Number of 90 degree + days by Month and Year
1870-1890 1891-1911 1912-1932 1933-1953
1954-1974 1975-1995 1996-Present Average

Number of 90 degree + days by Month and Year
Year Apr May Jun Jul Aug Sep Oct Total
1870 0 0 4 7 2 0 0 13
1871 0 1 2 1 0 0 0 4
1872 0 0 5 7 7 1 0 20
1873 0 0 2 6 0 0 0 8
1874 0 1 4 3 2 1 0 11
1875 0 0 4 0 0 0 0 4
1876 0 0 4 11 3 0 0 18
1877 0 0 0 1 1 0 0 2
1878 0 0 0 9 1 1 0 11
1879 0 0 3 5 2 0 0 10
1880 0 3 5 2 0 0 0 10
1881 0 2 0 1 5 3 0 11
1882 0 0 1 6 1 0 0 8
1883 0 0 2 5 0 0 0 7
1884 0 0 2 1 1 3 0 7
1885 0 0 1 10 1 0 0 12
1886 0 0 0 6 1 0 0 7
1887 0 0 1 10 0 0 0 11
1888 0 0 4 0 2 0 0 6
1889 0 1 1 0 0 0 0 2
1890 0 0 1 4 2 0 0 7

Number of 90 degree + days by Month and Year
Year Apr May Jun Jul Aug Sep Oct Total
1891 0 0 6 1 3 1 0 11
1892 0 0 4 8 2 0 0 14
1893 0 0 4 4 4 0 0 12
1894 0 0 3 7 0 1 0 11
1895 0 3 3 4 6 6 0 22
1896 1 3 2 7 10 0 0 23
1897 0 0 0 5 0 3 0 8
1898 0 0 2 9 4 6 0 21
1899 0 0 7 5 4 0 0 16
1900 0 1 2 8 8 1 0 20
1901 0 0 5 10 1 0 0 16
1902 0 0 0 1 0 0 0 1
1903 0 0 0 6 0 0 0 6
1904 0 0 3 5 0 0 0 8
1905 0 0 1 7 3 0 0 11
1906 0 1 4 2 2 1 0 10
1907 0 0 2 3 2 0 0 7
1908 0 0 1 7 4 0 0 12
1909 0 0 4 2 4 0 0 10
1910 0 0 2 4 0 1 0 7
1911 0 0 0 10 4 0 0 14

Number of 90 degree + days by Month and Year
Year Apr May Jun Jul Aug Sep Oct Total
1912 0 0 1 5 3 1 0 10
1913 0 0 1 6 4 0 0 11
1914 0 2 1 4 3 5 0 15
1915 2 0 0 4 0 5 0 11
1916 0 0 0 5 6 1 0 12
1917 0 0 0 4 2 0 0 6
1918 0 1 2 5 8 0 0 16
1919 0 1 2 7 1 2 0 13
1920 0 0 1 4 2 0 0 7
1921 0 0 4 8 1 1 0 14
1922 0 0 3 3 3 1 0 10
1923 0 0 8 3 3 0 0 14
1924 0 0 1 3 7 2 0 13
1925 0 1 9 4 3 0 0 17
1926 0 0 0 5 5 0 0 10
1927 1 0 0 6 0 1 1 9
1928 0 0 0 5 8 0 0 13
1929 0 1 5 9 2 4 0 21
1930 0 3 5 5 4 0 0 17
1931 0 3 4 5 5 5 0 22
1932 0 1 3 7 3 1 0 15

Number of 90 degree + days by Month and Year
Year Apr May Jun Jul Aug Sep Oct Total
1933 0 1 5 10 4 1 0 22
1934 0 1 3 11 0 0 0 15
1935 0 0 0 6 3 0 0 9
1936 0 4 1 10 10 1 0 26
1937 0 1 2 8 7 4 0 22
1938 0 0 2 3 9 0 1 15
1939 0 5 3 4 11 0 1 24
1940 0 0 3 12 1 1 0 17
1941 0 4 7 6 6 5 2 30
1942 1 1 0 3 3 4 0 12
1943 0 0 11 8 7 2 0 28
1944 0 1 5 17 11 3 0 37
1945 0 0 8 2 6 2 0 18
1946 0 0 4 4 0 1 0 9
1947 0 0 1 1 7 0 0 9
1948 0 0 2 6 5 0 0 13
1949 0 2 7 13 7 0 0 29
1950 0 0 4 2 0 0 0 6
1951 0 1 0 5 1 0 0 7
1952 0 0 6 14 1 3 0 24
1953 0 1 8 11 8 4 0 32

Number of 90 degree + days by Month and Year
Year Apr May Jun Jul Aug Sep Oct Total
1954 0 0 3 11 3 0 0 17
1955 0 1 0 14 10 0 0 25
1956 0 0 5 2 4 0 0 11
1957 0 0 5 10 3 2 0 20
1958 0 0 0 4 2 0 0 6
1959 0 3 5 3 13 3 0 27
1960 0 0 0 1 3 1 0 4
1961 0 0 3 12 6 8 0 29
1962 1 3 5 7 2 0 0 18
1963 0 0 5 11 0 0 0 16
1964 0 2 7 7 4 3 0 23
1965 0 4 5 4 1 1 0 15
1966 0 0 10 16 8 1 0 35
1967 0 0 5 3 1 0 0 9
1968 0 0 3 6 8 0 0 17
1969 0 2 3 5 4 1 0 15
1970 0 2 1 4 8 7 0 22
1971 0 0 5 6 5 1 0 17
1972 0 0 0 11 3 1 0 15
1973 0 0 4 4 6 4 0 18
1974 0 1 1 10 5 0 0 17

Number of 90 degree + days by Month and Year
Year Apr May Jun Jul Aug Sep Oct Total
1975 0 2 1 2 4 0 0 9
1976 3 0 6 2 4 0 0 15
1977 1 2 0 11 7 1 0 22
1978 0 1 2 3 5 0 0 11
1979 0 2 0 7 7 1 0 17
1980 0 2 1 11 15 3 0 32
1981 0 0 2 10 4 0 0 16
1982 0 0 0 11 0 0 0 11
1983 0 0 6 14 9 7 0 36
1984 0 0 6 1 3 0 0 10
1985 0 0 0 4 2 3 0 9
1986 0 3 2 6 0 0 0 11
1987 0 4 5 9 4 0 0 22
1988 0 1 8 13 10 0 0 32
1989 0 0 3 7 4 2 0 16
1990 2 0 0 6 4 0 0 12
1991 1 5 9 12 10 2 0 39
1992 0 2 0 4 3 0 0 9
1993 0 1 5 20 10 3 0 39
1994 0 1 7 9 2 0 0 19
1995 0 0 3 11 13 2 0 29

Number of 90 degree + days by Month and Year
Year Apr May Jun Jul Aug Sep Oct Total
1996 0 2 0 0 1 0 0 3
1997 0 0 5 5 2 0 0 12
1998 0 0 2 3 2 1 0 8
1999 0 0 6 18 3 0 0 27
2000 0 3 3 0 0 0 0 6
2001 0 3 2 2 8 0 0 15
2002 3 0 1 12 14 2 0 32
2003 0 0 4 2 2 0 0 8
2004 0 0 1 0 1 0 0 2
2005 0 0 4 8 9 2 0 23
2006 0 0 1 4 3 0 0 8
2007 0 2 2 2 4 0 0 10
2008 0 0 4 6 1 1 0 12
2009 2 0 0 0 5 0 0 7
2010 1 1 4 16 12 3 0 37
2011 0 0 3 14 3  0 20
2012 0 0 5 10 3  0 18
2013 0 2 3 10 1  1 17

Average Number of 90 degree + days by Month and Year
  Apr May Jun Jul Aug Sep Oct Total
Average 0.1 0.7 2.9 6.1 3.9 1.2 0.0 14.9

Updated Aug 31, 2012