| YEAR(S) | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | ANN | |||||||||||||
| 1974-75 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.00 | 0.00 | j | |
| 1975-76 | 0.00 | 0.00 | 0.00 | 6.00 | 23.00 | 6.80 | 14.90 | 15.60 | 11.90 | 4.90 | 0.00 | 0.00 | 83.10 | |||||||||||||
| 1976-77 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 10.90 | 10.60 | 13.20 | 2.50 | 1.00 | 0.00 | 38.20 | |||||||||||||
| 1977-78 | 0.00 | 0.00 | 0.00 | 0.00 | 7.50 | 24.00 | 51.70 | 31.50 | 12.40 | 3.00 | 10.70 | 0.00 | 140.80 | |||||||||||||
| 1978-79 | 0.00 | 0.00 | 4.50 | 0.00 | 10.20 | b | 16.20 | 34.20 | 34.60 | 18.30 | 7.60 | 4.80 | 0.00 | 130.40 | ||||||||||||
| 1979-80 | 0.00 | 0.00 | 0.00 | 5.30 | 28.50 | 9.50 | 46.80 | 37.70 | 26.70 | 1.00 | 11.80 | 0.00 | 167.30 | |||||||||||||
| 1980-81 | 0.00 | 0.00 | 0.00 | 7.60 | 9.40 | 3.50 | 23.60 | 8.80 | 21.60 | 4.00 | 5.60 | 0.00 | 84.10 | |||||||||||||
| 1981-82 | 0.00 | 0.00 | 0.00 | 10.50 | 5.70 | 51.20 | 38.00 | 14.50 | 25.20 | 5.60 | 2.10 | 0.00 | 152.80 | |||||||||||||
| 1982-83 | 0.00 | 0.00 | 8.20 | 6.50 | 28.00 | 24.00 | a | 16.90 | 36.10 | 35.40 | 4.10 | 20.70 | 0.00 | 179.90 | ||||||||||||
| 1983-84 | 0.00 | 0.00 | 0.00 | 0.00 | 37.10 | 74.60 | 6.80 | 19.80 | 13.60 | 18.40 | 0.00 | 0.00 | 170.30 | |||||||||||||
| 1984-85 | 0.00 | 0.00 | 0.00 | 20.60 | 18.30 | 33.80 | 15.80 | 11.90 | 13.00 | 5.30 | 0.00 | 0.00 | 118.70 | |||||||||||||
| 1985-86 | 0.00 | 0.00 | 0.00 | 2.30 | 40.50 | 18.40 | 5.60 | 21.00 | 9.40 | 8.70 | a | 3.10 | 0.00 | 109.00 | ||||||||||||
| 1986-87 | 0.00 | 0.00 | 1.40 | 0.00 | 6.90 | 2.20 | 7.70 | a | 12.30 | 19.00 | 3.70 | 0.00 | 0.00 | 53.20 | ||||||||||||
| 1987-88 | 0.00 | 0.00 | 0.00 | 0.00 | 2.40 | 17.30 | 28.00 | 6.00 | 22.20 | 0.00 | 10.80 | 0.00 | 86.70 | |||||||||||||
| 1988-89 | 0.00 | 0.00 | 0.00 | 0.00 | 18.40 | 31.30 | 8.40 | a | 16.10 | 14.60 | 7.30 | 0.00 | 0.00 | 96.10 | ||||||||||||
| 1989-90 | 0.00 | 0.00 | 0.00 | 3.70 | 7.90 | 2.40 | 13.90 | 35.00 | 18.20 | 2.10 | 0.00 | 2.60 | 85.80 | |||||||||||||
| 1990-91 | 0.00 | 0.00 | 0.00 | 0.90 | 7.80 | 13.30 | 14.90 | a | 6.40 | 29.70 | 15.20 | 0.00 | 0.00 | 88.20 | ||||||||||||
| 1991-92 | 0.00 | 0.00 | 0.00 | 10.90 | 12.30 | 10.80 | 17.20 | 9.10 | 2.00 | 0.00 | 0.00 | 0.00 | 62.30 | |||||||||||||
| 1992-93 | 0.00 | 0.00 | 0.00 | 2.80 | 12.20 | 38.30 | 38.90 | 38.10 | 7.80 | 0.00 | 5.30 | 0.00 | 143.40 | |||||||||||||
| 1993-94 | 0.00 | 0.00 | 0.00 | 0.00 | 9.10 | 14.50 | 15.80 | 33.30 | 21.80 | 7.50 | 0.00 | 0.00 | 102.00 | |||||||||||||
| 1994-95 | 0.00 | 0.00 | 0.00 | 12.90 | 30.20 | 18.60 | 26.80 | 10.90 | 3.60 | 10.60 | 0.00 | 0.00 | 113.60 | |||||||||||||
| 1995-96 | 0.00 | ----- | z | ----- | z | 3.50 | 2.40 | 7.90 | 25.20 | 12.60 | 14.00 | 6.20 | 0.00 | 0.00 | 71.80 | b | ||||||||||
| 1996-97 | 0.00 | 0.00 | 0.00 | 11.70 | 9.80 | 19.60 | a | 53.40 | a | 18.10 | 1.00 | 17.70 | 1.00 | 0.00 | 132.30 | |||||||||||
| 1997-98 | 0.00 | 0.00 | 0.00 | 11.10 | 8.80 | b | 11.00 | 21.60 | a | 41.30 | 15.40 | 15.30 | a | 0.00 | 3.50 | 128.00 | ||||||||||
| 1998-99 | 0.00 | 0.00 | 0.00 | 0.00 | 12.00 | 8.70 | 22.90 | a | 14.50 | 6.00 | 18.60 | 7.10 | 0.00 | 89.80 | ||||||||||||
| 1999-00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.80 | 13.20 | 10.80 | 20.90 | 17.50 | a | 3.00 | 0.00 | 0.00 | 69.20 | ||||||||||||
| 2000-01 | 0.00 | 0.00 | 0.00 | 10.10 | 13.00 | 13.10 | 15.90 | 17.80 | 4.90 | 9.10 | 3.70 | 0.00 | 87.60 | |||||||||||||
| 2001-02 | 0.00 | 0.00 | 0.00 | 0.00 | 19.50 | a | 26.20 | a | 1.70 | a | 9.40 | 23.00 | 4.90 | 1.70 | 0.00 | 86.40 | ||||||||||
| 2002-03 | 0.00 | 0.00 | 0.00 | 0.00 | 3.90 | 29.10 | 4.20 | a | 0.00 | b | 16.90 | 10.50 | 1.00 | 0.00 | 65.60 | |||||||||||
| 2003-04 | 0.00 | 0.00 | 0.00 | 3.00 | 21.00 | 42.60 | 14.10 | 30.80 | v | 0.00 | 3.90 | 0.00 | 0.00 | 84.60 | a | |||||||||||
| 2004-05 | 0.00 | 0.00 | 0.00 | 7.60 | 13.50 | 13.70 | a | 23.20 | a | ----- | z | 11.80 | 2.40 | 4.50 | 0.00 | 76.70 | a | |||||||||
| 2005-06 | 0.00 | 0.00 | 0.00 | 0.00 | 11.80 | 14.00 | 40.30 | 11.10 | 29.70 | 12.90 | 0.50 | d | 0.00 | 120.30 | ||||||||||||
| 2006-07 | 0.00 | a | 0.00 | 0.00 | 4.00 | 13.70 | 11.10 | b | 8.00 | 11.40 | 6.80 | 0.00 | 4.20 | 0.00 | 59.20 | |||||||||||
| 2007-08 | 0.00 | 0.00 | 0.00 | 6.10 | 4.00 | 53.90 | a | 45.70 | 41.20 | 13.90 | c | 1.80 | c | 7.00 | 1.50 | 175.10 | ||||||||||
| 2008-09 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 35.10 | 18.50 | 15.20 | 20.00 | a | 13.50 | 0.00 | 0.00 | 104.30 | ||||||||||||
| 2009-10 | 0.00 | 0.00 | 0.00 | 2.50 | 0.00 | a | 49.60 | 5.50 | c | 11.70 | a | 19.20 | 28.70 | 18.40 | 0.00 | 135.60 | ||||||||||
| 2010-11 | 0.00 | 0.00 | 0.00 | 6.20 | 15.20 | a | 60.80 | ----- | z | 26.00 | u | ----- | z | 15.20 | y | ----- | z | ----- | z | 82.20 | f | |||||
| 2011-12 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.80 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.80 | k | |
| 2012-13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 0.00 | 0.00 | 0.40 | 4.33 | 13.05 | 22.79 | 21.02 | 19.23 | 15.42 | 7.43 | 3.47 | 0.21 | 108.10 | |||||||||||||
| S.D. | 0.00 | 0.00 | 1.57 | 5.00 | 10.06 | 17.96 | 14.17 | 11.69 | 8.52 | 6.64 | 5.23 | 0.75 | 37.48 | |||||||||||||
| SKEW | 0.00 | 0.00 | 4.18 | 1.22 | 1.05 | 1.12 | 0.83 | 0.65 | 0.17 | 1.22 | 1.85 | 3.51 | 0.25 | |||||||||||||
| MAX | 0.00 | 0.00 | 8.20 | 20.60 | 40.50 | 74.60 | 53.40 | 41.30 | 35.40 | 28.70 | 20.70 | 3.50 | 179.90 | |||||||||||||
| MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 38.20 | |||||||||||||
| YRS | 36 | 35 | 35 | 36 | 36 | 36 | 36 | 33 | 35 | 35 | 36 | 36 | 32 | |||||||||||||