YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.79 | a | 85.37 | 81.65 | 76.90 | 63.98 | 57.93 | 47.71 | 70.33 | e | ||||||
1967 | 47.02 | 51.09 | 63.81 | 73.78 | a | 76.02 | 83.75 | 83.53 | 79.27 | 73.43 | 65.85 | 58.30 | 45.23 | 66.76 | ||||||||||||
1968 | 47.03 | b | 48.16 | 55.19 | 66.42 | 75.80 | a | 82.50 | 80.76 | 82.87 | 73.58 | 69.53 | 54.57 | 47.03 | 65.29 | |||||||||||
1969 | 50.42 | 51.86 | 53.03 | 69.05 | 73.97 | 83.10 | 86.97 | 84.94 | 78.13 | 66.24 | 54.20 | 52.16 | 67.01 | |||||||||||||
1970 | 45.03 | 51.04 | 54.45 | 69.10 | 72.40 | 79.07 | 82.61 | 83.11 | 76.35 | 62.08 | 53.35 | 53.02 | 65.13 | |||||||||||||
1971 | 51.60 | 51.48 | 59.74 | 65.78 | 75.61 | 79.70 | 81.35 | 76.97 | a | 75.45 | 67.63 | 57.72 | 50.55 | 66.13 | ||||||||||||
1972 | 51.65 | 52.74 | 64.44 | 72.88 | 74.08 | 81.37 | 81.44 | 79.32 | 78.98 | 67.73 | 51.98 | 46.68 | 66.94 | |||||||||||||
1973 | 43.45 | 47.48 | a | 60.61 | 64.48 | 73.82 | a | 80.58 | 81.76 | 80.76 | 77.12 | 67.71 | 60.37 | 49.57 | c | 65.64 | ||||||||||
1974 | 47.81 | 51.20 | 65.65 | 68.95 | 77.65 | 81.77 | 83.31 | 80.77 | a | 70.07 | 66.02 | 53.97 | 46.98 | 66.18 | ||||||||||||
1975 | 48.37 | 50.32 | 57.89 | 65.36 | a | 74.58 | 80.52 | 78.89 | 80.77 | 72.60 | 65.98 | 56.36 | b | 48.92 | a | 65.05 | ||||||||||
1976 | 46.14 | b | 56.67 | 60.07 | b | 68.17 | 70.27 | 81.70 | 77.44 | 80.06 | 75.48 | 59.63 | 49.62 | 45.84 | 64.26 | |||||||||||
1977 | 42.92 | 51.29 | 58.04 | d | 66.10 | 76.77 | 82.02 | 83.87 | a | 86.95 | 82.85 | 68.87 | 58.33 | a | 52.69 | 67.56 | ||||||||||
1978 | 42.39 | 44.66 | 58.40 | 71.82 | 78.29 | 81.73 | 85.47 | a | 81.79 | 74.10 | 64.05 | a | 54.70 | g | 45.85 | a | 66.23 | a | ||||||||
1979 | 38.90 | 47.55 | 58.31 | 67.98 | 72.63 | a | 76.57 | a | 83.80 | a | 80.60 | 75.57 | 68.90 | b | 51.72 | 47.26 | 64.15 | |||||||||
1980 | 48.21 | 48.05 | 58.13 | 65.87 | 75.92 | a | 85.07 | a | 86.74 | 80.34 | b | 76.72 | 63.20 | a | 51.20 | 47.24 | 65.56 | |||||||||
1981 | 47.35 | 49.15 | a | 55.87 | 67.60 | 73.06 | 79.02 | 82.47 | a | 79.28 | a | 76.05 | 66.18 | 56.50 | 49.13 | 65.14 | ||||||||||
1982 | 46.02 | 47.43 | 62.28 | b | 69.29 | d | 73.60 | a | 82.48 | b | 83.95 | 84.32 | 77.83 | c | 64.73 | a | 52.83 | 44.93 | b | 65.81 | ||||||
1983 | 44.72 | b | 49.29 | 57.78 | a | 64.59 | b | 75.81 | 79.75 | 84.60 | a | 83.50 | 78.84 | a | 68.62 | a | 62.37 | g | 41.21 | b | 66.25 | a | ||||
1984 | 43.69 | b | 51.28 | 59.43 | a | 68.10 | a | 76.76 | 81.18 | 82.65 | 83.10 | 75.22 | c | 65.02 | a | 52.81 | a | 51.08 | a | 65.86 | ||||||
1985 | 41.25 | a | 46.18 | c | 59.58 | 67.93 | b | 77.24 | d | 80.10 | 81.32 | a | 83.71 | 78.12 | 68.55 | k | 60.92 | e | 45.37 | a | 65.61 | a | ||||
1986 | 49.43 | a | 55.50 | d | 62.02 | 73.17 | a | 76.79 | b | ----- | z | 83.11 | i | 82.40 | j | 79.92 | e | 65.45 | c | 54.79 | d | ----- | z | 64.63 | d | |
1987 | 47.70 | h | 50.52 | c | 53.78 | d | 64.44 | c | 74.46 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.25 | i |
1988 | ----- | z | ----- | z | ----- | z | 67.84 | k | 72.26 | f | 79.98 | 82.66 | 82.54 | d | 76.59 | a | 67.15 | 59.28 | a | 49.19 | d | 71.05 | e | |||
1989 | 49.58 | a | 46.96 | a | ----- | z | 75.17 | u | 80.85 | g | 82.15 | c | 84.45 | 83.79 | c | 79.50 | h | 64.87 | h | 56.50 | a | 40.95 | a | 63.48 | e | |
1990 | 49.73 | g | 52.60 | c | 59.72 | a | 66.93 | b | 77.05 | j | 86.97 | 80.50 | 80.05 | c | 75.52 | 62.07 | d | 56.30 | b | 46.38 | b | 66.70 | b | |||
1991 | 45.18 | f | 53.70 | 62.84 | c | 70.38 | 78.84 | 82.45 | 82.98 | c | 83.52 | d | 74.52 | d | 66.09 | d | 50.57 | b | 48.75 | c | 68.60 | a | ||||
1992 | 45.81 | 53.78 | 61.45 | a | 66.83 | 71.06 | d | 81.98 | a | 83.32 | c | 81.21 | 77.75 | d | 69.10 | f | 51.52 | d | 48.94 | f | 67.47 | b | ||||
1993 | 47.71 | g | 52.41 | f | 60.79 | c | 67.04 | e | 75.62 | a | 82.64 | a | 85.69 | e | 87.10 | b | 75.90 | a | 67.31 | e | 51.26 | k | ----- | z | 75.26 | d |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | 75.87 | a | 85.19 | c | 84.25 | a | 82.98 | c | 76.22 | c | 70.32 | f | ----- | z | ----- | z | 80.90 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.31 | 50.40 | 59.33 | 68.08 | 75.10 | 81.56 | 83.04 | 82.05 | 76.29 | 65.83 | 55.07 | 47.65 | 65.78 | |||||||||||||
S.D. | 3.33 | 2.93 | 3.27 | 2.67 | 2.20 | 2.19 | 2.21 | 2.36 | 2.50 | 2.44 | 3.21 | 3.10 | 0.96 | |||||||||||||
SKEW | -0.30 | 0.13 | -0.10 | 0.66 | -0.43 | 0.25 | -0.46 | 0.23 | 0.08 | -0.68 | 0.12 | -0.26 | 0.09 | |||||||||||||
MAX | 51.65 | 56.67 | 65.65 | 73.78 | 78.84 | 86.97 | 86.97 | 87.10 | 82.85 | 69.53 | 60.92 | 53.02 | 67.56 | |||||||||||||
MIN | 38.90 | 44.66 | 53.03 | 64.44 | 70.27 | 76.57 | 77.44 | 76.97 | 70.07 | 59.63 | 49.62 | 40.95 | 64.15 | |||||||||||||
YRS | 22 | 25 | 25 | 25 | 24 | 27 | 27 | 27 | 27 | 24 | 24 | 24 | 16 |