YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.03 | 81.97 | 70.53 | 48.48 | 72.00 | h | ||||
1968 | 55.29 | 63.69 | 65.65 | 70.67 | 82.10 | 92.17 | 94.74 | 90.29 | 90.17 | 78.87 | 64.40 | 51.48 | 74.96 | |||||||||||||
1969 | 56.26 | 54.18 | 59.68 | 72.27 | 84.19 | 88.43 | 95.29 | 98.81 | 90.27 | 72.65 | 63.87 | 59.35 | 74.60 | |||||||||||||
1970 | 55.26 | 62.86 | 61.68 | 66.07 | a | 82.60 | a | 92.27 | 97.65 | 95.31 | b | 86.75 | b | 74.53 | a | 65.77 | d | 52.27 | a | 74.42 | ||||||
1971 | 55.35 | 59.96 | b | 65.71 | c | 70.34 | a | 75.14 | b | 89.73 | 98.19 | 91.10 | a | 88.13 | 71.06 | 60.96 | b | 49.58 | 72.94 | |||||||
1972 | 54.83 | a | 63.55 | 74.81 | 73.87 | 82.71 | 89.83 | 98.97 | 93.13 | a | 86.76 | a | 69.55 | 57.43 | 50.77 | 74.68 | ||||||||||
1973 | 48.52 | 55.43 | 54.19 | 68.30 | 83.32 | 93.80 | 97.23 | a | 95.89 | c | 88.57 | 78.35 | 61.48 | a | 57.13 | 73.52 | ||||||||||
1974 | 51.13 | 57.71 | 65.26 | 71.40 | 83.13 | a | 96.21 | b | 94.00 | 94.06 | 90.03 | 78.29 | 63.70 | 52.65 | 74.80 | |||||||||||
1975 | 54.19 | 55.50 | 58.55 | 62.33 | 78.55 | 90.23 | 95.52 | 95.19 | 90.30 | 76.68 | 64.03 | 56.94 | 73.17 | |||||||||||||
1976 | 57.58 | 60.48 | 60.42 | 66.60 | 83.10 | 90.20 | 94.35 | 93.42 | 83.38 | a | 73.23 | 67.10 | 58.16 | 74.00 | ||||||||||||
1977 | 52.29 | 63.96 | 59.32 | 74.63 | 72.48 | 92.50 | 96.16 | 94.23 | 88.79 | a | 80.90 | 67.13 | 60.74 | 75.26 | ||||||||||||
1978 | 52.55 | 56.54 | 64.39 | 66.33 | 79.32 | 93.57 | 97.45 | 95.32 | 87.00 | 82.23 | 59.60 | 49.45 | 73.65 | |||||||||||||
1979 | 45.55 | 55.33 | a | 60.32 | 71.03 | 79.58 | 92.07 | 97.19 | 91.81 | 95.10 | 81.68 | 62.60 | 60.42 | 74.39 | ||||||||||||
1980 | 54.94 | 60.66 | 58.97 | 70.60 | 74.87 | 91.63 | 98.35 | 95.48 | 90.73 | 80.35 | 68.67 | 64.48 | 75.81 | |||||||||||||
1981 | 62.26 | 61.82 | 62.32 | 75.80 | 80.65 | 96.90 | 98.10 | 97.10 | 88.78 | c | 72.29 | c | 68.60 | 60.84 | 77.12 | |||||||||||
1982 | 53.71 | 58.79 | 61.26 | 70.41 | a | 80.84 | 89.21 | a | 93.73 | a | 92.71 | 85.50 | 74.26 | 60.03 | 52.39 | c | 72.74 | |||||||||
1983 | 56.68 | 57.32 | 60.31 | b | 64.24 | a | 80.97 | 90.10 | 96.10 | 90.03 | 89.17 | 76.35 | 63.03 | 56.74 | 73.42 | |||||||||||
1984 | 57.39 | 61.14 | 67.87 | 70.77 | 89.26 | 90.00 | 93.16 | 90.84 | 90.50 | 71.26 | 66.36 | e | 51.06 | 74.97 | ||||||||||||
1985 | 51.17 | b | 57.11 | a | 62.87 | a | 76.23 | 83.53 | a | 94.97 | 98.07 | a | 96.26 | 83.83 | 76.52 | 58.90 | a | 57.61 | 74.76 | |||||||
1986 | 63.63 | a | 61.56 | a | 68.97 | 72.50 | 83.87 | 95.21 | a | 93.87 | 96.35 | 82.13 | 73.75 | c | 65.24 | a | 55.77 | 76.07 | ||||||||
1987 | 53.23 | 58.14 | 60.00 | 77.27 | 80.06 | 93.33 | 93.71 | 93.26 | 88.80 | 80.61 | 61.10 | 50.07 | a | 74.13 | ||||||||||||
1988 | 51.77 | 60.66 | 65.03 | 69.72 | a | 80.73 | a | 91.62 | a | 98.19 | 91.87 | 85.79 | a | 83.77 | 64.79 | a | 53.35 | 74.78 | ||||||||
1989 | 51.29 | 57.54 | 69.39 | 80.43 | 82.29 | 91.23 | 97.55 | 92.94 | 88.62 | a | 76.68 | 66.77 | 56.77 | 75.96 | ||||||||||||
1990 | 53.47 | a | 53.93 | 65.61 | 73.40 | 78.65 | 92.03 | 92.84 | 91.26 | 87.83 | a | 79.70 | a | 64.23 | ----- | z | 75.72 | a | ||||||||
1991 | 52.59 | b | 65.81 | a | 55.06 | 68.97 | 76.48 | 85.24 | a | 95.16 | 93.61 | 87.67 | 80.19 | 63.11 | b | 54.06 | 73.16 | |||||||||
1992 | 53.26 | 58.52 | b | 60.20 | a | 74.63 | 81.32 | 89.87 | 93.84 | 95.32 | c | 90.43 | 80.58 | 59.60 | 50.26 | 73.99 | ||||||||||
1993 | 52.52 | 55.93 | 66.29 | 73.83 | 84.73 | a | 91.07 | 92.81 | 94.90 | 89.15 | j | ----- | z | ----- | z | ----- | z | 76.51 | d | |||||||
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 | 55.93 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.10 | 59.16 | 62.85 | 71.26 | 80.94 | 91.67 | 95.85 | 93.87 | 88.16 | 77.17 | 63.81 | 54.83 | 74.47 | |||||||||||||
S.D. | 3.71 | 3.29 | 4.59 | 4.15 | 3.53 | 2.55 | 2.00 | 2.24 | 2.70 | 4.00 | 3.31 | 4.35 | 1.08 | |||||||||||||
SKEW | 0.49 | 0.21 | 0.44 | -0.07 | -0.36 | -0.02 | -0.05 | 0.07 | -0.08 | -0.25 | 0.02 | 0.37 | 0.46 | |||||||||||||
MAX | 63.63 | 65.81 | 74.81 | 80.43 | 89.26 | 96.90 | 98.97 | 98.81 | 95.10 | 83.77 | 70.53 | 64.48 | 77.12 | |||||||||||||
MIN | 45.55 | 53.93 | 54.19 | 62.33 | 72.48 | 85.24 | 92.81 | 90.03 | 82.13 | 69.55 | 57.43 | 48.48 | 72.74 | |||||||||||||
YRS | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 24 |