YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1964 | ----- | z | 40.89 | a | 46.71 | 53.23 | 59.87 | 70.10 | 79.35 | 78.32 | 70.20 | 65.84 | 47.00 | 43.97 | 59.59 | a | ||||||||||
1965 | 44.71 | 45.46 | 46.81 | 56.47 | 59.48 | 65.07 | 78.03 | 77.87 | 68.73 | 64.19 | 55.53 | 47.81 | 59.18 | |||||||||||||
1966 | 42.42 | 42.86 | 51.73 | a | 57.07 | 67.10 | 72.23 | 80.94 | 81.10 | 74.30 | 61.87 | 54.17 | 48.10 | 61.16 | ||||||||||||
1967 | 44.90 | 48.43 | 49.39 | 48.20 | 61.07 | c | 67.17 | 82.68 | 81.93 | a | 73.87 | 64.97 | 53.90 | 41.00 | a | 59.79 | ||||||||||
1968 | 44.42 | 53.69 | 51.10 | 53.53 | 62.74 | 70.34 | a | 76.39 | 75.65 | 71.37 | 61.74 | 54.07 | 40.42 | 59.62 | ||||||||||||
1969 | 49.48 | 45.89 | 48.39 | 55.93 | 65.52 | 68.83 | 81.35 | 84.23 | 76.23 | 59.03 | 53.47 | 46.74 | 61.26 | |||||||||||||
1970 | ----- | z | 48.32 | 50.58 | 51.67 | 64.45 | 71.90 | a | 82.35 | 81.71 | 70.50 | 58.71 | 50.83 | 44.48 | 61.41 | a | ||||||||||
1971 | 43.52 | 46.50 | 49.58 | 52.60 | 58.77 | 68.83 | 78.84 | 78.74 | 72.90 | 54.86 | b | 47.60 | 39.77 | 57.71 | ||||||||||||
1972 | 39.95 | i | 47.86 | 56.91 | i | ----- | z | 61.73 | a | 73.00 | 81.97 | 78.10 | 71.03 | a | 62.17 | a | 48.07 | 44.39 | 63.15 | c | ||||||
1973 | 42.61 | 48.29 | 47.19 | 55.70 | 65.77 | 74.20 | 78.77 | 77.97 | 70.00 | 60.77 | 48.43 | 45.94 | 59.64 | |||||||||||||
1974 | 45.13 | 44.43 | 51.65 | 56.43 | 62.23 | 75.90 | 79.77 | 76.55 | 76.37 | 63.77 | 54.33 | 42.06 | 60.72 | |||||||||||||
1975 | 41.87 | 41.39 | 45.77 | a | 48.17 | 61.90 | 69.27 | 77.19 | 77.97 | 75.10 | 59.55 | 52.13 | 45.70 | a | 58.00 | |||||||||||
1976 | 46.03 | 47.84 | d | 47.77 | 52.97 | 64.13 | 71.40 | 78.39 | 76.19 | 71.37 | 63.61 | 53.00 | 46.87 | 59.96 | ||||||||||||
1977 | 44.77 | 50.54 | 44.67 | a | 56.30 | 57.61 | 74.23 | 80.61 | 79.58 | 73.83 | 67.06 | 57.03 | 49.16 | 61.28 | ||||||||||||
1978 | 47.07 | a | 44.21 | 56.00 | 54.15 | d | 61.77 | 74.03 | a | 79.80 | a | 78.03 | 72.47 | 67.31 | b | 51.87 | 43.61 | 60.86 | ||||||||
1979 | 43.52 | 44.96 | c | 50.97 | a | 56.48 | e | 63.74 | 73.00 | b | 78.19 | 77.00 | 77.93 | 64.26 | 49.80 | 48.48 | 60.69 | |||||||||
1980 | 50.10 | 52.52 | 50.74 | 57.20 | 59.77 | 72.57 | 82.87 | a | 79.19 | 74.97 | 65.16 | 53.73 | 52.10 | 62.58 | ||||||||||||
1981 | 50.39 | 51.68 | 51.71 | 58.33 | 64.68 | 77.93 | 82.87 | 82.48 | 76.97 | 60.06 | 54.97 | 49.39 | 63.45 | |||||||||||||
1982 | 45.13 | 50.75 | 50.81 | 56.80 | 62.84 | 69.07 | a | 78.67 | a | 80.81 | 72.47 | 61.68 | 52.37 | 44.77 | 60.51 | |||||||||||
1983 | 49.10 | 49.43 | 51.45 | 52.47 | 63.19 | 70.50 | 80.42 | 78.97 | 78.30 | 66.10 | a | 53.20 | 48.45 | 61.80 | ||||||||||||
1984 | 49.19 | 48.34 | 52.65 | 55.13 | 70.13 | 73.00 | 80.39 | 79.10 | 79.20 | 60.45 | 50.10 | 47.13 | 62.07 | |||||||||||||
1985 | 45.45 | 46.57 | 50.48 | d | 61.04 | b | 66.10 | b | 73.32 | b | 80.83 | b | 80.03 | 65.70 | 62.64 | c | 50.41 | a | 48.13 | a | 60.89 | |||||
1986 | 53.00 | 51.37 | a | 55.19 | 58.00 | d | 66.64 | f | 75.40 | 77.77 | a | 83.00 | 68.23 | 60.48 | 54.69 | a | 47.84 | 62.27 | a | |||||||
1987 | 44.55 | 46.96 | 50.92 | g | 62.68 | b | 65.87 | a | 74.14 | b | 76.52 | b | 79.65 | 73.07 | a | 68.26 | 54.13 | 43.17 | a | 62.64 | a | |||||
1988 | 46.42 | 52.28 | 54.00 | a | 56.38 | a | 67.78 | h | 73.64 | b | 79.97 | 78.64 | c | 73.73 | 69.74 | 52.45 | a | 46.33 | a | 62.14 | a | |||||
1989 | 46.03 | a | 48.32 | 56.81 | d | 62.63 | 63.81 | d | 72.36 | b | 80.55 | b | 77.52 | 71.57 | 63.66 | b | 54.07 | 47.48 | 62.07 | |||||||
1990 | 44.06 | 43.56 | a | 52.32 | c | 57.97 | 60.19 | 72.67 | 76.00 | y | 77.37 | a | 74.23 | 62.94 | 51.77 | 40.45 | 57.96 | a | ||||||||
1991 | 45.61 | 52.96 | 47.06 | 54.31 | a | 59.56 | d | 68.20 | 76.48 | 78.06 | ----- | z | 66.40 | a | 52.68 | b | 47.52 | b | 58.99 | a | ||||||
1992 | 47.52 | 52.28 | 51.68 | 60.45 | a | 67.26 | 70.60 | 77.68 | 80.06 | 74.73 | 64.50 | a | 49.50 | 43.65 | 61.66 | |||||||||||
1993 | 47.84 | 48.08 | b | 53.63 | a | 57.90 | 66.20 | a | 74.00 | n | 75.39 | 77.83 | b | 72.73 | 64.32 | 50.13 | 44.90 | 59.91 | a | |||||||
1994 | ----- | z | ----- | z | ----- | z | 57.40 | 62.07 | a | 76.52 | a | 80.55 | 82.68 | 74.77 | 61.06 | 44.25 | b | 45.52 | 64.98 | c | ||||||
1995 | 46.68 | i | 55.22 | a | 54.58 | 56.13 | 60.74 | 71.10 | 81.84 | 84.55 | 78.93 | a | 63.32 | 57.14 | a | 51.28 | m | 66.36 | b | |||||||
1996 | 53.00 | r | 54.28 | 55.06 | 60.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.55 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.11 | 48.32 | 50.88 | 56.06 | 63.01 | 71.95 | 79.59 | 79.40 | 73.41 | 63.14 | 52.09 | 45.66 | 60.71 | |||||||||||||
S.D. | 2.72 | 3.75 | 3.13 | 3.46 | 2.93 | 2.85 | 2.07 | 2.29 | 3.20 | 3.12 | 2.95 | 2.96 | 1.42 | |||||||||||||
SKEW | 0.67 | -0.09 | -0.07 | -0.27 | 0.29 | -0.21 | -0.17 | 0.64 | -0.16 | -0.23 | -0.61 | -0.26 | -0.35 | |||||||||||||
MAX | 53.00 | 55.22 | 56.81 | 62.68 | 70.13 | 77.93 | 82.87 | 84.55 | 79.20 | 69.74 | 57.14 | 52.10 | 63.45 | |||||||||||||
MIN | 41.87 | 40.89 | 44.67 | 48.17 | 57.61 | 65.07 | 75.39 | 75.65 | 65.70 | 54.86 | 44.25 | 39.77 | 57.71 | |||||||||||||
YRS | 27 | 32 | 30 | 32 | 30 | 31 | 31 | 32 | 31 | 32 | 32 | 31 | 21 |