YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.67 | a | 62.90 | a | 56.41 | a | 35.84 | 26.17 | 18.00 | a | 43.33 | f | ||
1968 | 18.84 | 12.14 | a | 26.06 | 32.30 | 50.33 | a | 64.40 | 67.07 | a | 61.71 | c | 51.83 | a | 34.97 | 21.69 | a | 8.61 | 37.50 | |||||||
1969 | 15.00 | b | 15.29 | 25.97 | a | 37.20 | 57.17 | a | 60.33 | 61.48 | 56.63 | a | 58.17 | a | 41.10 | a | 17.03 | 22.45 | b | 38.99 | ||||||
1970 | -1.23 | a | 22.14 | 26.80 | a | 28.93 | 55.04 | d | 61.81 | d | 59.81 | 58.71 | c | 49.83 | ----- | z | 32.21 | b | 12.79 | c | 36.99 | a | ||||
1971 | 2.03 | 5.96 | 12.38 | b | 26.55 | a | 41.43 | a | 57.93 | c | 62.38 | g | 61.00 | g | 52.38 | a | 35.62 | b | 21.79 | b | 17.13 | 27.32 | b | |||
1972 | 10.06 | 12.10 | 8.03 | a | 25.53 | 45.68 | 57.39 | b | 67.03 | b | 69.93 | q | 51.90 | a | 39.46 | c | 23.28 | a | 16.30 | d | 32.43 | a | ||||
1973 | ----- | z | 19.04 | 18.90 | j | 32.89 | b | 51.58 | g | 58.77 | d | 62.36 | c | 57.34 | b | 53.70 | 34.62 | b | 24.64 | b | 16.03 | 39.93 | c | |||
1974 | 13.82 | c | 2.22 | a | 26.50 | c | 39.59 | a | 57.03 | b | 61.72 | a | 64.00 | b | 63.50 | a | 59.48 | c | 33.79 | b | 17.76 | a | 6.70 | a | 37.18 | |
1975 | 9.78 | d | 10.86 | 24.70 | a | 31.17 | a | 49.21 | c | 60.10 | a | 66.86 | c | 64.69 | b | 50.68 | b | 36.85 | d | 14.26 | c | 12.10 | a | 35.94 | ||
1976 | 13.18 | c | 8.60 | n | 25.39 | 29.75 | b | 47.43 | h | 59.81 | d | 64.31 | e | 64.45 | b | 56.88 | e | ----- | z | 24.97 | a | 14.34 | b | 39.23 | c | |
1977 | 28.50 | a | 27.57 | 22.55 | 26.10 | 44.25 | g | 62.69 | a | 65.33 | a | 68.55 | 51.67 | ----- | z | 20.87 | 20.42 | 39.42 | b | |||||||
1978 | 29.63 | a | 22.79 | 23.61 | 39.20 | 55.31 | b | 54.69 | a | 65.61 | 65.03 | 52.93 | a | 34.52 | 28.67 | 24.35 | 41.36 | |||||||||
1979 | 25.10 | 9.68 | 25.13 | 35.07 | 56.19 | 58.63 | 62.31 | b | 61.26 | 56.90 | 43.26 | 30.40 | 3.80 | a | 38.98 | |||||||||||
1980 | 8.48 | 19.45 | 28.26 | 39.03 | 53.42 | 53.03 | 65.50 | a | 59.58 | 53.57 | 38.42 | 24.37 | 3.94 | 37.25 | ||||||||||||
1981 | 23.77 | 15.50 | 34.35 | 35.40 | 57.71 | 64.03 | 62.06 | 62.13 | 49.24 | a | 33.26 | 18.72 | a | 7.71 | 38.66 | |||||||||||
1982 | 10.50 | a | 15.15 | a | 22.65 | 23.34 | a | 41.62 | g | 62.08 | f | 63.32 | c | 61.73 | e | 51.40 | e | 33.37 | a | 27.19 | i | 16.18 | i | 35.18 | d | |
1983 | 12.18 | c | 18.43 | 27.71 | 36.77 | 53.62 | j | ----- | z | ----- | z | ----- | z | ----- | z | 36.84 | ----- | z | ----- | z | 26.38 | g | ||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.64 | 15.22 | 24.01 | 32.43 | 52.59 | 59.67 | 63.85 | 62.02 | 53.56 | 36.57 | 23.12 | 13.64 | 38.23 | |||||||||||||
S.D. | 9.05 | 6.68 | 6.32 | 5.32 | 5.32 | 3.27 | 2.36 | 3.24 | 3.09 | 3.01 | 5.04 | 6.47 | 1.65 | |||||||||||||
SKEW | 0.15 | -0.12 | -1.28 | -0.18 | -0.96 | -0.45 | -0.10 | 0.08 | 0.51 | 0.91 | 0.10 | -0.05 | 0.58 | |||||||||||||
MAX | 29.63 | 27.57 | 34.35 | 39.59 | 57.71 | 64.40 | 67.07 | 68.55 | 59.48 | 43.26 | 32.21 | 24.35 | 41.36 | |||||||||||||
MIN | -1.23 | 2.22 | 8.03 | 23.34 | 41.43 | 53.03 | 59.81 | 56.63 | 49.24 | 33.26 | 14.26 | 3.80 | 35.94 | |||||||||||||
YRS | 15 | 15 | 15 | 16 | 11 | 14 | 15 | 14 | 16 | 14 | 15 | 15 | 8 |