| YEAR(S) | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | ANN | |||||||||||||
| 1902-03 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1903-04 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 3.40 | 5.30 | 3.00 | 8.70 | w | 11.00 | 3.00 | 0.00 | z | 0.00 | z | 25.70 | |||||||
| 1904-05 | 0.00 | z | 0.00 | z | 0.00 | z | 0.80 | 0.00 | 11.60 | v | 15.50 | 16.50 | 4.00 | 3.50 | u | 0.00 | z | 0.00 | z | 36.80 | ||||||
| 1905-06 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 2.70 | 5.50 | 7.40 | y | 3.00 | 3.50 | 1.00 | 4.00 | 0.00 | z | 19.70 | ||||||||
| 1906-07 | 0.00 | z | 0.00 | z | 0.00 | z | 2.00 | 3.00 | 2.00 | 10.10 | u | 0.30 | x | 3.50 | z | 11.50 | 0.00 | 0.00 | z | 18.50 | ||||||
| 1907-08 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.30 | 7.50 | 7.10 | x | 10.00 | 0.50 | y | 0.00 | 0.50 | 0.00 | z | 18.30 | ||||||
| 1908-09 | 0.00 | z | 0.00 | z | 0.00 | 0.00 | z | 0.00 | 10.00 | 8.50 | 10.50 | r | 10.30 | s | 12.00 | 2.00 | 0.00 | z | 32.50 | |||||||
| 1909-10 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 4.00 | z | 25.00 | s | 17.10 | q | 3.80 | w | 0.80 | 12.00 | 0.00 | 0.00 | 12.80 | ||||||
| 1910-11 | 0.00 | z | 0.00 | z | 0.00 | 0.00 | 7.60 | w | 8.30 | s | 10.50 | y | 6.30 | u | 1.00 | 6.50 | 0.00 | 0.00 | z | 7.50 | ||||||
| 1911-12 | 0.00 | z | 0.00 | 0.00 | z | 0.50 | 5.10 | 11.80 | 17.90 | u | 12.10 | p | 11.30 | v | 2.20 | a | 0.00 | z | 0.00 | z | 19.60 | |||||
| 1912-13 | 0.00 | z | 0.00 | 0.00 | 0.00 | z | 1.00 | 0.00 | 12.10 | q | 11.30 | x | 6.80 | 1.00 | 0.00 | z | 0.00 | 8.80 | ||||||||
| 1913-14 | 0.00 | z | 0.00 | 0.00 | 4.80 | 2.00 | 0.00 | 4.50 | 7.70 | s | 2.10 | w | 5.00 | 0.00 | 0.00 | z | 16.30 | |||||||||
| 1914-15 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 0.20 | 7.30 | q | 7.10 | t | 7.60 | 2.40 | 0.00 | 0.00 | z | 0.00 | z | 10.20 | ||||||
| 1915-16 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 3.00 | 3.40 | 4.40 | 5.40 | p | 2.30 | r | 0.00 | z | 0.00 | z | 0.00 | z | 10.80 | |||||
| 1916-17 | 0.00 | z | 0.00 | z | 0.00 | z | 3.50 | 5.80 | 8.10 | x | 14.40 | 5.70 | 3.60 | 2.80 | 0.00 | 0.00 | z | 35.80 | ||||||||
| 1917-18 | 0.00 | z | 0.00 | z | 0.00 | z | 5.10 | 1.60 | 4.00 | 17.60 | 2.60 | 4.70 | 0.00 | 0.00 | z | 0.00 | 35.60 | |||||||||
| 1918-19 | 0.00 | 0.00 | 0.00 | 0.00 | z | 0.00 | 6.20 | 3.80 | 4.00 | 0.70 | 3.90 | 0.00 | 0.00 | 18.60 | ||||||||||||
| 1919-20 | 0.00 | 0.00 | z | 0.00 | 0.00 | 4.50 | 7.70 | 11.30 | 4.90 | 1.70 | 0.00 | 0.00 | 0.00 | 30.10 | ||||||||||||
| 1920-21 | 0.00 | z | 0.00 | 0.00 | 0.00 | 0.70 | 14.50 | 2.80 | 7.20 | 0.70 | 11.30 | 0.00 | 0.00 | 37.20 | ||||||||||||
| 1921-22 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 12.70 | 9.60 | 0.80 | 10.40 | 2.60 | 4.00 | 0.00 | z | 0.00 | 40.10 | |||||||||
| 1922-23 | 0.00 | 0.00 | 0.00 | 0.00 | 0.30 | 3.50 | 12.50 | 8.30 | 15.60 | 7.00 | 1.30 | 0.00 | 48.50 | |||||||||||||
| 1923-24 | 0.00 | 0.00 | 0.00 | 2.70 | 0.20 | 7.60 | 9.90 | 7.30 | 22.80 | a | 0.90 | 0.00 | a | 0.00 | a | 51.40 | ||||||||||
| 1924-25 | 0.00 | a | 0.00 | 0.00 | 0.00 | 5.10 | 5.70 | 2.20 | 2.50 | 4.30 | 0.00 | 0.00 | 0.00 | a | 19.80 | |||||||||||
| 1925-26 | 0.00 | 0.00 | c | 0.00 | 10.10 | a | 7.90 | b | 11.50 | 4.50 | 16.60 | a | 14.50 | 1.10 | 0.00 | 0.00 | a | 66.20 | ||||||||
| 1926-27 | 0.00 | a | 0.00 | 0.00 | a | 1.70 | 13.70 | 8.70 | 13.10 | a | 1.50 | 3.60 | 0.00 | 0.00 | 0.00 | 42.30 | ||||||||||
| 1927-28 | 0.00 | 0.00 | 0.00 | a | 0.00 | a | 3.80 | a | 1.90 | a | 2.20 | 4.30 | a | 6.00 | 8.10 | 0.00 | 0.00 | a | 26.30 | |||||||
| 1928-29 | 0.00 | 0.00 | 0.00 | 0.00 | a | 10.10 | a | 0.20 | 34.20 | 10.90 | 6.50 | 3.60 | a | 0.00 | 0.00 | 65.50 | ||||||||||
| 1929-30 | 0.00 | 0.00 | 0.00 | 5.30 | a | 0.00 | 3.50 | 13.40 | 4.80 | 10.70 | a | 7.00 | a | 0.00 | 0.00 | a | 44.70 | |||||||||
| 1930-31 | 0.00 | 0.00 | 0.00 | 0.00 | a | 1.20 | 4.10 | 9.40 | 2.00 | 14.40 | 0.00 | a | 0.00 | 0.00 | a | 31.10 | ||||||||||
| 1931-32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.60 | a | 5.20 | a | 2.20 | 6.80 | 0.20 | 0.00 | a | 0.00 | a | 18.00 | |||||||||
| 1932-33 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.60 | a | 7.50 | a | 3.10 | 4.80 | 12.00 | b | 3.30 | 0.00 | 0.00 | 31.30 | |||||||||
| 1933-34 | 0.00 | 0.00 | 0.00 | 1.30 | 3.80 | 5.50 | 2.80 | 4.60 | 4.90 | c | 0.00 | b | 0.00 | 0.00 | 22.90 | |||||||||||
| 1934-35 | 0.00 | 0.00 | 0.00 | a | 0.00 | 0.00 | 5.80 | a | 10.20 | c | 7.70 | a | 7.90 | a | 2.40 | 5.50 | a | 0.00 | c | 39.50 | ||||||
| 1935-36 | 0.00 | b | 0.00 | 0.00 | a | 0.00 | 2.30 | d | 7.30 | 15.40 | a | 21.40 | 4.40 | 4.50 | 0.00 | a | 0.00 | 55.30 | ||||||||
| 1936-37 | 2.00 | a | 0.00 | 0.00 | b | 0.00 | 1.70 | a | 3.60 | a | 6.60 | a | 2.20 | 2.70 | 0.00 | a | 0.00 | 0.00 | 18.80 | |||||||
| 1937-38 | 0.00 | a | 0.00 | 0.00 | 0.00 | 2.30 | 5.80 | 10.60 | 5.10 | 2.40 | 1.10 | 0.00 | 0.00 | 27.30 | ||||||||||||
| 1938-39 | 0.00 | 0.00 | 0.00 | 0.00 | c | 1.50 | 7.90 | 14.30 | 7.50 | 6.00 | 3.50 | 0.00 | 0.00 | a | 40.70 | |||||||||||
| 1939-40 | 0.00 | b | 0.00 | 0.00 | a | 0.00 | 0.00 | 0.00 | z | 16.90 | 9.10 | a | 13.60 | 5.20 | 1.80 | 0.00 | 46.60 | |||||||||
| 1940-41 | 0.00 | 0.00 | a | 0.00 | 0.00 | 14.00 | 3.00 | a | 6.30 | 3.50 | a | 4.90 | 0.00 | 0.00 | 0.00 | 31.70 | ||||||||||
| 1941-42 | 0.00 | 0.00 | 0.00 | a | 0.00 | 1.50 | 8.90 | 5.60 | 2.80 | 9.40 | 0.50 | 0.00 | 0.00 | 28.70 | ||||||||||||
| 1942-43 | 0.00 | 0.00 | 0.00 | 0.00 | 3.50 | 13.00 | 19.80 | 4.10 | 12.30 | 0.00 | 0.00 | 0.00 | 52.70 | |||||||||||||
| 1943-44 | 0.00 | 0.00 | 0.00 | a | 0.00 | 1.30 | 0.00 | 5.20 | 5.90 | 8.00 | 0.00 | 0.00 | 0.00 | 20.40 | ||||||||||||
| 1944-45 | 0.00 | 0.00 | 0.00 | 0.00 | 2.30 | 12.10 | 8.10 | 11.20 | a | 1.00 | 0.00 | 1.00 | 0.00 | 35.70 | ||||||||||||
| 1945-46 | 0.00 | 0.80 | 0.00 | 0.00 | 7.70 | 6.10 | 9.10 | 6.80 | 9.00 | 0.00 | 0.00 | 0.00 | 39.50 | |||||||||||||
| 1946-47 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | 5.70 | 19.10 | 0.60 | 6.90 | 2.10 | 0.00 | 0.00 | 35.10 | |||||||||||||
| 1947-48 | 0.00 | 0.00 | 0.00 | 0.00 | 9.80 | 6.30 | 3.00 | 4.40 | 6.20 | 0.00 | 0.00 | 0.00 | 29.70 | |||||||||||||
| 1948-49 | 0.00 | b | 0.00 | 0.00 | z | 0.00 | c | 0.00 | 6.70 | 11.70 | 10.60 | 1.00 | 3.90 | 0.00 | 0.00 | 33.90 | ||||||||||
| 1949-50 | 0.00 | 0.00 | 0.00 | 0.00 | 2.20 | 4.40 | 0.50 | 8.40 | 9.10 | a | 2.30 | 0.00 | 0.00 | 26.90 | ||||||||||||
| 1950-51 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | 17.00 | 24.00 | 13.20 | 11.20 | a | 0.80 | 0.00 | 0.00 | 70.20 | ||||||||||||
| 1951-52 | 0.00 | 0.00 | 0.00 | 0.00 | 7.20 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 7.20 | ||||||
| 1952-53 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.00 | w | 9.00 | c | 1.00 | 4.00 | 0.00 | 0.00 | 0.00 | 14.00 | ||||||
| 1953-54 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 0.00 | z | 5.00 | 3.00 | a | 1.00 | b | 0.00 | 0.00 | 0.00 | 9.00 | |||||||||
| 1954-55 | 0.00 | 0.00 | 0.00 | 0.00 | 4.00 | b | 13.00 | d | 4.00 | 5.00 | b | 5.00 | b | 0.00 | 0.00 | 0.00 | 31.00 | |||||||||
| 1955-56 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 4.50 | a | 1.50 | 5.00 | 13.00 | 0.00 | 0.00 | 0.00 | 25.00 | ||||||||||||
| 1956-57 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | a | 3.00 | b | 6.40 | b | 3.00 | 2.00 | 0.00 | 0.00 | 0.00 | 14.40 | ||||||||||
| 1957-58 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 2.50 | 6.00 | 0.00 | c | 4.00 | c | 0.00 | 0.00 | 0.00 | 13.00 | |||||||||||
| 1958-59 | 0.00 | 0.00 | 0.00 | 0.00 | 5.00 | 2.50 | 0.00 | z | 16.00 | b | 18.00 | 0.00 | 0.00 | 0.00 | 41.50 | |||||||||||
| 1959-60 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 | 0.00 | z | 0.00 | z | 9.00 | 0.00 | z | 1.00 | 0.00 | 0.00 | 16.00 | ||||||||||
| 1960-61 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 1.00 | b | 0.00 | 8.00 | b | 1.00 | 0.00 | 0.00 | 10.20 | |||||||||||
| 1961-62 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 7.00 | a | 7.50 | i | 11.00 | b | 3.00 | h | 1.00 | 0.00 | 0.00 | 21.00 | |||||||||
| 1962-63 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.50 | 9.50 | 3.50 | 6.00 | 0.00 | 0.00 | 0.00 | 24.50 | |||||||||||||
| 1963-64 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.50 | 0.00 | 3.00 | 12.50 | 0.00 | 0.00 | 0.00 | 20.00 | |||||||||||||
| 1964-65 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.50 | 6.00 | 7.00 | b | 9.00 | 1.00 | 0.00 | 0.00 | 25.50 | ||||||||||||
| 1965-66 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | z | 8.40 | m | 12.50 | 4.00 | 4.00 | 0.00 | 0.30 | 0.00 | 20.80 | |||||||||||
| 1966-67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 14.30 | 10.30 | 16.50 | 3.00 | 0.00 | 0.00 | 0.00 | 44.10 | |||||||||||||
| 1967-68 | 0.00 | 0.00 | 0.00 | 1.00 | 0.50 | 0.50 | 2.50 | 4.40 | 0.50 | 0.50 | 0.00 | 0.00 | 9.90 | |||||||||||||
| 1968-69 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 10.80 | 10.90 | 1.20 | 9.40 | 0.00 | 0.00 | 0.00 | 33.30 | |||||||||||||
| 1969-70 | 0.00 | 0.00 | 0.00 | 0.00 | 2.30 | 15.90 | 11.10 | 1.90 | 6.30 | 1.00 | 0.00 | 0.00 | 38.50 | |||||||||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.04 | 0.02 | 0.00 | 0.63 | 2.83 | 6.25 | 8.75 | 6.33 | 6.68 | 2.17 | 0.28 | 0.00 | 33.58 | |||||||||||||
| S.D. | 0.29 | 0.11 | 0.00 | 1.74 | 3.46 | 4.24 | 6.54 | 4.69 | 4.86 | 3.22 | 0.95 | 0.00 | 15.13 | |||||||||||||
| SKEW | 6.78 | 7.00 | 0.00 | 3.57 | 1.69 | 0.63 | 1.34 | 1.15 | 0.98 | 1.79 | 4.12 | 0.00 | 0.66 | |||||||||||||
| MAX | 2.00 | 0.80 | 0.00 | 10.10 | 14.00 | 17.00 | 34.20 | 21.40 | 22.80 | 12.00 | 5.50 | 0.00 | 70.20 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.50 | 0.00 | 0.00 | 0.00 | 9.90 | |||||||||||||
| NO YRS | 49 | 52 | 53 | 62 | 63 | 56 | 55 | 57 | 58 | 64 | 58 | 54 | 39 | |||||||||||||