YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | ----- | z | 56.12 | a | 56.45 | b | 58.98 | a | 70.16 | 79.74 | c | 86.03 | b | 81.90 | b | 76.67 | 66.53 | b | 54.72 | c | 40.81 | 66.19 | a | |||
1969 | 48.32 | 47.33 | b | 52.71 | b | 62.88 | a | 73.56 | 79.40 | 87.77 | a | 90.82 | a | 80.81 | a | 62.56 | 54.60 | 46.62 | b | 65.61 | ||||||
1970 | 44.08 | 53.54 | a | 54.67 | a | 58.22 | c | 72.24 | b | 81.59 | b | 87.13 | 86.68 | a | 75.24 | e | 62.88 | b | 55.38 | a | 44.40 | a | 64.67 | |||
1971 | 43.83 | e | 48.50 | 54.31 | 61.03 | a | 65.83 | e | 78.82 | m | 87.00 | b | 86.13 | e | 72.21 | f | 60.03 | 49.38 | a | 42.06 | 59.81 | b | ||||
1972 | 41.05 | 49.76 | 61.13 | 62.55 | a | 71.19 | e | 79.22 | a | 85.55 | b | 84.00 | d | 75.28 | c | 61.90 | g | 49.05 | a | 41.55 | 63.67 | a | ||||
1973 | 40.40 | a | 50.05 | 50.28 | a | 58.80 | 73.31 | b | 79.38 | 85.07 | d | 84.19 | b | 75.59 | b | 65.79 | b | 51.79 | b | 45.33 | d | 63.33 | ||||
1974 | 41.36 | b | 47.33 | y | 61.38 | n | 60.96 | b | 73.02 | a | 82.67 | d | 85.72 | a | 83.22 | a | 80.69 | c | 67.64 | b | 53.07 | b | 41.89 | d | 67.02 | b |
1975 | 41.64 | f | 47.92 | c | 52.37 | d | 56.50 | c | 67.67 | j | 78.67 | f | 87.46 | c | 80.84 | i | 76.79 | f | 64.00 | g | 52.30 | e | 48.38 | f | 59.31 | g |
1976 | 46.84 | b | 52.23 | e | 52.93 | b | 59.64 | a | 73.82 | 78.48 | c | 86.46 | c | 79.81 | d | 75.09 | a | 63.92 | a | 54.62 | b | 43.34 | 63.93 | |||
1977 | 43.87 | 52.67 | d | 51.34 | b | 64.27 | b | 64.12 | e | 83.02 | e | 87.25 | g | 86.10 | k | 78.24 | a | 68.88 | n | 53.24 | m | 49.16 | c | 60.84 | d | |
1978 | 47.05 | a | 50.48 | 58.37 | a | 59.02 | j | 67.33 | m | 81.94 | c | 87.59 | b | 83.98 | a | 77.39 | b | 68.52 | a | 52.07 | c | 41.74 | 64.91 | b | ||
1979 | 41.22 | f | 47.19 | b | 54.32 | a | 61.19 | d | 71.36 | b | 79.18 | 84.12 | b | 81.36 | b | 80.53 | j | 68.12 | c | 51.09 | a | 46.03 | 64.40 | b | ||
1980 | 48.15 | 52.05 | h | 52.23 | c | 60.52 | g | 67.12 | b | 77.62 | d | 86.27 | e | 82.65 | 76.78 | 66.52 | g | 53.45 | b | 49.95 | b | 66.02 | c | |||
1981 | 48.52 | e | 49.06 | b | 54.71 | e | 67.64 | h | 71.00 | j | 84.82 | e | 89.54 | g | 85.03 | l | 79.50 | b | 63.95 | c | 56.29 | d | 47.25 | a | 60.51 | d |
1982 | 41.61 | 47.96 | b | 53.71 | b | 60.28 | 72.28 | a | 78.77 | 84.34 | 84.84 | c | 75.54 | e | 62.41 | b | 51.07 | b | 44.29 | b | 63.09 | |||||
1983 | 45.13 | e | 50.58 | b | 55.53 | 58.33 | c | 69.98 | a | 79.07 | c | 83.77 | a | 83.42 | 80.84 | b | 65.76 | b | 53.98 | 45.32 | a | 64.31 | ||||
1984 | 47.10 | 48.64 | a | 57.14 | b | 62.65 | c | 77.02 | 80.97 | 88.78 | a | 85.67 | a | 81.77 | d | ----- | z | 55.10 | a | ----- | z | 68.48 | b | |||
1985 | 46.45 | a | 48.96 | 56.45 | c | 66.90 | 75.53 | 84.57 | b | 90.29 | 86.92 | 74.71 | b | 66.40 | b | 52.72 | a | 48.65 | 66.55 | |||||||
1986 | 52.15 | 54.72 | a | 62.89 | 66.10 | a | 76.06 | 85.48 | 86.10 | a | 89.90 | f | 74.59 | c | 66.24 | b | 57.50 | 47.60 | a | 66.31 | a | |||||
1987 | 46.13 | 53.38 | c | 55.52 | b | 70.61 | b | 76.78 | a | 84.05 | 84.34 | 86.00 | i | 78.87 | c | 71.20 | c | 59.12 | d | 44.53 | a | 65.87 | a | |||
1988 | 43.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.20 | h | 75.19 | 56.32 | 47.66 | c | 55.71 | h | |||
1989 | 44.97 | b | 50.85 | b | 61.69 | 72.32 | 75.50 | 84.32 | 91.92 | 86.19 | 80.42 | 68.55 | a | 58.33 | a | 48.66 | 68.64 | |||||||||
1990 | 45.54 | c | 49.58 | c | 60.95 | 69.45 | 73.81 | 84.47 | 89.50 | 85.06 | 80.98 | 67.69 | 54.68 | 40.92 | 66.89 | |||||||||||
1991 | 45.38 | b | 56.71 | 52.53 | a | 62.65 | 70.16 | 78.87 | 89.79 | 88.37 | 81.12 | a | 72.18 | 55.39 | b | 47.07 | a | 66.69 | ||||||||
1992 | 45.96 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.96 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.34 | 50.77 | 55.56 | 62.72 | 72.14 | 81.32 | 86.90 | 84.73 | 78.01 | 66.61 | 54.00 | 45.22 | 65.37 | |||||||||||||
S.D. | 2.81 | 2.82 | 3.54 | 4.37 | 3.53 | 2.55 | 2.19 | 2.63 | 2.58 | 3.69 | 2.63 | 2.87 | 1.80 | |||||||||||||
SKEW | 0.18 | 0.70 | 0.68 | 0.79 | -0.68 | 0.26 | 0.56 | 0.34 | 0.05 | 0.46 | -0.02 | -0.08 | 0.35 | |||||||||||||
MAX | 52.15 | 56.71 | 62.89 | 72.32 | 77.02 | 85.48 | 91.92 | 90.82 | 81.77 | 75.19 | 59.12 | 49.95 | 68.64 | |||||||||||||
MIN | 40.40 | 47.19 | 50.28 | 56.50 | 64.12 | 77.62 | 83.77 | 79.81 | 74.59 | 60.03 | 49.05 | 40.81 | 63.09 | |||||||||||||
YRS | 22 | 21 | 22 | 20 | 20 | 21 | 21 | 18 | 20 | 19 | 23 | 22 | 10 |