| YEAR(S) | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | ANN | |||||||||||||
| 1931-32 | ----- | z | ----- | z | 0.00 | ----- | z | 13.10 | 5.50 | 14.00 | ----- | z | 3.00 | 2.00 | 0.00 | 3.00 | 40.60 | d | ||||||||
| 1932-33 | 0.00 | ----- | z | 0.00 | 1.50 | 0.50 | 16.00 | 15.50 | 11.80 | 4.50 | 3.00 | 0.50 | 0.00 | 53.30 | a | |||||||||||
| 1933-34 | 0.00 | 0.00 | 0.00 | ----- | z | 1.00 | 4.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 5.00 | b | ||||||||||
| 1934-35 | 0.00 | ----- | z | 0.50 | ----- | z | 10.50 | 12.90 | u | 18.30 | y | 10.30 | x | 14.80 | 7.10 | y | 0.00 | ----- | z | 25.80 | g | |||||
| 1935-36 | ----- | z | ----- | z | ----- | z | ----- | z | 5.90 | x | 6.00 | 21.00 | 12.80 | 10.00 | 1.50 | 0.00 | 0.00 | 51.30 | e | |||||||
| 1936-37 | ----- | z | 0.00 | ----- | z | ----- | z | 0.00 | 8.50 | 38.00 | 23.00 | 0.00 | ----- | z | ----- | z | 0.00 | 69.50 | e | |||||||
| 1937-38 | ----- | z | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 9.00 | 3.50 | 22.00 | 0.50 | ----- | z | ----- | z | 36.50 | c | |||||||||
| 1938-39 | 0.00 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | j | ||
| 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1941-42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1942-43 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1943-44 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1944-45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1945-46 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1946-47 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1947-48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1948-49 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1949-50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1950-51 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1951-52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | 0.00 | 0.00 | 0.00 | 35.00 | h | ||||
| 1952-53 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | a | 0.30 | d | 4.00 | 0.00 | 2.50 | b | 0.00 | 0.00 | 0.00 | 8.30 | ||||||||||
| 1953-54 | 0.00 | 0.00 | 0.00 | a | 0.00 | 3.60 | 11.90 | a | 4.00 | g | ----- | z | 2.30 | 0.20 | 0.00 | 0.00 | 18.00 | b | ||||||||
| 1954-55 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | ----- | z | ----- | z | ----- | z | 0.00 | b | 1.00 | 0.00 | 0.00 | 2.00 | c | ||||||||
| 1955-56 | 0.00 | 0.00 | 0.00 | 0.00 | 15.50 | 1.30 | x | 2.50 | e | 2.00 | b | ----- | z | ----- | z | ----- | z | 0.00 | a | 20.00 | d | |||||
| 1956-57 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 2.10 | ----- | z | 8.00 | b | ----- | z | 0.00 | c | ----- | z | 0.00 | 10.10 | c | ||||||
| 1957-58 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | c | 0.00 | i | 0.00 | s | 0.00 | u | 0.00 | d | 0.00 | c | 0.00 | 0.00 | 0.00 | c | ||||||
| 1958-59 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.50 | a | 0.00 | v | 2.20 | 1.00 | 3.70 | 0.00 | 8.40 | a | ||||||||||
| 1959-60 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 1.00 | a | ----- | z | ----- | z | 3.00 | 0.00 | 3.20 | 0.00 | 9.70 | b | |||||||||
| 1960-61 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | h | 0.00 | b | 0.00 | b | 0.20 | g | 0.00 | e | 0.00 | 0.00 | 0.00 | 0.00 | b | |||||||
| 1961-62 | 0.00 | 0.00 | 0.00 | 0.00 | 1.20 | 6.70 | 8.50 | 15.50 | 12.20 | 9.30 | 0.00 | a | 0.00 | 53.40 | ||||||||||||
| 1962-63 | 0.00 | 0.00 | 0.00 | 0.00 | 10.80 | 4.50 | 12.80 | 16.00 | 0.70 | ----- | z | 0.00 | 0.00 | 44.80 | a | |||||||||||
| 1963-64 | 0.00 | 0.00 | 0.00 | 0.00 | 9.70 | 4.40 | ----- | z | ----- | z | ----- | z | 10.00 | 0.00 | 0.00 | 24.10 | c | |||||||||
| 1964-65 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | d | ----- | z | 23.00 | 0.60 | 0.30 | ----- | z | 0.00 | 0.00 | 25.90 | b | |||||||||
| 1965-66 | 0.00 | 0.00 | 1.00 | 0.00 | 2.50 | a | 0.00 | d | 8.00 | a | 5.00 | 0.00 | 0.00 | 0.00 | 0.00 | 16.50 | ||||||||||
| 1966-67 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 4.50 | a | 15.00 | 6.00 | 2.00 | 10.00 | 0.00 | 0.00 | 40.50 | ||||||||||||
| 1967-68 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | ----- | z | ----- | z | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 8.00 | b | ||||||||||
| 1968-69 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | ----- | z | ----- | z | 0.00 | a | 0.00 | a | 0.00 | c | 0.00 | 0.00 | 0.00 | b | ||||||
| 1969-70 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | ----- | z | 0.00 | a | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | c | |||||||
| 1970-71 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 9.00 | c | ----- | z | 9.00 | 7.00 | 0.00 | 0.00 | 0.00 | 25.00 | a | |||||||||
| 1971-72 | 0.00 | 0.00 | 0.00 | b | 6.00 | ----- | z | ----- | z | ----- | z | ----- | z | 3.00 | 2.00 | 0.00 | 0.00 | 11.00 | d | |||||||
| 1972-73 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 6.00 | 0.00 | 2.00 | ----- | z | 0.00 | 0.00 | 8.00 | c | |||||||||
| 1973-74 | 0.00 | 0.00 | 0.00 | 0.00 | 5.00 | ----- | z | ----- | z | 2.50 | 13.00 | 4.00 | 0.00 | n | ----- | z | 24.50 | d | ||||||||
| 1974-75 | ----- | z | ----- | z | ----- | z | ----- | z | 1.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.80 | 0.00 | 5.30 | i | |||
| 1975-76 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | 7.80 | 12.00 | 18.50 | 2.90 | 0.00 | 0.00 | 0.00 | 47.70 | |||||||||||||
| 1976-77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.20 | 7.50 | 2.50 | 8.50 | 5.50 | 4.00 | 0.00 | 29.20 | |||||||||||||
| 1977-78 | 0.00 | 0.00 | 0.00 | 0.00 | 7.00 | 12.50 | 2.80 | c | 8.00 | 1.00 | 1.50 | 0.00 | 0.00 | 32.80 | ||||||||||||
| 1978-79 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 14.00 | 14.00 | a | 0.10 | 0.00 | 0.00 | 0.00 | 28.10 | a | ||||||||||
| 1979-80 | 0.00 | 0.00 | 0.00 | 0.00 | 8.00 | 3.00 | 7.00 | 2.00 | ----- | z | 0.00 | 0.00 | 0.00 | 20.00 | a | |||||||||||
| 1980-81 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.00 | 8.00 | 1.50 | 13.50 | 0.00 | 0.00 | 0.00 | 28.00 | |||||||||||||
| 1981-82 | 0.00 | 0.00 | 0.00 | 0.50 | 1.50 | 23.00 | d | 20.00 | a | 3.50 | 10.00 | 12.00 | 0.00 | w | 0.00 | 70.50 | a | |||||||||
| 1982-83 | 0.00 | 0.00 | 0.00 | 0.00 | 9.00 | a | 16.00 | 14.00 | b | 8.50 | 5.10 | 0.00 | 2.00 | 0.00 | 54.60 | |||||||||||
| 1983-84 | 0.00 | 0.00 | 0.00 | 0.00 | 8.00 | 23.00 | a | 7.00 | b | 8.00 | 11.00 | 4.00 | a | 1.00 | 0.00 | 62.00 | ||||||||||
| 1984-85 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 10.50 | a | 2.00 | 10.00 | 22.50 | b | 0.00 | 0.00 | 0.00 | 45.00 | a | |||||||||
| 1985-86 | 0.00 | 0.00 | 0.00 | 2.00 | 25.00 | 7.00 | 2.00 | 11.50 | 0.00 | 0.00 | 0.00 | 0.00 | 47.50 | |||||||||||||
| 1986-87 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 2.10 | c | 9.50 | a | 2.50 | 0.00 | a | 0.00 | 0.00 | 14.10 | b | |||||||
| 1987-88 | 0.00 | ----- | z | ----- | z | 0.00 | 1.00 | 5.00 | 12.00 | 1.00 | 3.50 | 3.00 | 0.00 | 0.00 | 25.50 | b | ||||||||||
| 1988-89 | 0.00 | b | 0.00 | 0.00 | 0.00 | 17.60 | b | 26.50 | e | 19.00 | a | 1.00 | 2.00 | c | 2.00 | 2.00 | 0.00 | 70.10 | ||||||||
| 1989-90 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 0.00 | 19.00 | 12.00 | a | 0.00 | 0.00 | 0.00 | 0.00 | 34.00 | ||||||||||||
| 1990-91 | ----- | z | 0.00 | 0.00 | 0.00 | 4.50 | a | 12.50 | 1.00 | 0.00 | 3.00 | 0.00 | b | 0.00 | 0.00 | 21.00 | a | |||||||||
| 1991-92 | 0.00 | 0.00 | 0.00 | 6.00 | 0.00 | 1.50 | 3.00 | b | 2.50 | 0.00 | 0.00 | 0.00 | 0.00 | 13.00 | ||||||||||||
| 1992-93 | 0.00 | 0.00 | ----- | z | 0.00 | 6.60 | d | 20.00 | a | 20.00 | 17.00 | b | 0.30 | 1.00 | 0.00 | 0.00 | 64.90 | a | ||||||||
| 1993-94 | 0.00 | 0.00 | 0.00 | 0.00 | 5.00 | 4.00 | 7.00 | b | 19.00 | c | 1.00 | 0.00 | 0.00 | 0.00 | 36.00 | |||||||||||
| 1994-95 | 0.00 | 0.00 | 0.00 | 0.00 | 22.00 | 14.00 | 8.00 | b | 0.00 | m | 10.00 | 2.00 | 0.00 | 0.00 | 56.00 | a | ||||||||||
| 1995-96 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 4.00 | 20.00 | b | 4.00 | a | 1.00 | a | 0.00 | 0.00 | 0.00 | 32.00 | ||||||||||
| 1996-97 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 15.00 | a | 15.00 | 0.00 | 3.00 | a | 2.00 | 1.00 | 0.00 | 36.00 | |||||||||||
| 1997-98 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 4.00 | c | 6.50 | 14.00 | 11.00 | 6.60 | 0.00 | a | 0.00 | 42.10 | ||||||||||
| 1998-99 | 0.00 | 0.00 | 0.00 | 0.00 | 1.10 | 5.00 | b | 1.00 | j | 20.50 | b | 5.00 | 5.00 | 0.00 | 0.00 | 36.60 | a | |||||||||
| 1999-00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 19.00 | 11.40 | a | 3.50 | 5.80 | 0.00 | 0.00 | 0.00 | 40.70 | ||||||||||||
| 2000-01 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | a | 4.50 | c | ----- | z | 0.00 | a | 2.00 | b | 2.00 | 0.00 | 0.00 | 11.50 | a | |||||||
| 2001-02 | 0.00 | a | 0.00 | 0.00 | 0.00 | 17.00 | a | 6.00 | k | 6.00 | b | 0.00 | a | 7.50 | a | 2.00 | 0.00 | 0.00 | 32.50 | a | ||||||
| 2002-03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 10.50 | e | 0.00 | a | 4.00 | 0.00 | 2.50 | 0.00 | 0.00 | 17.00 | |||||||||||
| 2003-04 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | 0.20 | x | 6.10 | a | 0.00 | 0.00 | 0.00 | 6.10 | d | |||||||
| 2004-05 | 0.00 | 0.00 | c | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | i | ||
| 2005-06 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2006-07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 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 |
| 2018-19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2019-20 | ----- | z | ----- | z | ----- | z | ----- | z | 3.60 | b | 9.50 | d | 14.50 | e | 4.00 | k | ----- | z | ----- | z | ----- | z | ----- | z | 27.60 | i |
| 2020-21 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 7.20 | y | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2021-22 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.03 | 0.32 | 4.61 | 7.95 | 9.97 | 6.82 | 5.14 | 1.84 | 0.39 | 0.05 | 37.07 | |||||||||||||
| S.D. | 0.00 | 0.00 | 0.15 | 1.19 | 5.98 | 6.91 | 8.00 | 6.62 | 6.83 | 2.96 | 1.03 | 0.40 | 16.21 | |||||||||||||
| SKEW | 0.00 | 0.00 | 5.77 | 4.24 | 1.69 | 0.98 | 1.02 | 0.75 | 2.22 | 1.99 | 2.62 | 7.28 | 0.10 | |||||||||||||
| MAX | 0.00 | 0.00 | 1.00 | 6.00 | 25.00 | 26.50 | 38.00 | 23.00 | 35.00 | 12.00 | 4.00 | 3.00 | 70.10 | |||||||||||||
| 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 | 8.30 | |||||||||||||
| YRS | 55 | 54 | 56 | 53 | 53 | 44 | 44 | 46 | 54 | 52 | 54 | 56 | 20 | |||||||||||||