WINONA sta,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(219067)

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201103
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
1893 31.00 42.00 54.00 73.00 82.00 a 95.00 98.00 96.00 92.00 86.00 76.00 45.00 d 98.00
1894 51.00 50.00 75.00 80.00 88.00 95.00 a 103.00 99.00 96.00 75.00 52.00 55.00 b 103.00
1895 35.00 a 53.00 62.00 83.00 94.00 91.00 94.00 94.00 95.00 68.00 70.00 b 51.00 95.00
1896 44.00 54.00 57.00 80.00 88.00 87.00 94.00 96.00 79.00 72.00 61.00 47.00 96.00
1897 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1899 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1902 43.00 49.00 65.00 88.00 88.00 83.00 90.00 87.00 80.00 73.00 66.00 41.00 90.00
1903 41.00 45.00 67.00 73.00 84.00 85.00 89.00 85.00 80.00 78.00 64.00 40.00 89.00
1904 40.00 a 41.00 a 55.00 82.00 84.00 84.00 92.00 91.00 86.00 78.00 68.00 46.00 92.00
1905 46.00 45.00 72.00 71.00 83.00 87.00 94.00 92.00 82.00 81.00 61.00 47.00 b 94.00
1906 44.00 50.00 46.00 80.00 81.00 90.00 b 91.00 b 91.00 90.00 76.00 65.00 42.00 91.00
1907 40.00 45.00 ----- z 64.00 85.00 89.00 88.00 95.00 88.00 78.00 64.00 44.00 95.00
1908 48.00 50.00 66.00 84.00 89.00 89.00 96.00 ----- z 94.00 79.00 59.00 46.00 96.00
1909 46.00 46.00 49.00 68.00 92.00 95.00 96.00 98.00 87.00 81.00 67.00 50.00 98.00
1910 42.00 43.00 84.00 91.00 79.00 102.00 101.00 93.00 87.00 85.00 48.00 47.00 102.00
1911 42.00 51.00 76.00 79.00 94.00 100.00 105.00 95.00 93.00 74.00 47.00 52.00 105.00
1912 29.00 42.00 54.00 79.00 85.00 97.00 97.00 97.00 96.00 87.00 64.00 51.00 97.00
1913 49.00 56.00 60.00 89.00 91.00 100.00 100.00 100.00 101.00 81.00 64.00 52.00 101.00
1914 47.00 48.00 61.00 79.00 92.00 90.00 96.00 95.00 89.00 81.00 70.00 50.00 96.00
1915 43.00 46.00 54.00 85.00 84.00 90.00 91.00 87.00 87.00 75.00 74.00 52.00 91.00
1916 48.00 50.00 60.00 68.00 85.00 84.00 98.00 97.00 88.00 86.00 72.00 56.00 98.00
1917 42.00 44.00 58.00 73.00 88.00 85.00 97.00 90.00 84.00 75.00 68.00 41.00 97.00
1918 35.00 52.00 72.00 72.00 92.00 91.00 96.00 97.00 83.00 86.00 69.00 51.00 97.00
1919 48.00 49.00 67.00 76.00 92.00 92.00 98.00 92.00 92.00 a 88.00 52.00 43.00 98.00
1920 39.00 38.00 75.00 74.00 87.00 94.00 90.00 94.00 91.00 82.00 50.00 50.00 94.00
1921 48.00 67.00 77.00 84.00 91.00 96.00 100.00 96.00 90.00 78.00 57.00 50.00 100.00
1922 42.00 45.00 65.00 73.00 91.00 95.00 89.00 98.00 102.00 88.00 63.00 53.00 102.00
1923 43.00 50.00 63.00 81.00 90.00 96.00 101.00 94.00 91.00 76.00 62.00 55.00 101.00
1924 42.00 43.00 55.00 77.00 76.00 88.00 92.00 92.00 82.00 80.00 69.00 45.00 92.00
1925 40.00 50.00 74.00 88.00 99.00 91.00 96.00 95.00 98.00 66.00 68.00 42.00 99.00
1926 41.00 52.00 64.00 80.00 87.00 91.00 99.00 96.00 90.00 73.00 60.00 41.00 99.00
1927 45.00 50.00 ----- z 81.00 ----- z ----- z ----- z ----- z 99.00 b 86.00 a 62.00 42.00 99.00
1928 51.00 51.00 79.00 74.00 c 95.00 88.00 94.00 a 96.00 85.00 84.00 57.00 46.00 96.00
1929 29.00 36.00 62.00 81.00 88.00 88.00 95.00 d 89.00 95.00 h 79.00 52.00 d 46.00 95.00
1930 48.00 a 63.00 75.00 84.00 ----- z 88.00 ----- z ----- z ----- z 85.00 69.00 44.00 a 88.00
1931 47.00 b 55.00 a 58.00 83.00 87.00 106.00 104.00 98.00 100.00 84.00 b 69.00 50.00 106.00
1932 46.00 55.00 67.00 a 78.00 93.00 95.00 102.00 93.00 85.00 81.00 60.00 a 55.00 102.00
1933 50.00 51.00 60.00 80.00 87.00 a 104.00 100.00 93.00 96.00 a 76.00 76.00 53.00 104.00
1934 52.00 55.00 66.00 85.00 107.00 a 101.00 ----- z 95.00 83.00 81.00 63.00 42.00 107.00
1935 39.00 44.00 65.00 78.00 79.00 92.00 a 98.00 94.00 89.00 83.00 57.00 43.00 98.00
1936 35.00 43.00 67.00 76.00 91.00 95.00 108.00 101.00 93.00 75.00 63.00 56.00 108.00
1937 42.00 45.00 55.00 74.00 92.00 97.00 97.00 98.00 98.00 78.00 62.00 41.00 98.00
1938 47.00 47.00 78.00 83.00 84.00 95.00 95.00 93.00 86.00 84.00 74.00 39.00 95.00
1939 52.00 45.00 75.00 85.00 96.00 94.00 99.00 94.00 100.00 79.00 70.00 60.00 100.00
1940 34.00 42.00 64.00 78.00 94.00 94.00 103.00 88.00 90.00 77.00 64.00 46.00 103.00
1941 38.00 45.00 61.00 81.00 88.00 95.00 95.00 95.00 89.00 72.00 70.00 56.00 95.00
1942 49.00 38.00 62.00 86.00 84.00 86.00 98.00 91.00 85.00 77.00 62.00 34.00 98.00
1943 40.00 48.00 79.00 79.00 90.00 100.00 96.00 a 93.00 87.00 81.00 57.00 53.00 h 100.00
1944 64.00 52.00 51.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 79.00 d 40.00 a 79.00
1945 40.00 49.00 81.00 81.00 84.00 93.00 102.00 ----- z 99.00 82.00 67.00 45.00 102.00
1946 45.00 51.00 80.00 87.00 84.00 95.00 93.00 96.00 83.00 81.00 62.00 59.00 96.00
1947 50.00 46.00 61.00 73.00 82.00 90.00 95.00 99.00 91.00 a 87.00 58.00 40.00 99.00
1948 41.00 52.00 73.00 85.00 94.00 91.00 96.00 103.00 92.00 73.00 70.00 56.00 103.00
1949 47.00 45.00 a 60.00 83.00 95.00 96.00 101.00 100.00 87.00 78.00 76.00 58.00 101.00
1950 46.00 43.00 51.00 74.00 91.00 95.00 93.00 96.00 d 91.00 88.00 84.00 43.00 96.00
1951 46.00 53.00 58.00 a 85.00 a 89.00 88.00 95.00 b 94.00 89.00 85.00 58.00 61.00 j 95.00
1952 41.00 51.00 a 58.00 96.00 92.00 96.00 97.00 94.00 96.00 85.00 69.00 47.00 97.00
1953 44.00 47.00 a 67.00 72.00 92.00 103.00 99.00 97.00 98.00 92.00 75.00 52.00 103.00
1954 43.00 60.00 61.00 89.00 89.00 98.00 97.00 91.00 90.00 74.00 68.00 42.00 98.00
1955 41.00 43.00 63.00 80.00 88.00 90.00 98.00 100.00 96.00 80.00 54.00 45.00 100.00
1956 38.00 41.00 54.00 68.00 88.00 98.00 93.00 92.00 85.00 83.00 66.00 48.00 98.00
1957 44.00 51.00 56.00 80.00 a 84.00 90.00 95.00 92.00 a 91.00 81.00 g 61.00 52.00 95.00
1958 43.00 63.00 62.00 81.00 85.00 89.00 93.00 94.00 87.00 85.00 a 67.00 a 44.00 94.00
1959 41.00 43.00 58.00 76.00 94.00 a 91.00 91.00 95.00 92.00 71.00 60.00 58.00 95.00
1960 43.00 49.00 67.00 89.00 82.00 84.00 93.00 90.00 94.00 83.00 60.00 56.00 94.00
1961 48.00 55.00 61.00 69.00 87.00 94.00 92.00 92.00 91.00 81.00 65.00 60.00 94.00
1962 46.00 47.00 64.00 86.00 90.00 91.00 91.00 91.00 85.00 85.00 55.00 61.00 91.00
1963 45.00 43.00 78.00 78.00 85.00 95.00 d 100.00 91.00 88.00 93.00 64.00 46.00 100.00
1964 53.00 51.00 63.00 87.00 92.00 97.00 102.00 101.00 90.00 81.00 76.00 39.00 102.00
1965 46.00 49.00 43.00 81.00 90.00 92.00 97.00 a 95.00 84.00 84.00 70.00 58.00 97.00
1966 42.00 54.00 73.00 70.00 93.00 94.00 98.00 94.00 90.00 83.00 58.00 47.00 98.00
1967 48.00 51.00 82.00 73.00 95.00 89.00 93.00 91.00 84.00 86.00 58.00 58.00 a 95.00
1968 53.00 50.00 76.00 a 81.00 86.00 93.00 91.00 96.00 89.00 85.00 72.00 61.00 96.00
1969 38.00 42.00 56.00 76.00 92.00 a 87.00 a 94.00 92.00 84.00 b 85.00 65.00 52.00 94.00
1970 40.00 48.00 48.00 b 89.00 91.00 a 98.00 95.00 95.00 b 88.00 84.00 56.00 60.00 98.00
1971 40.00 49.00 55.00 80.00 82.00 96.00 95.00 95.00 94.00 87.00 63.00 41.00 96.00
1972 44.00 42.00 56.00 78.00 91.00 90.00 91.00 97.00 87.00 76.00 59.00 48.00 97.00
1973 52.00 45.00 66.00 73.00 80.00 94.00 99.00 94.00 89.00 81.00 66.00 51.00 99.00
1974 50.00 47.00 ----- z 83.00 86.00 88.00 103.00 90.00 82.00 77.00 68.00 47.00 103.00
1975 42.00 42.00 51.00 67.00 92.00 92.00 96.00 95.00 86.00 86.00 74.00 58.00 96.00
1976 44.00 61.00 74.00 79.00 84.00 ----- z 98.00 97.00 95.00 92.00 ----- z 45.00 98.00
1977 35.00 c 55.00 67.00 87.00 a 90.00 95.00 99.00 93.00 86.00 70.00 64.00 44.00 a 99.00
1978 38.00 38.00 67.00 78.00 90.00 95.00 93.00 93.00 100.00 77.00 75.00 43.00 100.00
1979 28.00 42.00 48.00 78.00 87.00 89.00 a 91.00 92.00 89.00 77.00 69.00 57.00 92.00
1980 49.00 46.00 61.00 93.00 91.00 95.00 100.00 95.00 91.00 81.00 66.00 49.00 100.00
1981 57.00 68.00 71.00 79.00 83.00 90.00 83.00 z 91.00 89.00 70.00 68.00 a 42.00 91.00
1982 36.00 52.00 60.00 72.00 83.00 89.00 98.00 99.00 87.00 76.00 60.00 64.00 99.00
1983 38.00 49.00 65.00 ----- z 78.00 96.00 101.00 ----- z ----- z ----- z 65.00 38.00 101.00
1984 47.00 c 60.00 55.00 ----- z 83.00 93.00 92.00 ----- z 90.00 78.00 ----- z 59.00 93.00
1985 42.00 a 47.00 73.00 93.00 ----- z 96.00 99.00 94.00 a ----- z ----- z ----- z 34.00 99.00
1986 40.00 34.00 82.00 85.00 ----- z 93.00 96.00 89.00 89.00 74.00 61.00 38.00 96.00
1987 46.00 52.00 72.00 93.00 94.00 102.00 98.00 ----- z 89.00 77.00 66.00 50.00 102.00
1988 50.00 50.00 61.00 a 80.00 ----- z 104.00 102.00 102.00 ----- z 76.00 63.00 50.00 a 104.00
1989 52.00 50.00 77.00 a 75.00 86.00 94.00 98.00 96.00 85.00 82.00 57.00 50.00 98.00
1990 48.00 58.00 68.00 a 86.00 86.00 93.00 100.00 93.00 90.00 82.00 72.00 48.00 100.00
1991 42.00 50.00 75.00 90.00 89.00 ----- z 94.00 98.00 86.00 78.00 50.00 46.00 98.00
1992 46.00 47.00 63.00 77.00 90.00 90.00 85.00 91.00 84.00 85.00 53.00 39.00 a 91.00
1993 ----- z 41.00 65.00 74.00 84.00 86.00 89.00 93.00 86.00 84.00 59.00 50.00 93.00
1994 40.00 55.00 ----- z 88.00 88.00 94.00 90.00 91.00 91.00 75.00 63.00 49.00 94.00
1995 46.00 48.00 67.00 67.00 84.00 97.00 104.00 93.00 86.00 87.00 48.00 46.00 104.00
1996 52.00 54.00 63.00 75.00 89.00 96.00 95.00 92.00 90.00 78.00 58.00 37.00 96.00
1997 45.00 51.00 74.00 75.00 84.00 92.00 94.00 91.00 86.00 93.00 58.00 49.00 94.00
1998 49.00 55.00 74.00 81.00 93.00 91.00 93.00 91.00 91.00 75.00 64.00 65.00 93.00
1999 43.00 57.00 74.00 76.00 86.00 96.00 99.00 89.00 91.00 76.00 77.00 52.00 99.00
2000 44.00 62.00 80.00 81.00 87.00 91.00 92.00 93.00 88.00 83.00 73.00 36.00 93.00
2001 41.00 41.00 50.00 83.00 92.00 92.00 97.00 99.00 84.00 84.00 74.00 65.00 c 99.00
2002 55.00 52.00 58.00 92.00 92.00 94.00 97.00 92.00 93.00 79.00 65.00 53.00 97.00
2003 55.00 55.00 72.00 90.00 83.00 91.00 91.00 98.00 94.00 85.00 63.00 49.00 98.00
2004 43.00 53.00 67.00 87.00 86.00 92.00 91.00 90.00 86.00 79.00 71.00 54.00 92.00
2005 43.00 54.00 71.00 82.00 81.00 94.00 95.00 91.00 90.00 87.00 70.00 47.00 95.00
2006 52.00 52.00 63.00 80.00 92.00 89.00 99.00 95.00 83.00 85.00 72.00 51.00 99.00
2007 46.00 52.00 82.00 a 88.00 91.00 91.00 95.00 91.00 90.00 88.00 58.00 36.00 95.00
2008 49.00 41.00 52.00 77.00 80.00 90.00 91.00 89.00 91.00 80.00 77.00 48.00 91.00
2009 45.00 53.00 68.00 91.00 91.00 96.00 85.00 90.00 85.00 57.00 z ----- z ----- z 96.00
2010 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2011 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 44.17 49.09 64.93 80.20 88.09 92.90 95.93 94.00 89.48 80.58 64.44 48.56 97.38
S.D. 5.87 6.25 9.26 6.64 4.86 4.59 4.31 3.44 4.96 5.43 7.36 7.01 3.84
SKEW -0.06 0.41 0.01 -0.01 0.29 0.33 0.04 0.19 0.44 -0.11 -0.09 0.21 0.17
MAX 64.00 68.00 84.00 96.00 107.00 106.00 108.00 103.00 102.00 93.00 84.00 65.00 108.00
MIN 28.00 34.00 43.00 64.00 76.00 83.00 85.00 85.00 79.00 66.00 47.00 34.00 89.00
NO YRS 111 112 108 109 106 108 107 104 106 107 108 109 88