YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN SEASON 1883-84 0.0 0.0 0.0 0.0 0.0 4.4 14.2 0.0 8.7 8.0 0.0 0.0 35.3 1884-85 0.0 0.0 0.0 0.0 0.6 3.8 1.9 17.2 5.9 2.0 0.0 0.0 31.4 1885-86 0.0 0.0 0.0 0.0 0.0 0.0 13.0 15.3 2.0 0.0 0.0 0.0 30.3 1886-87 0.0 0.0 0.0 0.0 T 10.2 2.5 5.0 6.8 1.1 0.0 0.0 25.6 1887-88 0.0 0.0 0.0 0.0 0.0 12.0 8.8 3.9 7.4 0.0 0.0 0.0 32.1 1888-89 0.0 0.0 0.0 0.0 1.1 T 2.6 5.3 T T 0.0 0.0 9.0 1889-90 0.0 0.0 0.0 T 0.0 0.0 0.1 2.5 2.3 T 0.0 0.0 4.9 1890-91 0.0 0.0 0.0 T T 10.6 1.3 3.5 20.5 0.0 0.0 0.0 35.9 1891-92 0.0 0.0 0.0 0.0 T T 14.5 4.2 25.6 T 0.0 0.0 44.3 1892-93 0.0 0.0 0.0 0.0 2.2 4.3 8.1 11.7 4.0 0.0 0.0 0.0 30.3 1893-94 0.0 0.0 0.0 0.0 0.2 3.1 1.0 11.7 T 5.0 0.0 0.0 21.0 1894-95 0.0 0.0 0.0 0.0 T 3.0 5.0 9.3 0.6 0.0 0.0 0.0 17.9 1895-96 0.0 0.0 0.0 T T 0.2 1.0 2.8 13.8 T 0.0 0.0 17.8 1896-97 0.0 0.0 0.0 0.0 3.0 3.2 4.7 0.7 T 0.0 0.0 0.0 11.6 1897-98 0.0 0.0 0.0 0.0 T 2.6 5.4 0.0 2.4 0.1 0.0 0.0 10.5 1898-99 0.0 0.0 0.0 0.0 9.7 0.6 5.3 33.9 1.6 0.0 0.0 0.0 51.1 1899-90 0.0 0.0 0.0 0.0 0.0 0.7 2.5 13.0 9.5 T 0.0 0.0 25.7 1900-01 0.0 0.0 0.0 0.0 T T 6.5 2.1 0.1 0.0 0.0 0.0 8.7 1901-02 0.0 0.0 0.0 0.0 0.1 0.6 6.7 1.0 5.0 0.0 0.0 0.0 13.4 1902-03 0.0 0.0 0.0 0.0 0.0 7.0 6.8 6.0 0.0 0.0 0.0 0.0 19.8 1903-04 0.0 0.0 0.0 T 1.0 3.8 16.6 2.5 2.0 0.0 0.0 0.0 25.9 1904-05 0.0 0.0 0.0 0.0 3.0 17.1 15.0 5.4 0.2 T 0.0 0.0 40.7 1905-06 0.0 0.0 0.0 0.0 0.0 5.7 1.2 6.9 11.2 0.0 0.0 0.0 25.0 1906-07 0.0 0.0 0.0 0.0 T 0.2 7.3 15.9 7.7 T 0.0 0.0 31.1 1907-08 0.0 0.0 0.0 0.0 T 2.1 2.6 12.1 0.5 T 0.0 0.0 17.3 1908-09 0.0 0.0 0.0 0.0 4.8 7.5 4.4 3.3 11.7 T 0.0 0.0 31.7 1909-10 0.0 0.0 0.0 0.0 T 10.9 12.8 3.8 2.1 0.0 0.0 0.0 29.6 1910-11 0.0 0.0 0.0 0.0 1.0 12.1 4.7 8.9 8.4 T 0.0 0.0 35.1 1911-12 0.0 0.0 0.0 0.0 T T 13.9 T 8.5 0.0 0.0 0.0 22.4 1912-13 0.0 0.0 0.0 0.0 0.5 4.4 T 2.4 T T 0.0 0.0 7.3 1913-14 0.0 0.0 0.0 0.0 0.0 T T 11.4 11.6 0.0 0.0 0.0 23.0 1914-15 0.0 0.0 0.0 0.0 0.0 2.5 2.5 1.5 5.0 4.5 0.0 0.0 16.0 1915-16 0.0 0.0 0.0 0.0 T 4.3 1.5 5.7 2.5 5.0 0.0 0.0 19.0 1916-17 0.0 0.0 0.0 0.0 T 10.0 5.9 6.6 1.5 3.0 0.0 0.0 27.0 1917-18 0.0 0.0 0.0 T 2.0 8.3 21.9 2.4 T 0.0 0.0 0.0 34.6 1918-19 0.0 0.0 0.0 0.0 0.0 T 1.0 3.0 T T 0.0 0.0 4.0 1919-20 0.0 0.0 0.0 0.0 0.0 5.1 2.0 5.5 2.3 T 0.0 0.0 14.9 1920-21 0.0 0.0 0.0 0.0 T 0.5 0.2 7.2 0.0 T 0.0 0.0 7.9 1921-22 0.0 0.0 0.0 0.0 T 8.6 31.3 4.4 0.1 0.0 0.0 0.0 44.4 1922-23 0.0 0.0 0.0 0.0 T 2.5 6.0 4.3 6.2 0.5 T 0.0 19.5 1923-24 0.0 0.0 0.0 0.0 0.0 1.7 0.4 10.2 11.6 9.4 0.0 0.0 33.6 1924-25 0.0 0.0 0.0 0.0 0.2 T 18.7 T 0.3 0.0 0.0 0.0 19.2 1925-26 0.0 0.0 0.0 2.5 0.2 0.2 3.1 14.2 T 0.5 0.0 0.0 20.7 1926-27 0.0 0.0 0.0 0.0 T 0.7 0.9 5.6 T 1.3 0.0 0.0 8.5 1927-28 0.0 0.0 0.0 0.0 T T 14.3 0.1 1.7 T 0.0 0.0 16.1 1928-29 0.0 0.0 0.0 0.0 T 0.3 0.7 11.2 T T 0.0 0.0 12.2 1929-30 0.0 0.0 0.0 T 0.3 3.6 14.1 3.4 T T 0.0 0.0 21.4 1930-31 0.0 0.0 0.0 T T 1.6 1.1 0.7 10.0 T 0.0 0.0 13.4 1931-32 0.0 0.0 0.0 0.0 T 0.7 0.8 T 2.7 0.0 0.0 0.0 4.2 1932-33 0.0 0.0 0.0 0.0 T 14.7 0.1 10.6 2.5 T 0.0 0.0 27.9 1933-34 0.0 0.0 0.0 0.0 0.8 7.2 T 26.1 13.8 T 0.0 0.0 47.9 1934-35 0.0 0.0 0.0 0.0 T 0.1 18.7 8.1 1.3 1.0 0.0 0.0 29.2 1935-36 0.0 0.0 0.0 0.0 1.2 10.4 2.2 14.6 1.6 T 0.0 0.0 30.0 1936-37 0.0 0.0 0.0 0.0 T 2.8 0.0 8.5 14.3 T 0.0 0.0 25.6 1937-38 0.0 0.0 0.0 0.0 T 0.8 1.4 0.6 4.8 T 0.0 0.0 7.6 1938-39 0.0 0.0 0.0 0.0 8.5 0.4 8.0 0.2 0.2 T 0.0 0.0 17.3 1939-40 0.0 0.0 0.0 0.0 T 6.9 9.6 5.3 0.8 0.8 0.0 0.0 23.4 1940-41 0.0 0.0 0.0 1.3 T 0.2 5.5 4.8 12.1 0.0 0.0 0.0 23.9 1941-42 0.0 0.0 0.0 0.0 0.0 0.1 3.0 1.0 22.2 T 0.0 0.0 26.3 1942-43 0.0 0.0 0.0 0.0 0.0 5.1 2.3 2.1 14.7 T 0.0 0.0 24.2 1943-44 0.0 0.0 0.0 0.0 0.7 T 5.2 5.8 6.9 1.7 0.0 0.0 20.3 1944-45 0.0 0.0 0.0 0.0 T 3.8 9.8 3.7 0.0 0.0 0.0 0.0 17.3 1945-46 0.0 0.0 0.0 0.0 T 12.2 2.8 11.1 T 0.0 0.0 0.0 26.1 1946-47 0.0 0.0 0.0 0.0 0.0 3.2 6.6 12.5 2.8 0.0 0.0. 0.0 25.1 1947-48 0.0 0.0 0.0 0.0 T 4.1 8.9 10.4 T 0.0 0.0 0.0 23.4 1948-49 0.0 0.0 0.0 0.0 0.0 6.8 4.2 8.9 T 0.0 0.0 0.0 19.9 1949-50 0.0 0.0 0.0 0.0 T T 0.5 T 0.2 T 0.0 0.0 0.7 1950-51 0.0 0.0 0.0 0.0 0.5 2.5 2.5 0.7 T 0.0 0.0 0.0 6.2 1951-52 0.0 0.0 0.0 0.0 T 5.4 1.7 T 7.0 0.0 0.0 0.0 14.1 1952-53 0.0 0.0 0.0 T 2.8 3.0 2.4 T 3.6 T 0.0 0.0 11.8 1953-54 0.0 0.0 0.0 0.0 5.9 T 13.7 1.0 1.5 0.0 0.0 0.0 22.1 1954-55 0.0 0.0 0.0 T T 0.4 2.3 6.2 1.2 0.0 0.0 0.0 10.1 1955-56 0.0 0.0 0.0 0.0 2.0 0.5 8.4 0.4 7.8 0.0 0.0 0.0 19.1 1956-57 0.0 0.0 0.0 0.0 T 0.2 10.7 2.7 1.4 0.4 0.0 0.0 15.4 1957-58 0.0 0.0 0.0 0.0 T 9.5 1.5 18.3 13.7 0.0 0.0 0.0 43.0 1958-59 0.0 0.0 0.0 0.0 T 0.5 2.1 T 1.0 0.4 0.0 0.0 4.0 1959-60 0.0 0.0 0.0 0.0 0.0 1.5 0.3 10.7 21.6 0.0 0.0 0.0 34.1 1960-61 0.0 0.0 0.0 0.0 0.2 15.6 14.3 16.4 T 0.0 0.0 0.0 46.5 1961-62 0.0 0.0 0.0 0.0 3.2 7.2 2.0 9.2 13.6 0.0 0.0 0.0 35.2 1962-63 0.0 0.0 0.0 0.0 0.3 11.7 3.7 2.1 1.8 0.0 T 0.0 19.6 1963-64 0.0 0.0 0.0 0.0 T 9.7 10.3 18.2 13.2 0.4 0.0 0.0 51.8 1964-65 0.0 0.0 0.0 0.0 T 0.8 8.3 1.1 8.4 0.0 0.0 0.0 18.6 1965-66 0.0 0.0 0.0 0.0 0.0 T 21.4 11.4 0.0 T 0.0 0.0 32.8 1966-67 0.0 0.0 0.0 0.0 T 20.4 0.4 20.1 2.5 0.0 0.0 0.0 43.4 1967-68 0.0 0.0 0.0 0.0 8.4 4.6 2.5 2.6 5.3 0.0 0.0 0.0 23.4 1968-69 0.0 0.0 0.0 0.0 4.3 T 0.1 6.4 7.8 0.0 0.0 0.0 18.6 1969-70 0.0 0.0 0.0 0.0 T 9.0 6.1 4.0 1.9 T 0.0 0.0 21.0 1970-71 0.0 0.0 0.0 0.0 0.0 6.3 4.1 0.6 2.0 T 0.0 0.0 13.0 1971-72 0.0 0.0 0.0 0.0 1.0 T 1.1 11.4 0.2 0.3 0.0 0.0 14.0 1972-73 0.0 0.0 0.0 T T T T 1.2 T T 0.0 0.0 1.2 1973-74 0.0 0.0 0.0 0.0 0.0 8.3 1.2 7.6 T T 0.0 0.0 17.1 1974-75 0.0 0.0 0.0 0.0 T 0.4 5.1 5.5 1.2 T 0.0 0.0 12.2 1975-76 0.0 0.0 0.0 0.0 0.0 0.7 1.7 1.3 7.8 0.0 0.0 0.0 11.5 1976-77 0.0 0.0 0.0 0.0 1.1 1.5 8.5 T T T 0.0 0.0 11.1 1977-78 0.0 0.0 0.0 T 0.6 0.5 12.4 12.3 8.5 T 0.0 0.0 34.3 1978-79 0.0 0.0 0.0 0.0 3.7 0.0 5.7 33.1 T T 0.0 0.0 42.5 1979-80 0.0 0.0 0.0 0.3 T 0.1 4.7 3.8 5.7 0.0 0.0 0.0 14.6 1980-81 0.0 0.0 0.0 0.0 T 0.2 4.1 T 0.3 0.0 0.0 0.0 4.6 1981-82 0.0 0.0 0.0 0.0 T 2.4 14.8 7.6 0.7 T 0.0 0.0 25.5 1982-83 0.0 0.0 0.0 0.0 0.0 7.2 1.2 27.2 T T 0.0 0.0 35.6 1983-84 0.0 0.0 0.0 0.0 T T 8.4 T 6.1 T 0.0 0.0 14.5 1984-85 0.0 0.0 0.0 0.0 T 0.1 9.1 0.4 T 0.7 0.0 0.0 10.3 1985-86 0.0 0.0 0.0 0.0 0.0 0.7 1.9 13.0 T T 0.0 0.0 15.6 1986-87 0.0 0.0 0.0 0.0 0.0 T 25.1 10.1 T T 0.0 0.0 35.2 1987-88 0.0 0.0 0.0 0.0 6.0 0.5 13.7 0.2 T T 0.0 0.0 20.4 1988-89 0.0 0.0 0.0 0.0 0.0 0.9 6.0 1.1 0.3 0.0 0.0 0.0 8.3 1989-90 0.0 0.0 0.0 0.0 3.8 10.2 0.5 T 2.7 0.1 0.0 0.0 17.3 1990-91 0.0 0.0 0.0 0.0 0.0 4.8 4.2 0.1 0.3 0.0 0.0 0.0 9.4 1991-92 0.0 0.0 0.0 0.0 T T 2.2 1.9 T T 0.0 0.0 4.1 1992-93 0.0 0.0 0.0 0.0 T 1.5 1.4 8.8 12.7 T 0.0 0.0 24.4 1993-94 0.0 0.0 0.0 0.0 T 2.9 4.9 5.3 4.2 T 0.0 0.0 17.3 1994-95 0.0 0.0 0.0 0.0 0.2 0.0 0.3 7.5 0.2 0.0 0.0 0.0 8.2 1995-96 0.0 0.0 0.0 0.0 1.0 2.3 32.6 19.0 7.6 T 0.0 0.0 62.5 1996-97 0.0 0.0 0.0 0.0 0.3 0.2 5.0 7.1 2.7 T 0.0 0.0 15.3 1997-98 0.0 0.0 0.0 0.0 0.0 0.4 0.7 T 2.1 0.0 0.0 0.0 3.2 1998-99 0.0 0.0 0.0 0.0 0.0 3.0 4.0 0.6 7.6 0.0 0.0 0.0 15.2 1999-00 0.0 0.0 0.0 0.0 0.2 T 23.1 2.6 0.0 0.2 0.0 0.0 26.1 2000-01 0.0 0.0 0.0 0.0 T 1.3 3.7 3.7 T T 0.0 0.0 8.7 2001-02 0.0 0.0 0.0 0.0 0.0 0.0 2.3 T T 0.0 0.0 T 2.3 2002-03 0.0 0.0 0.0 0.0 0.0 9.7 5.3 40.5 2.6 T 0.0 0.0 58.1 2003-04 0.0 0.0 0.0 T 0.0 9.6 8.4 0.1 0.2 0.0 0.0 0.0 18.3 2004-05 0.0 0.0 0.0 0.0 0.0 T 7.6 10.0 0.4 0.0 0.0 0.0 18.0 2005-06 0.0 0.0 0.0 0.0 0.5 6.0 T 13.1 T T 0.0 0.0 19.6 2006-07 0.0 0.0 0.0 0.0 0.0 T 0.9 8.5 1.4 0.2 0.0 0.0 11.0 2007-08 0.0 0.0 0.0 0.0 T 4.8 2.4 1.3 8.5 2008-09 2009-10 YEAR JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN SEASON norm 0.0 0.0 0.0 T 0.6 1.7 7.0 6.4 2.4 0.1 0.0 0.0 18.2 1971-2000