| YEAR(S) | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | ANN | |||||||||||||
| 1935-36 | ----- | z | ----- | z | ----- | z | ----- | z | 8.70 | 6.80 | ----- | z | ----- | z | 7.40 | ----- | z | ----- | z | ----- | z | 22.90 | i | |||
| 1936-37 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1937-38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1938-39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1939-40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1940-41 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | 9.10 | ----- | z | 0.00 | ----- | z | 9.40 | i | |||
| 1941-42 | ----- | z | ----- | z | 0.00 | 2.10 | 3.70 | 0.30 | 2.00 | 0.60 | 17.00 | 2.40 | 2.50 | 0.00 | 30.60 | b | ||||||||||
| 1942-43 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.30 | 3.00 | 13.00 | ----- | z | 0.00 | ----- | z | 19.30 | h | ||||
| 1943-44 | ----- | z | ----- | z | ----- | z | 0.00 | 1.00 | 1.00 | 3.00 | 4.00 | 9.30 | 0.00 | ----- | z | ----- | z | 18.30 | e | |||||||
| 1944-45 | 0.00 | ----- | z | ----- | z | ----- | z | 16.00 | 0.00 | 3.60 | 3.30 | 0.50 | 5.90 | ----- | z | ----- | z | 29.30 | e | |||||||
| 1945-46 | ----- | z | ----- | z | ----- | z | ----- | z | 8.00 | 10.70 | 2.90 | 6.50 | r | 2.80 | ----- | z | ----- | z | ----- | z | 24.40 | h | ||||
| 1946-47 | ----- | z | ----- | z | ----- | z | 11.80 | 1.00 | 5.00 | 7.00 | 4.50 | 3.00 | ----- | z | ----- | z | ----- | z | 32.30 | f | ||||||
| 1947-48 | ----- | z | ----- | z | ----- | z | ----- | z | 7.90 | 4.00 | ----- | z | 11.60 | w | 5.90 | ----- | z | ----- | z | ----- | z | 17.80 | i | |||
| 1948-49 | 0.00 | e | 0.00 | 0.00 | 0.00 | 6.80 | 21.80 | 15.90 | 9.80 | 8.20 | 0.20 | 0.00 | 0.00 | 62.70 | ||||||||||||
| 1949-50 | 0.00 | 0.00 | 0.00 | 3.30 | 5.50 | a | 19.00 | 19.60 | 2.30 | 15.90 | 14.40 | 18.00 | 0.00 | 98.00 | ||||||||||||
| 1950-51 | 0.00 | 0.00 | 0.00 | 7.00 | 10.30 | 13.10 | 11.60 | 8.50 | 10.40 | 0.00 | 0.00 | 0.00 | 60.90 | |||||||||||||
| 1951-52 | 0.00 | 0.00 | 0.00 | 0.00 | 5.60 | 5.60 | 12.70 | 2.50 | 9.60 | 0.00 | a | 0.00 | 0.00 | 36.00 | ||||||||||||
| 1952-53 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 1.60 | a | 7.40 | a | 1.70 | 11.30 | a | 0.00 | b | 0.00 | a | 0.00 | 22.40 | ||||||||
| 1953-54 | 0.00 | 0.00 | 0.00 | 0.00 | 1.70 | 10.40 | 19.40 | 1.30 | 11.80 | 3.50 | a | 0.00 | 0.00 | 48.10 | ||||||||||||
| 1954-55 | 0.00 | 0.00 | 0.00 | 0.30 | 2.20 | 0.00 | 7.40 | 8.00 | 15.90 | 3.00 | 0.00 | 0.00 | 36.80 | |||||||||||||
| 1955-56 | 0.00 | 0.00 | 0.00 | 4.00 | 19.80 | a | 7.00 | 17.70 | 5.80 | 20.00 | a | 1.10 | 5.00 | 0.00 | 80.40 | |||||||||||
| 1956-57 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 5.00 | 1.50 | 2.50 | 1.50 | a | 0.00 | a | 0.00 | 0.00 | 10.50 | a | |||||||||
| 1957-58 | 0.00 | 0.00 | 0.00 | 2.00 | 5.00 | 4.00 | 4.80 | 0.50 | 0.30 | a | 0.00 | 0.00 | 0.00 | 16.60 | ||||||||||||
| 1958-59 | 0.00 | 0.00 | 0.00 | 0.00 | 22.00 | 3.90 | 6.30 | 6.00 | 0.50 | 0.00 | b | 0.00 | 0.00 | 38.70 | ||||||||||||
| 1959-60 | 0.00 | 0.00 | 0.00 | 11.00 | 6.00 | 2.80 | 15.70 | 0.50 | 3.20 | 2.00 | 0.00 | 0.00 | 41.20 | |||||||||||||
| 1960-61 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 10.20 | 3.60 | 6.20 | 0.00 | 5.50 | 0.00 | 0.00 | 28.00 | |||||||||||||
| 1961-62 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 14.20 | 8.10 | 4.20 | 15.10 | 0.00 | 0.00 | 0.00 | 44.60 | |||||||||||||
| 1962-63 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 0.00 | 5.70 | 2.30 | 6.00 | 0.00 | ----- | z | 20.50 | a | |||||||||||
| 1963-64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 7.60 | 5.20 | 4.80 | 18.00 | 6.50 | 0.00 | 0.00 | 42.30 | |||||||||||||
| 1964-65 | 0.00 | 0.00 | 0.00 | 0.00 | 4.60 | 12.70 | 4.70 | 0.00 | 3.00 | 5.00 | 0.00 | 0.00 | 30.00 | |||||||||||||
| 1965-66 | 0.00 | 0.00 | 0.00 | 0.00 | 8.10 | 11.20 | 6.30 | 3.50 | 19.00 | a | 12.50 | 0.00 | 0.00 | 60.60 | ||||||||||||
| 1966-67 | 0.00 | 0.00 | 0.00 | 0.00 | a | 3.20 | 3.30 | 17.70 | 7.20 | 5.00 | 8.80 | 8.00 | 0.00 | 53.20 | ||||||||||||
| 1967-68 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | 14.00 | 8.60 | 2.30 | 1.80 | 4.00 | 0.00 | 0.00 | 31.40 | |||||||||||||
| 1968-69 | 0.00 | 0.00 | 0.00 | 0.00 | 7.00 | 6.40 | 30.10 | a | 0.00 | k | 0.60 | e | 0.00 | 0.00 | 0.00 | 44.10 | a | |||||||||
| 1969-70 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | 12.60 | 10.10 | 6.10 | 1.50 | g | 17.80 | 0.00 | 0.00 | 46.60 | a | ||||||||||
| 1970-71 | 0.00 | 0.00 | 0.00 | 0.00 | 5.00 | 11.10 | 20.00 | 1.50 | 16.50 | 4.60 | 0.00 | 0.00 | 58.70 | |||||||||||||
| 1971-72 | 0.00 | 0.00 | 0.00 | 5.00 | 0.00 | a | 1.50 | 5.00 | 8.30 | 14.50 | 3.50 | 0.00 | 0.00 | 37.80 | ||||||||||||
| 1972-73 | 0.00 | 0.00 | 4.50 | 8.00 | 1.30 | 5.50 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 20.30 | |||||||||||||
| 1973-74 | 0.00 | 0.00 | 0.00 | 0.00 | 12.00 | 5.60 | 6.00 | 6.50 | 1.00 | ----- | z | 0.00 | 0.00 | 31.10 | a | |||||||||||
| 1974-75 | 0.00 | 0.00 | 0.00 | 4.50 | 0.00 | 10.00 | 8.00 | a | ----- | z | 10.50 | 2.50 | ----- | z | ----- | z | 35.50 | c | ||||||||
| 1975-76 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.30 | 6.00 | ----- | z | 0.00 | 0.00 | 0.00 | 8.30 | g | |||||
| 1976-77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.50 | ----- | z | 1.80 | 1.50 | 0.00 | l | 0.00 | h | 0.00 | 6.80 | c | |||||||||
| 1977-78 | 0.00 | 0.00 | 0.00 | 0.00 | 10.00 | 10.00 | 1.00 | 2.50 | 4.50 | ----- | z | 0.00 | 0.00 | 28.00 | a | |||||||||||
| 1978-79 | 0.00 | 0.00 | 0.00 | 0.00 | 9.50 | 7.30 | 3.00 | 14.50 | 13.00 | 9.00 | 2.00 | 0.00 | 58.30 | |||||||||||||
| 1979-80 | 0.00 | 0.00 | 0.00 | 0.00 | 4.50 | 1.00 | 10.00 | 5.50 | 2.00 | 0.00 | 0.00 | 0.00 | 23.00 | |||||||||||||
| 1980-81 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 5.50 | 10.50 | 6.30 | 0.00 | 0.00 | 0.00 | 0.00 | 23.30 | |||||||||||||
| 1981-82 | 0.00 | 0.00 | 0.00 | 5.80 | 7.50 | 2.00 | 15.60 | a | 2.10 | c | 4.50 | ----- | z | 0.00 | 0.00 | 37.50 | a | |||||||||
| 1982-83 | 0.00 | 0.00 | 0.00 | 0.00 | 4.80 | 2.30 | 3.50 | 1.50 | a | 0.00 | y | 0.00 | 0.50 | 0.00 | 12.60 | a | ||||||||||
| 1983-84 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | 2.50 | 10.90 | a | 3.00 | 8.00 | 12.50 | b | 0.00 | 0.00 | 40.90 | |||||||||||
| 1984-85 | 0.00 | 0.00 | 0.00 | 2.00 | 2.00 | 2.30 | 4.00 | 1.50 | 9.00 | 0.00 | 0.00 | 0.00 | 20.80 | |||||||||||||
| 1985-86 | 0.00 | 0.00 | 0.00 | 11.00 | 25.50 | 4.00 | 0.00 | b | ----- | z | 0.00 | 0.00 | e | 0.00 | 0.00 | 40.50 | a | |||||||||
| 1986-87 | 0.00 | 0.00 | 0.00 | 0.00 | 17.80 | a | ----- | z | 4.50 | 12.80 | 4.80 | 0.00 | 0.00 | 0.00 | 39.90 | a | ||||||||||
| 1987-88 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 4.50 | 3.50 | a | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 9.00 | ||||||||||||
| 1988-89 | 0.00 | 0.00 | 0.00 | 1.50 | 5.00 | ----- | z | 22.50 | 1.00 | 3.50 | 0.00 | 0.00 | 0.00 | 33.50 | a | |||||||||||
| 1989-90 | 0.00 | 0.00 | 0.00 | 0.00 | 7.00 | 1.00 | 2.80 | 1.80 | 8.30 | 3.30 | 0.00 | 0.00 | 24.20 | |||||||||||||
| 1990-91 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 11.00 | 2.00 | 13.00 | 5.50 | 0.00 | a | 9.00 | 0.00 | 40.50 | ||||||||||||
| 1991-92 | 0.00 | 0.00 | 0.00 | 13.00 | a | 1.00 | 6.50 | a | 1.80 | 7.50 | 0.00 | a | 4.00 | a | 0.00 | 0.00 | 33.80 | |||||||||
| 1992-93 | 0.00 | 0.00 | 0.00 | 0.00 | 11.00 | a | 16.50 | b | 10.50 | ----- | z | 16.00 | c | 0.00 | 0.00 | 0.00 | 54.00 | a | ||||||||
| 1993-94 | 0.00 | 0.00 | 0.00 | 0.00 | a | 8.50 | 6.50 | 9.50 | 6.00 | ----- | z | 0.00 | 0.00 | 0.00 | 30.50 | a | ||||||||||
| 1994-95 | 0.00 | 0.00 | 0.00 | 0.00 | 5.00 | a | 11.00 | 5.00 | 5.00 | 15.50 | 0.00 | 0.00 | 0.00 | 41.50 | ||||||||||||
| 1995-96 | 0.00 | 0.00 | 1.00 | 0.00 | 6.00 | b | 11.50 | 28.20 | b | 3.10 | 11.20 | a | 0.00 | 0.00 | 0.00 | 61.00 | ||||||||||
| 1996-97 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | i | |||
| 1997-98 | ----- | z | ----- | z | ----- | z | 0.00 | p | 5.00 | l | 6.00 | 11.00 | 11.00 | c | 2.00 | a | 0.20 | 0.00 | 0.00 | 30.20 | e | |||||
| 1998-99 | 0.00 | 0.00 | 0.00 | 0.00 | 22.50 | a | 3.00 | b | 13.00 | b | 9.00 | a | 11.00 | 13.00 | 0.00 | 0.00 | 71.50 | |||||||||
| 1999-00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.40 | a | 5.00 | f | 5.00 | a | 0.00 | 6.00 | 0.00 | 0.00 | 16.40 | a | |||||||||
| 2000-01 | 0.00 | 0.00 | 0.00 | 4.00 | 16.50 | d | 11.50 | b | 0.00 | 7.00 | 1.00 | 5.50 | 0.00 | 0.00 | 45.50 | |||||||||||
| 2001-02 | 0.00 | 0.00 | 0.00 | ----- | z | 1.00 | y | ----- | z | 3.50 | b | 1.00 | c | 9.00 | a | 11.50 | a | 4.50 | 0.00 | 29.50 | c | |||||
| 2002-03 | 0.00 | 0.00 | 0.00 | 5.00 | c | 1.00 | a | 8.50 | a | 3.00 | b | 4.50 | 17.50 | 13.00 | 0.00 | 0.00 | 52.50 | |||||||||
| 2003-04 | 0.00 | 0.00 | 0.00 | 3.50 | 13.00 | a | 4.80 | b | ----- | z | 4.00 | e | 6.00 | 0.00 | 2.00 | 0.00 | 33.30 | a | ||||||||
| 2004-05 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 6.50 | 16.00 | a | 1.00 | 5.50 | ----- | z | 0.00 | a | 0.00 | 31.00 | a | |||||||||
| 2005-06 | 0.00 | 0.00 | 0.00 | 8.00 | a | 12.50 | w | 8.80 | w | ----- | z | 14.80 | a | 6.70 | g | 0.00 | a | 0.00 | 0.00 | 22.80 | d | |||||
| 2006-07 | 0.00 | 0.00 | 0.00 | 3.00 | ----- | z | ----- | z | ----- | z | ----- | z | 8.50 | b | 1.00 | 0.00 | ----- | z | 12.50 | e | ||||||
| 2007-08 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2008-09 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2009-10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2010-11 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2011-12 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2012-13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2013-14 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2014-15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2015-16 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2016-17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2017-18 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.09 | 2.01 | 6.17 | 6.93 | 8.35 | 4.64 | 7.31 | 3.36 | 0.87 | 0.00 | 42.70 | |||||||||||||
| S.D. | 0.00 | 0.00 | 0.60 | 3.45 | 6.26 | 4.82 | 7.03 | 3.68 | 6.00 | 4.64 | 2.89 | 0.00 | 19.15 | |||||||||||||
| SKEW | 0.00 | 0.00 | 6.95 | 1.78 | 1.33 | 0.82 | 1.15 | 0.99 | 0.45 | 1.39 | 4.34 | 0.00 | 0.71 | |||||||||||||
| MAX | 0.00 | 0.00 | 4.50 | 13.00 | 25.50 | 21.80 | 30.10 | 14.80 | 20.00 | 17.80 | 18.00 | 0.00 | 98.00 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 9.00 | |||||||||||||
| YRS | 58 | 57 | 58 | 58 | 59 | 59 | 59 | 59 | 62 | 56 | 59 | 56 | 35 | |||||||||||||