Year October November December January February March April May Total
2005-2006 0.0 2.8 12.5 2.3 8.1 6.3 0.0 0.0 32.0
2004-2005 0.0 0.0 4.5 12.7 3.1 5.9 0.0 0.0 26.2
2003-2004 0.0 0.1 2.9 8.9 14.3 1.0 0.0 0.0 27.2
2002-2003 0.0 0.0 0.0 6.4 8.8 4.5 3.3 0.0 23.0
2001-2002 0.0 0.0 0.7 10.5 4.9 12.9 3.6 0.0 32.6
2000-2001 0.0 5.7 25.7 2.2 8.8 0.2 1.0 0.0 43.6
1999-2000 0.0 0.0 1.5 17.0 7.5 2.0 0.0 0.0 28.0
1998-1999 0.0 0.0 5.8 16.0 2.0 0.0 0.0 0.0 23.8
1997-1998 1.5 1.0 1.0 10.6 1.7 10.8 0.0 0.0 26.6
1996-1997 0.0 1.5 14.1 12.5 8.0 13.5 2.1 0.0 51.7
1995-1996 0.0 12.0 6.0 24.5 0.2 3.5 3.0 0.0 49.2
1994-1995 0.0 1.0 4.0 15.0 6.5 12.0 0.0 0.0 38.5
1993-1994 0.0 0.2 0.4 19.3 4.8 2.5 0.0 0.0 27.2
1992-1993 0.0 0.0 8.1 11.0 5.9 5.3 5.0 0.0 35.3
1991-1992 0.0 6.0 7.6 0.3 8.0 9.8 0.3 0.0 32.0
1990-1991 0.0 2.5 15.4 10.4 5.3 0.6 1.0 0.0 35.2
1989-1990 0.0 0.0 4.7 4.3 6.0 1.7 0.0 0.0 16.7
1988-1989 0.0 5.8 0.0 0.3 6.1 23.1 0.1 0.0 35.4
1987-1988 0.0 0.1 11.5 14.8 3.9 2.0 0.0 0.0 32.3
1986-1987 0.0 8.1 2.3 9.3 0.2 7.5 0.3 0.0 27.7
1985-1986 0.0 14.0 20.1 8.3 11.8 6.0 0.2 0.0 60.4
1984-1985 0.0 0.0 10.9 16.0 5.3 6.2 3.0 0.0 41.4
1983-1984 0.0 - 10.4 9.1 0.9 5.2 0.0 0.0 25.6
1982-1983 0.0 0.0 - - - 10.1 1.5 0.0 11.6
1981-1982 0.0 0.0 - 0.0 0.0 - - 0.0 0.0
1980-1981 0.0 2.0 13.7 2.3 9.4 0.5 0.0 0.0 27.9
1979-1980 0.0 6.1 1.0 7.7 6.4 13.0 4.3 0.0 38.5
1978-1979 0.0 10.8 25.3 26.8 9.9 8.9 5.8 0.0 87.5
1977-1978 0.0 13.6 24.9 20.7 5.8 1.2 0.0 0.0 66.2
1976-1977 1.0 1.2 14.2 11.9 3.0 5.5 8.6 0.0 45.4
1975-1976 0.0 6.5 10.3 25.4 12.3 6.3 0.3 0.0 61.1
1974-1975 0.0 1.1 8.7 6.6 21.5 12.3 0.5 0.0 50.7
1973-1974 0.0 1.3 12.2 6.9 19.9 14.2 - 0.0 54.5
1972-1973 0.0 1.6 22.3 8.4 14.1 0.0 6.2 0.0 52.6
1971-1972 0.0 13.0 13.0 9.0 9.0 28.3 0.0 0.0 72.3
1970-1971 0.0 3.4 16.1 23.7 12.9 13.2 0.3 0.0 69.6
1969-1970 0.0 1.4 19.6 10.2 4.5 5.8 0.3 0.0 41.8
1968-1969 0.0 0.0 20.8 15.5 1.6 0.7 0.0 0.0 38.6
1967-1968 2.2 1.8 2.1 6.8 3.4 0.0 1.6 0.0 17.9
1966-1967 0.0 3.2 15.1 17.3 14.3 4.7 0.0 0.0 54.6
1965-1966 0.0 0.1 3.7 14.2 3.3 7.3 0.1 0.0 28.7
1964-1965 0.0 1.1 5.2 10.8 10.2 16.0 9.1 0.0 52.4
1963-1964 0.0 0.3 5.3 2.8 3.0 15.3 1.3 0.0 28.0
1962-1963 0.5 4.4 12.1 13.3 7.0 12.9 2.0 0.0 52.2
1961-1962 0.0 2.8 16.9 21.3 21.7 11.1 0.4 0.0 74.2
1960-1961 0.0 2.3 1.7 5.1 1.9 10.3 3.5 0.0 24.8
1959-1960 0.2 15.3 13.9 4.8 14.0 4.9 2.1 1.0 56.2
1958-1959 0.0 3.5 3.8 12.5 23.8 23.7 0.5 0.0 67.8
1957-1958 0.0 3.5 5.2 7.1 1.3 3.8 0.0 0.0 20.9
1956-1957 0.0 2.0 6.3 5.8 4.4 6.5 3.0 0.0 28.0
1955-1956 0.0 3.7 8.6 5.1 5.2 22.2 2.8 0.0 47.6
1954-1955 0.0 6.9 15.0 4.6 9.8 9.2 0.0 0.0 45.5
1953-1954 0.0 1.5 3.7 7.2 6.1 3.2 0.1 0.0 21.8
1952-1953 2.7 2.1 17.0 8.3 11.4 4.5 0.2 0.0 46.2
1951-1952 0.0 9.1 16.8 15.4 10.3 13.3 1.8 0.0 66.7
1950-1951 0.0 4.0 19.1 25.2 6.6 16.3 1.0 0.0 72.2
1949-1950 0.0 3.4 8.1 4.3 8.3 9.1 3.4 0.0 36.6
1948-1949 0.0 0.0 9.1 13.5 8.9 4.2 2.2 0.0 37.9
1947-1948 - 8.0 7.8 4.5 9.9 5.2 0.0 - 35.4
1946-1947 - 0.5 6.7 16.1 4.2 2.8 7.0 2.0 39.3
1945-1946 0.0 8.5 9.3 11.0 13.8 10.0 0.0 1.0 53.6
1944-1945 - 4.0 8.7 7.0 19.5 3.5 0.0 0.0 42.7
1943-1944 0.0 2.0 0.0 1.5 8.6 14.5 3.5 0.0 30.1
1942-1943 0.0 6.2 16.5 25.4 4.5 14.5 0.0 - 67.1
1941-1942 0.0 5.5 9.5 9.0 4.5 5.2 0.0 - 33.7
1940-1941 0.0 11.0 3.3 10.0 6.2 8.3 0.0 0.0 38.8
1939-1940 0.0 0.0 0.5 16.8 5.8 7.0 2.8 5.0 37.9
1938-1939 - 3.3 11.0 11.5 12.5 6.5 0.5 - 45.3
1937-1938 0.0 2.2 7.0 16.5 5.0 5.1 0.0 - 35.8
1936-1937 0.0 2.0 6.0 5.5 5.1 4.3 0.0 0.0 22.9
1935-1936 0.0 1.3 9.6 18.5 22.7 10.5 3.0 0.0 65.6
1934-1935 0.0 0.0 11.2 20.0 13.6 5.0 5.6 1.3 56.7
1933-1934 1.8 7.7 8.9 3.8 7.6 10.2 1.0 0.0 41.0
1932-1933 0.2 1.0 9.8 4.8 6.5 18.5 5.0 0.0 45.8
1931-1932 0.0 0.0 4.7 7.6 6.2 9.5 0.0 0.0 28.0
1930-1931 0.0 1.3 3.9 8.8 5.4 13.7 0.0 0.0 33.1
1929-1930 4.0 0.9 9.9 12.9 9.9 11.3 3.5 0.0 52.4
1928-1929 0.0 3.6 4.6 31.6 10.8 8.0 7.0 0.0 65.6
1927-1928 0.0 2.6 10.8 3.2 18.1 8.5 8.5 0.0 51.7
1926-1927 0.5 10.3 12.9 10.8 1.3 3.1 0.0 0.0 38.9
1925-1926 3.3 7.4 6.1 3.1 13.1 12.2 2.3 0.0 47.5
1924-1925 0.0 3.0 5.0 3.0 9.0 6.1 0.0 0.0 26.1
1923-1924 0.0 0.0 1.0 5.0 1.3 21.0 3.0 0.0 31.3
1922-1923 0.0 0.0 3.0 25.0 12.0 27.0 7.0 1.0 75.0
1921-1922 0.0 6.0 16.0 6.0 5.0 2.0 0.0 0.0 35.0
1920-1921 0.0 0.0 12.0 2.0 8.0 1.0 0.0 0.0 23.0
1919-1920 0.0 7.0 9.0 23.0 7.0 10.0 0.0 0.0 56.0
1918-1919 0.0 2.0 6.0 5.8 3.0 3.0 0.0 0.0 19.8
1917-1918 3.0 0.0 4.0 25.0 1.0 2.0 0.0 0.0 35.0
1916-1917 - 10.0 7.0 12.9 7.0 - 0.0 0.0 36.9
1915-1916 0.0 3.0 6.0 5.0 9.0 7.1 0.0 - 30.1
1914-1915 0.0 0.0 16.0 3.0 12.0 4.0 - - 35.0
1913-1914 1.0 2.0 0.0 7.0 8.0 3.0 6.0 0.0 27.0
1912-1913 0.0 1.0 1.0 12.0 6.0 7.0 1.0 - 28.0
1911-1912 0.0 10.0 13.0 7.0 2.0 6.0 0.0 - 38.0
1910-1911 0.0 3.0 11.0 8.0 3.0 1.0 6.0 0.0 32.0
1909-1910 0.0 1.0 2.4 13.0 7.0 0.0 11.0 - 34.4
1908-1909 - 0.0 8.0 1.0 11.0 9.5 8.0 0.0 37.5
1907-1908 - 0.0 9.0 16.0 6.2 3.0 - 0.0 34.2
1906-1907 0.0 0.0 3.0 6.5 2.0 2.0 - 28.3 41.8
1905-1906 - 5.0 1.0 10.0 5.0 0.0 1.0 0.0 22.0
1904-1905 0.0 0.0 12.0 17.0 8.8 1.0 3.0 - 41.8
1903-1904 0.0 3.3 10.5 3.4 16.0 - 10.0 - 43.2
1902-1903 - - 6.0 2.0 10.2 1.0 - 0.0 19.2
1901-1902 - - 4.0 9.0 - - - 2.0 15.0
1900-1901 - - - - - - - - 0.0
1899-1900 - - 4.8 0.0 0.0 - 1.0 - 5.8
1898-1899 2.0 3.5 - 6.5 - - - - 12.0
1897-1898 - - 0.7 - - - - - 0.7
1896-1897 2.5 37.5 26.0 19.6 0.0 10.5 7.5 - 103.6
1895-1896 1.7 14.2 14.5 24.0 10.0 3.7 0.0 - 68.1
1894-1895 - 2.0 3.0 15.7 0.0 - 1.0 1.0 22.7
1893-1894 - - 15.3 0.7 4.5 0.6 2.0 - 23.1