YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | 52.93 | q | 57.30 | 59.00 | 67.35 | 70.16 | 81.50 | a | 88.08 | 86.95 | 78.52 | 74.00 | 60.95 | 55.43 | a | 70.84 | a | |||||||||
1951 | 49.53 | 53.36 | 57.42 | 65.13 | c | 74.80 | c | 79.68 | 91.22 | o | 85.53 | 80.42 | 70.23 | 57.10 | 50.06 | 65.75 | a | |||||||||
1952 | 49.58 | 51.74 | 53.71 | 66.38 | 76.18 | 80.20 | 86.42 | 87.60 | 82.43 | 72.48 | 54.62 | 50.19 | 67.63 | |||||||||||||
1953 | 53.31 | 51.93 | 59.76 | 62.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.86 | b | 47.71 | 55.58 | f | |||||
1954 | 50.55 | 58.57 | 56.05 | c | 68.18 | 68.08 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.63 | a | 57.00 | g | |||
1955 | 46.35 | 49.09 | 58.11 | 62.83 | 72.60 | a | 81.62 | ----- | z | 85.17 | d | 81.03 | a | 74.24 | 56.86 | b | 53.53 | a | 65.59 | a | ||||||
1956 | 53.41 | c | 48.71 | 60.02 | 65.07 | a | 75.48 | 85.62 | a | 86.77 | r | 85.07 | a | 84.17 | 68.84 | 55.95 | a | 49.98 | a | 66.57 | a | |||||
1957 | 52.16 | 61.74 | e | 59.65 | a | 64.47 | 70.68 | 84.73 | 89.30 | a | 85.48 | a | 80.20 | b | 68.74 | b | 53.72 | a | 52.29 | 68.60 | ||||||
1958 | 50.50 | c | 55.72 | a | 54.74 | 67.65 | d | 79.39 | 84.90 | 90.16 | 88.77 | e | 82.86 | a | 73.43 | b | 58.95 | a | 55.23 | a | 70.19 | |||||
1959 | 52.16 | c | 51.92 | b | 60.30 | a | ----- | z | 73.48 | 87.33 | 91.48 | 87.35 | a | 82.19 | a | 71.17 | b | 59.84 | b | 51.70 | a | 69.90 | a | |||
1960 | 46.75 | c | 47.87 | c | 61.61 | 67.28 | a | 74.53 | a | 86.40 | 89.60 | 87.69 | 84.71 | b | 73.75 | q | 59.33 | 50.29 | 68.73 | a | ||||||
1961 | 53.86 | b | 55.30 | 58.70 | a | 67.65 | 74.24 | 86.77 | 89.55 | 87.32 | 79.88 | b | 70.13 | 55.53 | a | 50.68 | a | 69.13 | ||||||||
1962 | 50.21 | 55.46 | 54.84 | 71.36 | a | 72.26 | 82.76 | c | 88.63 | 90.84 | 83.62 | a | 71.58 | 63.69 | a | 55.42 | 70.06 | |||||||||
1963 | 49.47 | 60.91 | 60.37 | 64.38 | 78.79 | 81.08 | 90.85 | 87.57 | a | 86.30 | 76.34 | 61.57 | 52.44 | 70.84 | ||||||||||||
1964 | 48.66 | 50.22 | 56.84 | 66.28 | 74.50 | 83.32 | 91.81 | 87.47 | 82.32 | 76.15 | 56.69 | a | 53.34 | 68.97 | ||||||||||||
1965 | 53.60 | 54.05 | 57.19 | 64.92 | 72.50 | 78.63 | 90.76 | 89.98 | 80.22 | 74.21 | 62.47 | 53.50 | 69.34 | |||||||||||||
1966 | 49.24 | 50.41 | 61.13 | 70.15 | 79.97 | 85.78 | 91.97 | 90.29 | 83.05 | 71.03 | 61.45 | 52.55 | 70.59 | |||||||||||||
1967 | 51.05 | 56.89 | 62.82 | 62.35 | 75.16 | 81.98 | 91.02 | 90.37 | 84.13 | 74.45 | 64.20 | 48.76 | 70.27 | |||||||||||||
1968 | 52.74 | 59.97 | 60.73 | 66.75 | 76.27 | 85.65 | 90.40 | g | 86.06 | 83.87 | 72.37 | 60.53 | a | 50.06 | 68.64 | a | ||||||||||
1969 | 55.53 | 54.23 | 57.98 | 69.70 | 79.40 | 84.80 | 92.98 | 94.48 | 86.47 | 70.48 | 61.35 | 55.37 | 71.90 | |||||||||||||
1970 | 45.69 | w | ----- | z | 58.22 | a | 63.09 | b | 78.03 | n | 86.76 | m | 94.11 | l | 91.88 | n | 82.40 | i | 69.03 | m | 59.82 | 51.00 | 58.03 | h | ||
1971 | 51.34 | 54.41 | 61.34 | 65.32 | 71.66 | 83.13 | 92.15 | 87.35 | 82.95 | 67.63 | 58.52 | 49.90 | 68.81 | |||||||||||||
1972 | 50.65 | 57.57 | 67.72 | a | 68.30 | 75.71 | 85.31 | a | 91.73 | 87.71 | 82.37 | 69.42 | 55.28 | 49.90 | 70.14 | |||||||||||
1973 | 49.26 | 55.21 | 53.71 | 64.40 | 77.98 | a | 85.57 | 90.77 | 90.63 | 81.67 | 72.18 | 58.28 | 53.55 | 69.43 | ||||||||||||
1974 | 52.29 | 54.86 | 61.48 | 68.08 | 76.37 | 89.08 | 89.90 | 87.23 | 84.22 | 72.52 | 59.27 | 48.98 | 70.36 | |||||||||||||
1975 | 50.44 | 52.86 | 57.34 | 60.48 | 72.85 | 82.77 | 91.13 | 89.21 | 84.28 | 69.95 | 59.43 | 53.19 | 68.66 | |||||||||||||
1976 | 53.71 | 58.76 | 59.10 | 65.00 | 76.82 | 84.33 | 90.32 | 88.06 | 81.32 | 69.92 | 60.58 | 53.37 | 70.11 | |||||||||||||
1977 | 51.89 | 58.30 | 56.73 | 69.10 | 70.87 | 86.48 | 91.84 | 90.06 | 83.97 | 75.58 | 62.17 | 56.60 | 71.13 | |||||||||||||
1978 | 54.23 | a | 56.57 | 61.98 | 63.42 | 74.08 | a | 86.10 | 91.66 | 88.47 | 83.93 | 75.37 | 59.32 | 49.44 | 70.38 | |||||||||||
1979 | 47.11 | 53.04 | 57.23 | 64.93 | 75.79 | 85.57 | 89.69 | 86.47 | 87.93 | 73.21 | 57.08 | 53.95 | 69.33 | |||||||||||||
1980 | 54.24 | 58.53 | 57.74 | 66.27 | 71.61 | 84.48 | 93.21 | 89.12 | a | 83.70 | 72.45 | 60.68 | 58.69 | 70.89 | ||||||||||||
1981 | 56.71 | 57.93 | 59.83 | a | 71.22 | 76.03 | a | 89.65 | 91.56 | 91.19 | 84.82 | 69.40 | 62.05 | 54.68 | a | 72.09 | ||||||||||
1982 | 51.30 | a | 57.44 | a | 57.98 | d | 67.09 | a | 74.98 | a | 82.05 | a | 89.11 | 89.98 | a | 81.97 | a | 68.88 | b | 57.86 | e | 50.56 | f | 70.79 | a | |
1983 | 51.84 | f | 55.10 | d | 57.40 | e | 60.70 | e | 74.61 | c | 82.30 | 91.34 | c | 89.05 | 88.50 | d | 73.18 | a | 59.04 | f | 53.34 | f | 74.69 | c | ||
1984 | 54.43 | b | 56.40 | d | 63.68 | a | 66.82 | b | 80.97 | b | 86.00 | a | ----- | z | 88.48 | 84.86 | b | 68.02 | 59.03 | 51.76 | 69.13 | a | ||||
1985 | 52.14 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.14 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 51.47 | 55.07 | 58.93 | 66.03 | 75.02 | 84.24 | 90.63 | 88.34 | 83.21 | 71.86 | 59.15 | 52.28 | 69.95 | |||||||||||||
S.D. | 2.48 | 3.49 | 2.88 | 2.71 | 2.80 | 2.60 | 1.52 | 2.05 | 2.26 | 2.47 | 2.58 | 2.54 | 1.10 | |||||||||||||
SKEW | -0.13 | -0.24 | 0.57 | -0.02 | 0.26 | -0.14 | -0.72 | 0.66 | 0.26 | 0.12 | -0.14 | 0.40 | 0.01 | |||||||||||||
MAX | 56.71 | 61.74 | 67.72 | 71.36 | 80.97 | 89.65 | 93.21 | 94.48 | 88.50 | 76.34 | 64.20 | 58.69 | 72.09 | |||||||||||||
MIN | 46.35 | 47.87 | 53.71 | 60.48 | 70.16 | 78.63 | 86.42 | 85.07 | 78.52 | 67.63 | 53.72 | 47.71 | 67.63 | |||||||||||||
YRS | 33 | 34 | 35 | 34 | 32 | 32 | 27 | 32 | 32 | 31 | 33 | 33 | 22 |