(JUNE - AUGUST)
Year Total Year Total Year Total Year Total
1888 1.97* 1931 2.29 1974 4.68 2017 5.20
1889 3.25 1932 4.59 1975 6.48 2018 3.74
1890 3.13 1933 6.21 1976 4.30 2019 6.32
1891 4.17 1934 2.39 1977 6.74 2020 2.28
1892 6.29 1935 2.41 1978 3.41 2021 6.88
1893 5.31 1936 4.25 1979 7.02
1894 5.18 1937 2.21 1980 3.53
1895 9.92 1938 4.43 1981 3.99
1896 4.41 1939 .86 1982 8.81
1897 5.72 1940 2.22 1983 5.14
1898 2.45 1941 8.17 1984 8.93
1899 7.96 1942 5.56 1985 5.87
1900 2.01 1943 2.68 1986 6.34
1901 3.59 1944 4.38 1987 4.27
1902 4.66 1945 9.04 1988 4.53
1903 5.93 1946 6.55 1989 2.90
1904 9.00 1947 5.71 1990 8.22
1905 4.24 1948 5.96 1991 6.90
1906 3.18 1949 5.51 1992 7.02
1907 2.97 1950 5.35 1993 6.57
1908 2.67 1951 6.41 1994 6.72
1909 3.26 1952 2.96 1995 6.04
1910 5.54 1953 4.32 1996 6.84
1911 3.64 1954 3.08 1997 6.95
1912 6.59 1955 8.76 1998 4.03
1913 4.65 1956 2.60 1999 5.03
1914 8.00 1957 5.31 2000 4.88
1915 6.44 1958 3.05 2001 5.80
1916 5.17 1959 4.50 2002 1.57
1917 3.64 1960 4.45 2003 5.21
1918 2.53 1961 9.39 2004 6.22
1919 7.57 1962 3.21 2005 3.34
1920 3.98 1963 2.99 2006 7.15
1921 14.64 1964 3.56 2007 5.65
1922 1.51 1965 7.89 2008 5.18
1923 9.61 1966 3.72 2009 9.30
1924 1.33 1967 6.69 2010 4.94
1925 5.44 1968 5.60 2011 3.94
1926 3.79 1969 5.05 2012 1.22
1927 6.25 1970 3.11 2013 5.87 .
1928 3.02 1971 3.44 2014 5.40
1929 5.81 1972 4.93 2015 6.10
1930 7.56 1973 5.38 2016 3.15
HIGHEST LOWEST 1. 14.64 1921 1. .86 1939 2. 9.92 1895 2. 1.22 2012 3. 9.61 1923 3. 1.33 1924 4. 9.39 1961 4. 1.51 1922 5. 9.30 2009 5. 1.57 2002 6. 9.04 1945 6. 2.01 1900 7. 9.00 1904 7. 2.21 1937 8. 8.93 1984 8. 2.22 1940 9. 8.81 1982 9. 2.28 2020 10. 8.76 1955 10. 2.29 1931
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