| YEAR(S) | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | ANN | |||||||||||||
| 1924-25 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1925-26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1926-27 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1927-28 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | y | 0.00 | y | 4.00 | ----- | z | ----- | z | 4.00 | k | |
| 1928-29 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | 2.00 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k | |
| 1929-30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | 0.00 | k | |
| 1930-31 | ----- | z | ----- | z | ----- | z | 0.20 | ----- | z | ----- | z | ----- | z | 4.00 | ----- | z | 0.00 | ----- | z | ----- | z | 4.20 | i | |||
| 1931-32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1932-33 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 1933-34 | ----- | z | 0.00 | 0.00 | 1.50 | 6.00 | ----- | z | ----- | z | ----- | z | 1.50 | 2.70 | 0.00 | 0.00 | 11.70 | d | ||||||||
| 1934-35 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 9.50 | 12.80 | 0.00 | 4.70 | 2.00 | 0.00 | 0.00 | 29.00 | a | |||||||||||
| 1935-36 | 0.00 | 0.00 | 0.00 | 1.00 | 9.00 | 7.50 | 11.60 | 9.00 | ----- | z | 0.00 | 0.00 | 0.00 | 38.10 | a | |||||||||||
| 1936-37 | 0.00 | 0.00 | 0.00 | 0.50 | 6.00 | 16.00 | 19.50 | 12.00 | 3.00 | ----- | z | 0.00 | 0.00 | 57.00 | a | |||||||||||
| 1937-38 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 12.00 | 8.00 | 8.50 | 0.50 | 0.00 | 0.00 | 0.00 | 29.50 | |||||||||||||
| 1938-39 | 0.00 | 0.00 | 0.00 | 0.00 | 10.00 | 7.50 | 5.50 | 34.50 | 12.00 | 1.00 | 0.00 | 0.00 | 70.50 | |||||||||||||
| 1939-40 | 0.00 | 0.00 | 0.00 | 2.00 | 0.00 | 3.00 | 2.00 | 7.00 | 9.50 | 0.00 | 0.00 | 0.00 | 23.50 | |||||||||||||
| 1940-41 | 0.00 | 0.00 | 0.00 | 0.00 | 9.00 | 5.50 | 14.70 | 4.00 | 10.50 | 2.00 | 0.00 | 0.00 | 45.70 | |||||||||||||
| 1941-42 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 1.40 | 3.00 | 14.50 | y | 0.00 | 0.00 | 0.00 | 5.90 | a | |||||||||||
| 1942-43 | 0.00 | 0.00 | ----- | z | 0.00 | 0.30 | ----- | z | 0.00 | ----- | z | ----- | z | 0.00 | 0.00 | 0.00 | 0.30 | d | ||||||||
| 1943-44 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 1.90 | 6.30 | 0.20 | 21.60 | u | 0.00 | ----- | z | 0.00 | 8.40 | c | |||||||||
| 1944-45 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | 0.00 | 0.30 | f | ||||||
| 1945-46 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 6.50 | 0.00 | 0.00 | 6.50 | e | |||||||
| 1946-47 | 0.00 | 0.00 | 0.00 | 0.00 | 4.10 | 8.40 | 2.50 | 3.00 | 8.20 | ----- | z | 0.00 | 0.00 | 26.20 | a | |||||||||||
| 1947-48 | 0.00 | 0.00 | 0.00 | 0.00 | 16.00 | 7.40 | 3.10 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 26.50 | d | ||||||||
| 1948-49 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | e | ----- | z | ----- | z | 7.50 | 3.50 | 0.00 | 0.00 | 0.00 | a | 11.00 | b | ||||||||
| 1949-50 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | 4.60 | 10.00 | b | 0.90 | 2.20 | b | 0.00 | f | 0.00 | 0.00 | 17.70 | c | |||||||
| 1950-51 | 0.00 | 0.00 | 0.00 | 0.00 | 6.30 | 4.10 | 3.50 | 6.80 | 10.90 | c | ----- | z | 0.00 | 0.00 | 31.60 | a | ||||||||||
| 1951-52 | 0.00 | 0.00 | 0.00 | 2.50 | 5.50 | c | 10.60 | b | 3.00 | b | 1.00 | a | 5.50 | c | 3.00 | 0.00 | 0.00 | 31.10 | ||||||||
| 1952-53 | 0.00 | 0.00 | 0.00 | 0.40 | 2.50 | 4.00 | 6.00 | 2.10 | b | 0.70 | b | 2.00 | 0.00 | 0.00 | 17.70 | |||||||||||
| 1953-54 | 0.00 | 0.00 | 0.00 | 0.00 | 5.50 | a | 13.00 | 10.00 | 4.00 | 4.00 | ----- | z | 4.00 | 0.00 | 40.50 | a | ||||||||||
| 1954-55 | 0.00 | 0.00 | 0.00 | 1.00 | 2.00 | a | 2.50 | 4.80 | 6.00 | d | 7.50 | 0.00 | 0.00 | 0.00 | 23.80 | |||||||||||
| 1955-56 | 0.00 | 0.00 | 0.00 | 0.00 | 14.00 | 10.30 | 7.50 | b | 3.50 | 17.00 | 7.50 | 0.00 | 0.00 | 59.80 | ||||||||||||
| 1956-57 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 7.00 | 6.50 | b | 8.50 | 5.00 | 4.00 | a | 0.00 | 0.00 | 31.50 | |||||||||||
| 1957-58 | 0.00 | 0.00 | 0.00 | 0.00 | 2.40 | 0.90 | 5.20 | 0.50 | 2.60 | 0.50 | 0.00 | 0.00 | 12.10 | |||||||||||||
| 1958-59 | 0.00 | 0.00 | 0.00 | 1.00 | 9.00 | 5.00 | 5.00 | 6.00 | 0.60 | 0.00 | 0.00 | 0.00 | 26.60 | |||||||||||||
| 1959-60 | 0.00 | 0.00 | 0.00 | 3.00 | 7.50 | 0.80 | 9.00 | 0.90 | 2.50 | 7.50 | a | 2.00 | 0.00 | 33.20 | ||||||||||||
| 1960-61 | 0.00 | 0.00 | 0.00 | 0.00 | 5.50 | a | 3.00 | 2.50 | ----- | z | 0.00 | 6.50 | a | 0.00 | 0.00 | 17.50 | a | |||||||||
| 1961-62 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 9.00 | 15.00 | 9.50 | 5.50 | 0.00 | a | 0.00 | 0.00 | 42.00 | ||||||||||||
| 1962-63 | 0.00 | 0.00 | 0.00 | 0.00 | 4.50 | 4.80 | 1.50 | 6.20 | 8.70 | 1.00 | 2.50 | 0.00 | 29.20 | |||||||||||||
| 1963-64 | 0.00 | 0.00 | a | 0.00 | 0.00 | 2.00 | 7.10 | 7.80 | 4.00 | 10.00 | 7.00 | 0.00 | 0.00 | 37.90 | ||||||||||||
| 1964-65 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | 15.00 | 7.50 | 3.00 | 20.00 | 0.00 | 0.00 | b | 0.00 | 49.50 | ||||||||||||
| 1965-66 | 0.00 | 0.00 | 0.00 | 0.00 | 17.50 | 11.00 | 11.00 | 4.50 | 22.00 | a | 13.00 | a | 0.00 | 0.00 | 79.00 | |||||||||||
| 1966-67 | 0.00 | 0.00 | 0.00 | 1.00 | 4.00 | 13.50 | 24.50 | 8.00 | 10.20 | 8.30 | 3.00 | 0.00 | 72.50 | |||||||||||||
| 1967-68 | 0.00 | 0.00 | 0.00 | 3.00 | 3.40 | 11.50 | 5.50 | a | 5.50 | 3.50 | 12.00 | 2.00 | 0.00 | 46.40 | ||||||||||||
| 1968-69 | 0.00 | 0.00 | 0.00 | 1.00 | 4.50 | 22.50 | 28.00 | 11.00 | 5.00 | 0.00 | 0.00 | 0.00 | 72.00 | |||||||||||||
| 1969-70 | 0.00 | 0.00 | 0.00 | 8.00 | 6.00 | 14.00 | 7.00 | 5.70 | 7.00 | 11.00 | a | 0.00 | 0.00 | 58.70 | ||||||||||||
| 1970-71 | 0.00 | 0.00 | 0.00 | 12.00 | 9.00 | 12.00 | 15.00 | 5.00 | 8.50 | 1.00 | 0.00 | 0.00 | 62.50 | |||||||||||||
| 1971-72 | 0.00 | 0.00 | 0.00 | 3.00 | 7.00 | 6.50 | 12.50 | 8.50 | 11.00 | 2.50 | 0.00 | 0.00 | 51.00 | |||||||||||||
| 1972-73 | 0.00 | 0.00 | 0.00 | 5.00 | 2.50 | 13.00 | 0.50 | 3.30 | 2.00 | 0.00 | 0.00 | 0.00 | 26.30 | |||||||||||||
| 1973-74 | 0.00 | 0.00 | 0.00 | 0.00 | 7.50 | 9.50 | 9.30 | 5.50 | 11.30 | 0.50 | a | 0.30 | 0.00 | 43.90 | ||||||||||||
| 1974-75 | 0.00 | 0.00 | 0.00 | 0.00 | 1.50 | 10.00 | 15.50 | 8.50 | 10.50 | 2.00 | 0.00 | 0.00 | 48.00 | |||||||||||||
| 1975-76 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | 3.50 | 15.00 | 5.50 | 7.00 | 0.50 | 0.00 | 0.00 | 34.00 | |||||||||||||
| 1976-77 | 0.00 | 0.00 | 0.00 | 0.10 | 2.50 | 6.20 | 8.00 | 10.30 | 5.90 | 0.50 | 0.00 | 0.00 | 33.50 | |||||||||||||
| 1977-78 | 0.00 | 0.00 | 0.00 | 0.00 | 23.40 | 9.50 | 6.80 | 6.50 | 2.30 | 2.00 | 0.00 | 0.00 | 50.50 | |||||||||||||
| 1978-79 | 0.00 | 0.00 | 0.00 | 0.00 | 10.40 | 6.90 | 8.50 | 16.00 | 8.50 | 4.00 | 1.00 | 0.00 | 55.30 | |||||||||||||
| 1979-80 | 0.00 | 0.00 | 0.00 | 0.50 | 7.50 | 2.00 | 9.10 | 11.50 | 8.50 | 0.50 | 0.00 | 0.00 | 39.60 | |||||||||||||
| 1980-81 | 0.00 | 0.00 | 0.00 | 1.50 | 1.50 | 5.10 | 2.80 | 3.00 | 1.80 | 0.00 | 0.00 | 0.00 | 15.70 | |||||||||||||
| 1981-82 | 0.00 | 0.00 | 0.00 | 5.50 | ----- | z | 8.50 | 11.50 | 3.50 | 5.00 | 1.00 | 0.00 | 0.00 | 35.00 | a | |||||||||||
| 1982-83 | 0.00 | 0.00 | 0.00 | 0.00 | 6.50 | b | 2.50 | a | 7.50 | 2.30 | 4.50 | 1.00 | 0.00 | a | 0.00 | 24.30 | ||||||||||
| 1983-84 | 0.00 | 0.00 | 0.00 | 0.00 | 4.50 | a | 7.00 | 7.00 | a | 1.50 | 7.30 | 0.50 | 0.00 | 0.00 | 27.80 | |||||||||||
| 1984-85 | 0.00 | 0.00 | 0.00 | 0.10 | 1.10 | 4.10 | 4.40 | 1.50 | 6.50 | 0.00 | 0.00 | 0.00 | 17.70 | |||||||||||||
| 1985-86 | 0.00 | 0.00 | 0.00 | 0.00 | 14.00 | 5.50 | a | 7.00 | 5.00 | 0.00 | 0.50 | 0.00 | 0.00 | 32.00 | ||||||||||||
| 1986-87 | 0.00 | 0.00 | 0.00 | 0.00 | 2.50 | b | 4.10 | 4.50 | 6.00 | 6.00 | 1.00 | 0.00 | 0.00 | 24.10 | ||||||||||||
| 1987-88 | 0.00 | 0.00 | 0.00 | 3.00 | 7.00 | 5.00 | 11.00 | 2.50 | a | 8.50 | 0.00 | 0.00 | 0.00 | 37.00 | ||||||||||||
| 1988-89 | 0.00 | 0.00 | 0.00 | 2.00 | 11.00 | 11.50 | 23.00 | 4.00 | 7.00 | 3.00 | 0.00 | 0.00 | 61.50 | |||||||||||||
| 1989-90 | 0.00 | 0.00 | 0.00 | 0.00 | 11.50 | 4.00 | 4.00 | 5.20 | 8.00 | 7.00 | 0.00 | 0.00 | 39.70 | |||||||||||||
| 1990-91 | 0.00 | 0.00 | 0.00 | 2.00 | 0.50 | 13.70 | 9.50 | 13.00 | 7.50 | 6.00 | 0.00 | 0.00 | 52.20 | |||||||||||||
| 1991-92 | 0.00 | 0.00 | 0.00 | 0.50 | 8.00 | 7.00 | b | 9.50 | 7.50 | 3.80 | 4.00 | 0.00 | 0.00 | 40.30 | ||||||||||||
| 1992-93 | 0.00 | 0.00 | 0.00 | 3.30 | 12.50 | 12.00 | 10.50 | 3.00 | 5.00 | 0.00 | 0.00 | 0.00 | 46.30 | |||||||||||||
| 1993-94 | 0.00 | 0.00 | 0.00 | 1.00 | 11.00 | 5.00 | a | 10.00 | 9.00 | 11.50 | 8.00 | 0.00 | 0.00 | 55.50 | ||||||||||||
| 1994-95 | 0.00 | 0.00 | 0.00 | 0.00 | 3.00 | 4.00 | 13.00 | 15.00 | 11.00 | 6.00 | 0.00 | 0.00 | 52.00 | |||||||||||||
| 1995-96 | 0.00 | 0.00 | 0.00 | a | 1.00 | 12.00 | a | 12.00 | 15.00 | 6.00 | 13.00 | 1.50 | 0.00 | 0.00 | 60.50 | |||||||||||
| 1996-97 | 0.00 | 0.00 | 0.00 | 0.00 | 13.00 | 20.00 | 19.50 | 9.50 | a | 25.00 | 5.00 | 0.40 | 0.00 | 92.40 | ||||||||||||
| 1997-98 | 0.00 | 0.00 | 0.00 | 1.00 | a | 19.00 | 7.50 | 19.00 | 4.00 | 3.00 | 2.00 | 0.00 | 0.00 | 55.50 | ||||||||||||
| 1998-99 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | j | 4.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.00 | g | ||||
| 1999-00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2000-01 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2001-02 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2002-03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2003-04 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2004-05 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 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 | 5.50 | ----- | z | ----- | z | ----- | z | 2.40 | s | 0.00 | 0.00 | 0.00 | 0.00 | 5.50 | g | |||||
| 2010-11 | 0.00 | 0.00 | 0.00 | 0.00 | 12.90 | 25.60 | x | 9.30 | v | 2.10 | y | ----- | z | ----- | z | ----- | z | ----- | z | 12.90 | g | |||||
| 2011-12 | ----- | z | ----- | z | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | 4.60 | y | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | j | ||
| 2012-13 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | 0.00 | j | ||
| 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 | 17.70 | r | 14.00 | w | 3.20 | v | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| 2017-18 | ----- | z | ----- | z | ----- | z | 2.70 | a | 4.90 | x | 14.10 | r | ----- | z | 15.30 | t | ----- | z | ----- | z | 0.00 | 0.00 | f | 2.70 | j | |
| 2018-19 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 12.90 | y | ----- | z | 26.20 | p | ----- | z | ----- | z | 0.00 | r | ----- | z | 0.00 | k | |
| 2019-20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.30 | y | ----- | z | ----- | z | 2.60 | e | 0.00 | 0.00 | 2.60 | i | ||
| 2020-21 | 0.00 | 0.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | j | |
| 2021-22 | ----- | z | ----- | z | ----- | z | ----- | z | 5.50 | 19.00 | y | ----- | z | 7.20 | y | ----- | z | ----- | z | 0.00 | ----- | z | 5.50 | j | ||
| 2022-23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.50 | y | ----- | z | 8.80 | w | 19.50 | a | ----- | z | ----- | z | ----- | z | 19.50 | k |
| 2023-24 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.00 | 1.08 | 6.58 | 7.80 | 9.13 | 6.21 | 7.22 | 2.60 | 0.23 | 0.00 | 43.15 | |||||||||||||
| S.D. | 0.00 | 0.00 | 0.00 | 2.08 | 5.16 | 4.61 | 5.96 | 5.18 | 5.42 | 3.28 | 0.74 | 0.00 | 17.84 | |||||||||||||
| SKEW | 0.00 | 0.00 | 0.00 | 3.04 | 0.97 | 0.83 | 1.01 | 2.90 | 1.20 | 1.41 | 3.57 | 0.00 | 0.50 | |||||||||||||
| MAX | 0.00 | 0.00 | 0.00 | 12.00 | 23.40 | 22.50 | 28.00 | 34.50 | 25.00 | 13.00 | 4.00 | 0.00 | 92.40 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 12.10 | |||||||||||||
| YRS | 68 | 69 | 69 | 70 | 61 | 61 | 61 | 60 | 60 | 63 | 68 | 67 | 48 | |||||||||||||