YEAR(S) | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | ANN | |||||||||||||
1941-42 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 3.30 | 4.00 | 4.90 | 0.00 | 0.00 | 12.20 | ||||||
1942-43 | 0.00 | 0.00 | 0.60 | 2.20 | 2.70 | 9.20 | 3.30 | 8.60 | 10.50 | 0.00 | 0.00 | 0.00 | 37.10 | |||||||||||||
1943-44 | 0.00 | 0.00 | 0.00 | 0.00 | 1.30 | 0.90 | 5.80 | 1.90 | 13.60 | 0.00 | 0.30 | 0.00 | 23.80 | |||||||||||||
1944-45 | 0.00 | 0.00 | 0.00 | 0.00 | 5.30 | 3.10 | 3.70 | a | 8.40 | 1.00 | 4.10 | 0.40 | 0.00 | 26.00 | ||||||||||||
1945-46 | 0.00 | 0.00 | 0.00 | 0.00 | 1.90 | 7.90 | 3.30 | 10.10 | 4.30 | 7.40 | 0.50 | 0.00 | 35.40 | |||||||||||||
1946-47 | 0.00 | 0.00 | 0.00 | 0.00 | 4.90 | 7.10 | 2.70 | 3.00 | 5.20 | 6.60 | a | 0.00 | 0.00 | 29.50 | ||||||||||||
1947-48 | 0.00 | 0.00 | 0.00 | 0.00 | 19.00 | 5.50 | 7.30 | 15.80 | 7.10 | 1.20 | 0.00 | 0.00 | 55.90 | |||||||||||||
1948-49 | 0.00 | 0.00 | a | 0.00 | 0.00 | 9.80 | 3.80 | 12.30 | 5.60 | 2.10 | a | 0.00 | 0.00 | 0.00 | 33.60 | |||||||||||
1949-50 | 0.00 | 0.00 | 0.00 | 0.00 | 5.30 | 10.80 | 14.90 | 2.50 | 10.20 | 12.40 | 1.00 | 0.00 | 57.10 | |||||||||||||
1950-51 | 0.00 | 0.00 | 0.00 | 1.00 | 4.90 | 7.20 | 5.70 | 12.10 | 11.50 | 2.00 | 0.00 | 0.00 | 44.40 | |||||||||||||
1951-52 | 0.00 | 0.00 | 0.00 | 8.10 | 7.90 | 20.30 | 11.20 | 3.20 | 9.90 | 1.80 | 0.00 | 0.00 | 62.40 | |||||||||||||
1952-53 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 6.30 | 3.30 | 6.40 | 4.60 | 0.90 | 0.00 | 0.00 | 22.30 | |||||||||||||
1953-54 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 8.60 | 8.80 | 0.30 | 4.10 | a | 0.50 | 0.90 | 0.00 | 29.70 | ||||||||||||
1954-55 | 0.00 | 0.00 | 0.00 | a | 0.00 | 1.10 | 3.30 | 2.80 | 12.00 | 7.40 | 0.30 | 0.00 | 0.00 | 26.90 | ||||||||||||
1955-56 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 4.90 | 7.90 | 1.80 | 9.20 | 4.70 | 0.00 | 0.00 | 34.50 | |||||||||||||
1956-57 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 3.20 | 3.30 | 4.40 | 0.70 | 2.80 | 0.00 | 0.00 | 14.90 | |||||||||||||
1957-58 | 0.00 | 0.00 | 0.00 | a | 0.00 | 1.60 | 1.20 | 2.80 | 1.90 | 1.80 | 0.00 | 0.00 | 0.00 | 9.30 | ||||||||||||
1958-59 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 0.90 | 2.00 | 3.50 | 0.20 | 1.10 | 0.00 | 0.00 | 14.20 | |||||||||||||
1959-60 | 0.00 | 0.00 | 0.00 | 0.70 | 3.60 | 1.50 | 8.00 | 1.20 | 2.40 | 7.90 | 0.20 | 0.00 | 25.50 | |||||||||||||
1960-61 | 0.00 | 0.00 | 0.00 | 0.00 | 11.00 | 5.40 | 1.60 | 2.30 | 0.00 | 2.80 | 0.00 | 0.00 | 23.10 | |||||||||||||
1961-62 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 6.50 | 10.90 | 10.10 | 10.70 | 2.00 | 0.00 | 0.00 | 40.70 | |||||||||||||
1962-63 | 0.00 | 0.00 | 0.00 | 0.20 | 3.10 | 2.50 | 1.30 | 3.90 | 5.30 | 6.00 | 0.10 | 0.00 | 22.40 | |||||||||||||
1963-64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 4.30 | 8.40 | 6.20 | 8.40 | 9.20 | 0.00 | 0.00 | 36.90 | |||||||||||||
1964-65 | 0.00 | 0.00 | 0.00 | 0.00 | 2.70 | 11.90 | 1.20 | 1.70 | 13.10 | 2.50 | 0.00 | 0.00 | 33.10 | |||||||||||||
1965-66 | 0.00 | 0.00 | 0.00 | 0.00 | 6.10 | 6.10 | 5.00 | 1.10 | 15.40 | 5.00 | 0.00 | 0.00 | 38.70 | |||||||||||||
1966-67 | 0.00 | 0.00 | 0.00 | z | 1.20 | 1.30 | 3.40 | 15.10 | 2.60 | 4.90 | 5.00 | 0.00 | 0.00 | 33.50 | ||||||||||||
1967-68 | 0.00 | 0.00 | 0.00 | 0.70 | 0.70 | 10.30 | 4.00 | 2.40 | 2.00 | 11.60 | 0.40 | 0.00 | 32.10 | |||||||||||||
1968-69 | 0.00 | 0.00 | 0.00 | 0.80 | 3.90 | 11.40 | 14.50 | 7.80 | 3.00 | 0.00 | 0.00 | 0.00 | 41.40 | |||||||||||||
1969-70 | 0.00 | 0.00 | 0.00 | 2.00 | 1.90 | 9.50 | 2.30 | 3.60 | 9.10 | 12.80 | 0.00 | 0.00 | 41.20 | |||||||||||||
1970-71 | 0.00 | 0.00 | 0.00 | 0.90 | 6.40 | 8.30 | 16.90 | 4.80 | 1.80 | 1.00 | 0.00 | 0.00 | 40.10 | |||||||||||||
1971-72 | 0.00 | 0.00 | 0.00 | 3.80 | 2.30 | 10.00 | 9.50 | a | 10.90 | 7.10 | 3.10 | 0.00 | 0.00 | 46.70 | ||||||||||||
1972-73 | 0.00 | 0.00 | 0.00 | 3.80 | 1.70 | 18.50 | 1.70 | 1.40 | 1.40 | 2.40 | 0.00 | 0.00 | 30.90 | |||||||||||||
1973-74 | 0.00 | 0.00 | 0.00 | 0.00 | 3.90 | 12.30 | 6.10 | 7.10 | 10.50 | 2.70 | 0.00 | 0.00 | 42.60 | |||||||||||||
1974-75 | 0.00 | 0.00 | 0.00 | 0.40 | 1.00 | 5.10 | 18.30 | 5.90 | 18.70 | 3.70 | 0.00 | 0.00 | 53.10 | |||||||||||||
1975-76 | 0.00 | 0.00 | 0.00 | 0.40 | 3.80 | 1.90 | 14.00 | 6.20 | 14.00 | 0.00 | 0.10 | 0.00 | 40.40 | |||||||||||||
1976-77 | 0.00 | 0.00 | 0.00 | 0.10 | 2.70 | 5.50 | 12.60 | 10.70 | 4.60 | 2.10 | 0.00 | 0.00 | 38.30 | |||||||||||||
1977-78 | 0.00 | 0.00 | 0.00 | 0.00 | 24.20 | 7.20 | 4.60 | 3.90 | 10.10 | 2.80 | 0.00 | 0.00 | 52.80 | |||||||||||||
1978-79 | 0.00 | 0.00 | 0.00 | 0.00 | 8.50 | 11.70 | 7.80 | 22.20 | 4.30 | 2.70 | 0.80 | 0.00 | 58.00 | |||||||||||||
1979-80 | 0.00 | 0.00 | 0.00 | 1.40 | 6.00 | 1.50 | 17.30 | 7.20 | 9.20 | 0.00 | 0.00 | 0.00 | 42.60 | |||||||||||||
1980-81 | 0.00 | 0.00 | 0.00 | 0.50 | 1.10 | 4.60 | 2.10 | 4.50 | 0.30 | 0.00 | 0.00 | 0.00 | 13.10 | |||||||||||||
1981-82 | 0.00 | 0.00 | 0.00 | 2.30 | 2.20 | 9.90 | 30.00 | 10.90 | 14.00 | 0.20 | 0.00 | 0.00 | 69.50 | |||||||||||||
1982-83 | 0.00 | 0.00 | 0.00 | 0.00 | 6.80 | 0.30 | 3.80 | 2.00 | 7.40 | 2.90 | 0.00 | 0.00 | 23.20 | |||||||||||||
1983-84 | 0.00 | 0.00 | 0.00 | 0.00 | 5.30 | 11.80 | 11.50 | 3.10 | 7.70 | 0.50 | 0.00 | 0.00 | 39.90 | |||||||||||||
1984-85 | 0.00 | 0.00 | 0.00 | 0.00 | 1.40 | 7.40 | 3.70 | 3.10 | 12.60 | 0.00 | 0.00 | 0.00 | 28.20 | |||||||||||||
1985-86 | 0.00 | 0.00 | 0.00 | 0.00 | 24.30 | 10.40 | 11.20 | 6.70 | 0.70 | 3.70 | 0.00 | 0.00 | 57.00 | |||||||||||||
1986-87 | 0.00 | 0.00 | 0.00 | 0.00 | 5.30 | 3.80 | 2.80 | 10.40 | 1.20 | 0.00 | 0.00 | 0.00 | 23.50 | |||||||||||||
1987-88 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 6.60 | 24.30 | 4.40 | 6.20 | 0.00 | 0.00 | 0.00 | 44.50 | |||||||||||||
1988-89 | 0.00 | 0.00 | 0.00 | 0.00 | 11.60 | 14.90 | 31.50 | 2.30 | 12.40 | 0.90 | 0.00 | 0.00 | 73.60 | |||||||||||||
1989-90 | 0.00 | 0.00 | 0.00 | 0.00 | 17.10 | 2.60 | 0.80 | 7.90 | 11.50 | 7.20 | 0.00 | 0.00 | 47.10 | |||||||||||||
1990-91 | 0.00 | 0.00 | 0.00 | 1.30 | 0.20 | 12.40 | 6.00 | 15.30 | 10.90 | 4.20 | 0.00 | 0.00 | 50.30 | |||||||||||||
1991-92 | 0.00 | 0.00 | 0.00 | 0.30 | 5.20 | 5.90 | 10.50 | 2.10 | 0.20 | 3.30 | 0.00 | 0.00 | 27.50 | |||||||||||||
1992-93 | 0.00 | 0.00 | 0.00 | 1.80 | 16.40 | 9.20 | 16.70 | 3.30 | 6.40 | 0.00 | 0.00 | 0.00 | 53.80 | |||||||||||||
1993-94 | 0.00 | 0.00 | 0.00 | 0.00 | 21.50 | 13.80 | 18.00 | 12.80 | 12.10 | 10.90 | 0.00 | 0.00 | 89.10 | |||||||||||||
1994-95 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | 3.00 | 10.80 | 9.50 | 19.00 | 4.00 | 0.00 | 0.00 | 50.30 | |||||||||||||
1995-96 | 0.00 | 0.00 | 0.00 | 1.00 | 9.60 | 12.70 | 27.20 | 8.90 | 15.00 | 0.20 | 0.00 | 0.00 | 74.60 | |||||||||||||
1996-97 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 8.00 | 26.20 | 0.00 | z | 0.00 | 0.00 | 34.20 | |||||
1997-98 | 0.00 | 0.00 | 0.00 | 0.30 | 11.10 | 7.40 | 12.60 | 3.60 | 5.40 | 0.70 | 0.00 | 0.00 | 41.10 | |||||||||||||
1998-99 | 0.00 | 0.00 | 0.00 | 0.00 | 12.30 | 4.50 | 19.70 | 2.10 | 10.00 | 0.00 | 0.00 | 0.00 | 48.60 | |||||||||||||
1999-00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.30 | 6.50 | 11.40 | 5.60 | 6.20 | 0.00 | 0.00 | 34.00 | |||||||||||||
2000-01 | 0.00 | 0.00 | 0.00 | 0.00 | 15.30 | 13.40 | 2.70 | 11.60 | 1.50 | 8.00 | 0.00 | 0.00 | 52.50 | |||||||||||||
2001-02 | 0.00 | 0.00 | 0.00 | 5.40 | 11.20 | 5.00 | 3.80 | 1.90 | 15.70 | 6.30 | 0.00 | 0.00 | 49.30 | |||||||||||||
2002-03 | 0.00 | 0.00 | 0.00 | 1.90 | 1.80 | 10.90 | 4.40 | 3.10 | 7.70 | 3.60 | 0.00 | 0.00 | 33.40 | |||||||||||||
2003-04 | 0.00 | 0.00 | 0.00 | 0.50 | 4.90 | 14.40 | 17.00 | 5.90 | 10.60 | 0.50 | 0.00 | 0.00 | 53.80 | |||||||||||||
2004-05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 7.50 | 11.70 | 7.40 | 1.50 | 0.00 | 0.20 | 0.00 | 28.80 | |||||||||||||
2005-06 | 0.00 | 0.00 | 0.00 | 0.00 | 9.90 | 13.90 | 5.20 | 8.10 | 5.20 | 0.00 | 0.00 | 0.00 | 42.30 | |||||||||||||
2006-07 | 0.00 | 0.00 | 0.00 | 2.20 | 0.20 | 5.40 | 2.90 | 10.90 | 9.40 | 7.80 | 0.00 | 0.00 | 38.80 | |||||||||||||
2007-08 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 19.30 | 2.80 | 8.80 | 11.20 | 16.90 | 0.00 | 0.00 | 59.80 | |||||||||||||
2008-09 | 0.00 | 0.00 | 0.00 | 1.40 | 1.10 | 33.50 | 7.30 | 8.10 | 28.10 | 0.20 | 0.00 | 0.00 | 79.70 | |||||||||||||
2009-10 | 0.00 | 0.00 | 0.00 | 1.20 | 0.20 | 24.40 | 10.50 | 10.30 | 0.00 | 0.00 | 0.00 | 0.00 | 46.60 | |||||||||||||
2010-11 | 0.00 | 0.00 | 0.00 | 1.00 | 17.60 | 26.60 | 14.00 | 7.80 | 16.70 | 4.70 | 0.10 | 0.00 | a | 88.50 | ||||||||||||
2011-12 | 0.00 | a | 0.00 | 0.00 | z | 0.00 | 0.80 | 3.10 | 8.00 | a | 12.80 | 2.60 | 0.00 | a | 0.00 | 0.00 | 27.30 | |||||||||
2012-13 | 0.00 | a | 0.00 | 0.00 | 3.60 | 4.80 | 5.10 | 9.20 | 14.40 | 14.60 | 0.00 | z | 0.00 | z | 0.00 | z | 51.70 | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.00 | 0.00 | 0.01 | 0.75 | 5.85 | 8.39 | 9.02 | 6.55 | 7.96 | 3.27 | 0.07 | 0.00 | 41.79 | |||||||||||||
S.D. | 0.00 | 0.00 | 0.07 | 1.42 | 5.97 | 6.23 | 6.99 | 4.35 | 5.98 | 3.72 | 0.20 | 0.00 | 17.02 | |||||||||||||
SKEW | 0.00 | 0.00 | 8.06 | 2.97 | 1.48 | 1.61 | 1.24 | 0.89 | 0.92 | 1.45 | 3.31 | 0.00 | 0.69 | |||||||||||||
MAX | 0.00 | 0.00 | 0.60 | 8.10 | 24.30 | 33.50 | 31.50 | 22.20 | 28.10 | 16.90 | 1.00 | 0.00 | 89.10 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 0.80 | 0.30 | 0.00 | 0.00 | 0.00 | 0.00 | 9.30 | |||||||||||||
NO YRS | 70 | 70 | 68 | 70 | 70 | 70 | 70 | 72 | 72 | 70 | 71 | 71 | 67 |