00 36.00 45.00 60.00 62.00 40.00 34.00 14.00 16.00 7.00
1960 11.00 11.00 22.00 26.00 32.00 49.00 57.00 56.00 45.00 29.00 16.00 15.00 11.00
1961 13.00 16.00 18.00 28.00 35.00 42.00 58.00 59.00 40.00 30.00 23.00 16.00 13.00
1962 -2.00 14.00 c 16.00 27.00 33.00 39.00 48.00 50.00 46.00 33.00 23.00 18.00 -2.00
1963 10.00 11.00 15.00 23.00 35.00 38.00 61.00 56.00 44.00 36.00 19.00 11.00 10.00
1964 0.00 5.00 12.00 28.00 29.00 45.00 61.00 57.00 45.00 31.00 20.00 9.00 0.00
1965 16.00 13.00 13.00 28.00 30.00 44.00 60.00 51.00 39.00 30.00 20.00 22.00 13.00
1966 14.00 a 13.00 12.00 28.00 39.00 42.00 59.00 56.00 a 50.00 28.00 20.00 5.00 5.00
1967 1.00 12.00 19.00 27.00 27.00 45.00 63.00 57.00 46.00 25.00 a 22.00 a 12.00 1.00
1968 18.00 a 21.00 28.00 26.00 35.00 40.00 53.00 49.00 a 37.00 28.00 18.00 8.00 8.00
1969 12.00 13.00 18.00 29.00 38.00 48.00 58.00 61.00 44.00 27.00 14.00 12.00 a 12.00
1970 4.00 12.00 23.00 22.00 28.00 43.00 57.00 50.00 39.00 20.00 16.00 8.00 4.00
1971 20.00 s 12.00 10.00 24.00 33.00 36.00 j 59.00 e 59.00 43.00 21.00 f 20.00 16.00 10.00
1972 12.00 b 15.00 21.00 25.00 34.00 36.00 46.00 c 58.00 a 39.00 33.00 12.00 13.00 12.00
1973 11.00 12.00 24.00 13.00 33.00 40.00 47.00 50.00 36.00 23.00 12.00 4.00 4.00
1974 9.00 5.00 16.00 20.00 26.00 a 39.00 a 58.00 41.00 43.00 32.00 14.00 5.00 5.00
1975 10.00 14.00 23.00 20.00 24.00 38.00 55.00 51.00 g 37.00 25.00 10.00 8.00 8.00
1976 6.00 11.00 15.00 18.00 29.00 34.00 50.00 46.00 42.00 27.00 11.00 7.00 6.00
1977 11.00 9.00 14.00 21.00 30.00 43.00 58.00 b 55.00 42.00 32.00 20.00 10.00 a 9.00
1978 18.00 16.00 22.00 25.00 31.00 39.00 49.00 47.00 44.00 30.00 20.00 0.00 0.00
1979 7.00 16.00 16.00 17.00 22.00 37.00 47.00 43.00 41.00 21.00 8.00 5.00 5.00
1980 14.00 15.00 19.00 20.00 27.00 35.00 58.00 52.00 h 42.00 19.00 13.00 9.00 9.00
1981 19.00 12.00 23.00 26.00 36.00 46.00 61.00 53.00 42.00 27.00 15.00 8.00 8.00
1982 15.00 11.00 17.00 27.00 30.00 39.00 52.00 60.00 36.00 21.00 19.00 15.00 11.00
1983 14.00 22.00 22.00 18.00 29.00 37.00 45.00 54.00 51.00 39.00 17.00 16.00 14.00
1984 14.00 11.00 12.00 22.00 33.00 45.00 58.00 58.00 44.00 32.00 13.00 13.00 11.00
1985 12.00 8.00 15.00 25.00 32.00 39.00 53.00 49.00 42.00 36.00 14.00 15.00 8.00
1986 12.00 18.00 23.00 25.00 27.00 48.00 54.00 58.00 36.00 28.00 19.00 9.00 9.00
1987 12.00 17.00 16.00 24.00 34.00 43.00 42.00 47.00 41.00 33.00 12.00 10.00 10.00
1988 13.00 16.00 11.00 19.00 27.00 36.00 55.00 59.00 37.00 33.00 11.00 2.00 2.00
1989 10.00 17.00 19.00 25.00 34.00 43.00 51.00 50.00 35.00 22.00 14.00 5.00 5.00
1990 13.00 z 8.00 k 19.00 32.00 35.00 45.00 59.00 51.00 49.00 29.00 20.00 1.00 1.00
1991 15.00 18.00 19.00 24.00 27.00 39.00 53.00 58.00 44.00 19.00 14.00 13.00 13.00
1992 15.00 19.00 25.00 31.00 44.00 41.00 47.00 50.00 40.00 27.00 7.00 11.00 7.00
1993 19.00 19.00 25.00 26.00 35.00 40.00 54.00 59.00 37.00 20.00 10.00 11.00 10.00
1994 8.00 15.00 23.00 27.00 33.00 47.00 52.00 60.00 43.00 31.00 16.00 19.00 8.00
1995 18.00 21.00 20.00 23.00 28.00 42.00 49.00 58.00 47.00 29.00 21.00 17.00 17.00
1996 9.00 22.00 22.00 26.00 38.00 44.00 63.00 59.00 43.00 19.00 25.00 9.00 9.00
1997 19.00 16.00 25.00 28.00 35.00 47.00 53.00 56.00 53.00 25.00 23.00 14.00 14.00
1998 15.00 19.00 19.00 26.00 32.00 43.00 57.00 55.00 45.00 30.00 21.00 13.00 13.00
1999 11.00 9.00 22.00 22.00 32.00 41.00 62.00 56.00 i 44.00 26.00 13.00 10.00 9.00
2000 9.00 17.00 a 19.00 26.00 37.00 54.00 61.00 55.00 45.00 35.00 18.00 12.00 9.00
2001 16.00 15.00 22.00 26.00 33.00 44.00 57.00 56.00 42.00 33.00 15.00 13.00 13.00
2002 11.00 7.00 8.00 25.00 33.00 49.00 56.00 48.00 45.00 30.00 19.00 17.00 7.00
2003 18.00 18.00 21.00 25.00 31.00 48.00 60.00 58.00 49.00 27.00 15.00 5.00 5.00
2004 12.00 15.00 24.00 33.00 34.00 43.00 46.00 51.00 38.00 29.00 12.00 11.00 11.00
2005 18.00 22.00 26.00 27.00 34.00 ----- z 54.00 57.00 42.00 33.00 ----- z 7.00 7.00
2006 11.00 12.00 18.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 10.00 10.00
2007 4.00 18.00 13.00 30.00 35.00 46.00 59.00 62.00 ----- z 26.00 19.00 12.00 4.00
2008 8.00 14.00 ----- z 26.00 33.00 43.00 56.00 58.00 47.00 27.00 18.00 16.00 8.00
2009 15.00 16.00 22.00 ----- z 40.00 46.00 62.00 57.00 45.00 ----- z ----- z ----- z 15.00
2010 16.00 24.00 23.00 26.00 28.00 45.00 57.00 60.00 43.00 34.00 8.00 11.00 8.00
2011 9.00 -2.00 19.00 23.00 a 29.00 46.00 59.00 63.00 c 47.00 31.00 20.00 ----- z -2.00
2012 14.00 16.00 19.00 26.00 36.00 49.00 59.00 56.00 46.00 0.00 17.00 13.00 0.00
2013 1.00 0.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 0.00
Period of Record Statistics
MEAN 11.37 13.75 18.61 25.32 32.20 42.28 54.80 53.91 42.12 27.72 16.04 10.78 7.52
S.D. 4.89 5.33 4.50 3.82 4.22 4.75 5.28 5.36 4.14 5.91 4.52 4.70 4.43
SKEW -0.59 -0.76 -0.35 -0.47 0.08 0.11 -0.56 -0.59 0.18 -1.66 -0.15 -0.36 -0.37
MAX 19.00 24.00 28.00 35.00 44.00 54.00 63.00 63.00 53.00 39.00 25.00 22.00 17.00
MIN -2.00 -2.00 8.00 13.00 22.00 32.00 42.00 39.00 34.00 0.00 6.00 -2.00 -2.00
NO YRS 68 69 69 68 69 68 69 67 69 68 67 67 54