SUPERIOR s, z

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(028348)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200608
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
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 ----- 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 ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.00 34.00 30.00 30.00
1954 37.00 38.00 36.00 a 48.00 44.00 60.00 64.00 63.00 60.00 46.00 48.00 29.00 29.00
1955 29.00 25.00 29.00 43.00 48.00 55.00 65.00 66.00 63.00 55.00 40.00 35.00 25.00
1956 39.00 27.00 33.00 33.00 51.00 68.00 62.00 65.00 69.00 42.00 32.00 36.00 27.00
1957 34.00 37.00 35.00 40.00 45.00 59.00 69.00 67.00 63.00 46.00 35.00 40.00 34.00
1958 35.00 38.00 33.00 38.00 54.00 64.00 68.00 71.00 60.00 48.00 29.00 36.00 29.00
1959 36.00 36.00 40.00 49.00 46.00 66.00 66.00 61.00 62.00 41.00 45.00 32.00 32.00
1960 26.00 30.00 39.00 41.00 46.00 68.00 64.00 68.00 63.00 47.00 38.00 27.00 26.00
1961 40.00 39.00 40.00 43.00 48.00 59.00 68.00 64.00 61.00 41.00 34.00 34.00 34.00
1962 20.00 30.00 32.00 53.00 49.00 53.00 68.00 71.00 65.00 50.00 41.00 37.00 20.00
1963 22.00 36.00 34.00 38.00 53.00 58.00 72.00 63.00 67.00 52.00 41.00 34.00 22.00
1964 30.00 29.00 32.00 37.00 41.00 57.00 68.00 63.00 56.00 55.00 32.00 37.00 29.00
1965 32.00 29.00 35.00 37.00 47.00 56.00 67.00 67.00 51.00 48.00 38.00 32.00 29.00
1966 31.00 32.00 28.00 45.00 52.00 64.00 72.00 69.00 60.00 50.00 38.00 28.00 28.00
1967 32.00 35.00 37.00 31.00 43.00 54.00 63.00 66.00 62.00 51.00 40.00 30.00 30.00
1968 35.00 44.00 38.00 41.00 51.00 54.00 67.00 67.00 61.00 51.00 40.00 23.00 23.00
1969 31.00 34.00 34.00 49.00 44.00 61.00 70.00 68.00 63.00 46.00 36.00 31.00 31.00
1970 29.00 34.00 34.00 38.00 50.00 63.00 65.00 62.00 61.00 46.00 44.00 38.00 29.00
1971 24.00 29.00 24.00 36.00 46.00 51.00 70.00 62.00 59.00 37.00 41.00 30.00 24.00
1972 29.00 20.00 40.00 44.00 53.00 66.00 67.00 64.00 61.00 37.00 35.00 30.00 20.00
1973 30.00 37.00 33.00 38.00 42.00 58.00 66.00 67.00 61.00 33.00 34.00 34.00 30.00
1974 33.00 33.00 37.00 36.00 46.00 62.00 62.00 68.00 61.00 43.00 44.00 21.00 21.00
1975 20.00 26.00 32.00 33.00 43.00 63.00 66.00 62.00 60.00 45.00 d 36.00 35.00 20.00
1976 33.00 a 39.00 29.00 32.00 51.00 58.00 64.00 64.00 59.00 40.00 29.00 38.00 29.00
1977 32.00 34.00 33.00 35.00 a 49.00 65.00 65.00 68.00 62.00 50.00 41.00 a 39.00 32.00
1978 29.00 32.00 37.00 42.00 49.00 c 59.00 69.00 c 64.00 c 58.00 d 50.00 b 38.00 d 19.00 c 19.00
1979 26.00 b 34.00 a 39.00 b 39.00 b 44.00 a 60.00 a 70.00 63.00 a 58.00 43.00 a 35.00 34.00 d 26.00
1980 37.00 38.00 a 38.00 f 38.00 g 48.00 j 56.00 h ----- z 68.00 f 64.00 e 45.00 b 31.00 l 32.00 l 31.00
1981 33.00 h 34.00 d 38.00 f 29.00 b 53.00 67.00 66.00 b 61.00 a 60.00 b 47.00 c 38.00 e 38.00 f 29.00
1982 30.00 a 36.00 32.00 41.00 46.00 61.00 65.00 65.00 56.00 48.00 38.00 29.00 29.00
1983 32.00 36.00 39.00 36.00 51.00 59.00 68.00 66.00 59.00 55.00 32.00 37.00 32.00
1984 36.00 34.00 40.00 39.00 50.00 63.00 62.00 66.00 61.00 47.00 32.00 31.00 31.00
1985 28.00 25.00 35.00 41.00 50.00 58.00 68.00 62.00 55.00 48.00 35.00 32.00 25.00
1986 40.00 32.00 36.00 43.00 46.00 66.00 59.00 67.00 50.00 49.00 43.00 37.00 32.00
1987 25.00 32.00 35.00 43.00 51.00 69.00 68.00 67.00 64.00 58.00 40.00 24.00 24.00
1988 21.00 35.00 36.00 40.00 44.00 57.00 66.00 64.00 58.00 58.00 34.00 28.00 21.00
1989 31.00 30.00 33.00 48.00 52.00 65.00 68.00 68.00 61.00 49.00 42.00 38.00 30.00
1990 31.00 23.00 30.00 46.00 50.00 61.00 69.00 64.00 63.00 52.00 36.00 23.00 23.00
1991 33.00 38.00 31.00 41.00 50.00 57.00 70.00 67.00 65.00 39.00 35.00 32.00 31.00
1992 34.00 39.00 39.00 43.00 53.00 62.00 66.00 61.00 69.00 54.00 35.00 33.00 33.00
1993 36.00 39.00 38.00 48.00 53.00 53.00 71.00 70.00 m 62.00 i 51.00 38.00 36.00 36.00
1994 34.00 35.00 41.00 41.00 52.00 68.00 66.00 72.00 62.00 42.00 30.00 36.00 30.00
1995 32.00 44.00 37.00 37.00 j 38.00 55.00 70.00 66.00 63.00 57.00 44.00 37.00 32.00
1996 31.00 34.00 41.00 45.00 53.00 64.00 67.00 ----- z 64.00 t 40.00 37.00 31.00 31.00
1997 28.00 38.00 30.00 a 38.00 59.00 62.00 72.00 66.00 68.00 ----- z 43.00 30.00 28.00
1998 35.00 31.00 32.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 37.00 28.00 a 28.00
1999 36.00 35.00 39.00 31.00 47.00 52.00 66.00 a 67.00 66.00 49.00 41.00 37.00 31.00
2000 32.00 38.00 33.00 a 45.00 52.00 66.00 72.00 69.00 b 63.00 45.00 36.00 a 39.00 a 32.00
2001 31.00 31.00 39.00 34.00 51.00 64.00 67.00 65.00 a 71.00 55.00 b 38.00 31.00 31.00
2002 30.00 32.00 33.00 47.00 51.00 66.00 73.00 67.00 63.00 49.00 47.00 33.00 30.00
2003 39.00 37.00 a 38.00 41.00 50.00 66.00 68.00 68.00 65.00 56.00 38.00 27.00 27.00
2004 35.00 ----- z 39.00 46.00 58.00 61.00 68.00 67.00 56.00 e 44.00 30.00 33.00 30.00
2005 35.00 h 41.00 42.00 44.00 53.00 ----- z 72.00 66.00 64.00 51.00 31.00 b 39.00 h 31.00
2006 34.00 h 39.00 32.00 ----- z 58.00 72.00 67.00 68.00 ----- z ----- z ----- z ----- z 32.00
Period of Record Statistics
MEAN 31.42 33.90 35.16 40.59 49.14 61.10 67.27 65.76 61.47 47.67 37.46 32.22 27.93
S.D. 4.86 4.99 3.93 5.37 4.37 4.96 2.99 2.67 4.12 5.69 4.58 4.90 4.13
SKEW -0.53 -0.51 -0.39 -0.06 -0.13 -0.10 -0.28 0.05 -0.34 -0.28 0.16 -0.68 -0.60
MAX 40.00 44.00 42.00 53.00 59.00 72.00 73.00 72.00 71.00 58.00 48.00 40.00 34.00
MIN 20.00 20.00 24.00 29.00 38.00 51.00 59.00 61.00 50.00 33.00 29.00 19.00 20.00
NO YRS 50 52 51 49 51 50 51 49 49 51 52 50 41