YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.78 | a | 86.87 | 86.05 | 84.93 | 77.94 | 60.43 | 56.56 | 76.79 | e | ||||||
1956 | 56.74 | 50.81 | 62.48 | 67.00 | 79.23 | 89.33 | 90.55 | 88.66 | 87.72 | 72.15 | 61.57 | 55.03 | 71.77 | |||||||||||||
1957 | 53.71 | 61.95 | 61.39 | 66.80 | 73.61 | 89.17 | 92.79 | 88.82 | 84.63 | 71.11 | 56.70 | 56.23 | 71.41 | |||||||||||||
1958 | 54.24 | 59.02 | 56.74 | 67.65 | 83.08 | 89.40 | 93.32 | 91.76 | 85.87 | 76.27 | 61.68 | 58.82 | 73.15 | |||||||||||||
1959 | 56.31 | 54.93 | 63.60 | 74.57 | 77.35 | 92.10 | 94.73 | 88.69 | 84.67 | 73.77 | 62.98 | 54.82 | 73.21 | |||||||||||||
1960 | 48.66 | 50.28 | 63.60 | 69.95 | 77.69 | 90.67 | 93.24 | 90.23 | 87.70 | h | 70.98 | 62.47 | 52.89 | 70.06 | a | |||||||||||
1961 | 57.77 | 58.16 | 61.48 | 70.87 | 77.53 | 90.45 | 92.47 | 89.29 | 82.28 | 72.18 | 58.02 | 52.84 | 71.95 | |||||||||||||
1962 | 52.00 | 55.71 | 56.39 | 74.83 | 75.58 | 85.47 | 92.31 | 93.73 | 86.52 | 75.02 | 64.92 | 57.19 | 72.47 | |||||||||||||
1963 | 50.23 | 61.91 | 60.27 | 65.72 | 81.16 | 83.93 | 93.39 | 87.79 | 87.63 | 78.05 | 62.78 | 54.61 | 72.29 | |||||||||||||
1964 | 50.55 | 51.22 | 57.74 | 66.62 | 75.47 | 85.08 | 91.94 | 87.98 | 83.47 | 77.32 | 57.27 | 53.42 | 69.84 | |||||||||||||
1965 | 54.63 | 55.02 | 57.69 | 66.19 | a | 73.81 | 79.87 | 92.08 | 91.15 | 82.45 | 77.94 | 65.22 | 54.79 | 70.90 | ||||||||||||
1966 | 50.23 | 51.95 | 63.63 | 71.58 | 82.42 | 87.75 | 93.31 | 91.66 | 85.02 | 74.39 | 63.42 | 53.66 | 72.42 | |||||||||||||
1967 | 54.05 | 59.48 | 63.77 | 63.42 | 77.58 | 84.57 | 92.11 | 92.98 | 86.47 | 76.23 | 67.17 | 50.90 | 72.39 | |||||||||||||
1968 | 55.18 | 62.43 | 61.89 | 68.82 | 78.27 | 87.87 | 90.55 | 87.00 | 86.37 | 74.53 | 61.55 | 51.44 | 72.16 | |||||||||||||
1969 | 56.32 | 53.68 | 56.73 | 69.10 | 80.15 | 85.70 | 94.31 | 95.77 | 87.42 | 71.18 | 63.20 | 55.97 | 72.46 | |||||||||||||
1970 | 52.90 | 61.98 | 59.95 | 65.33 | 81.55 | 89.10 | 95.34 | 92.82 | 82.68 | 70.79 | 62.65 | 52.15 | 72.27 | |||||||||||||
1971 | 52.50 | 55.12 | 63.32 | 66.58 | 72.61 | 85.08 | 94.21 | 88.90 | 85.30 | 69.12 | a | 60.10 | 49.79 | 70.22 | ||||||||||||
1972 | 52.13 | 59.88 | 70.55 | 70.78 | 80.39 | 89.12 | 96.11 | 91.26 | 86.18 | 71.13 | 57.58 | 51.50 | 73.05 | |||||||||||||
1973 | 49.71 | s | ----- | z | 53.40 | 63.31 | c | 78.52 | 86.52 | 90.55 | 90.40 | 82.67 | 72.97 | 58.95 | 53.63 | 73.09 | b | |||||||||
1974 | 52.23 | 54.71 | 62.68 | 68.09 | b | 77.65 | 90.36 | a | 90.26 | 88.81 | 84.55 | 73.90 | 60.30 | 49.37 | 71.08 | |||||||||||
1975 | 51.21 | 53.70 | 58.16 | 61.33 | 73.24 | 83.48 | a | 91.19 | 90.27 | 84.67 | 71.73 | 60.45 | 54.27 | 69.48 | ||||||||||||
1976 | 54.21 | 58.83 | 59.53 | 65.88 | 78.06 | 85.42 | 91.55 | 88.83 | a | 86.44 | v | ----- | z | ----- | z | ----- | z | 72.79 | d | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 53.29 | 56.54 | 60.71 | 67.83 | 77.85 | 87.05 | 92.42 | 90.13 | 85.07 | 73.75 | 61.40 | 53.80 | 71.81 | |||||||||||||
S.D. | 2.46 | 4.01 | 3.73 | 3.45 | 3.01 | 2.98 | 2.03 | 2.35 | 1.72 | 2.73 | 2.74 | 2.44 | 1.11 | |||||||||||||
SKEW | 0.02 | 0.02 | 0.41 | 0.34 | -0.10 | -0.36 | -0.58 | 0.54 | -0.15 | 0.23 | 0.06 | 0.03 | -0.76 | |||||||||||||
MAX | 57.77 | 62.43 | 70.55 | 74.83 | 83.08 | 92.10 | 96.11 | 95.77 | 87.72 | 78.05 | 67.17 | 58.82 | 73.21 | |||||||||||||
MIN | 48.66 | 50.28 | 53.40 | 61.33 | 72.61 | 79.87 | 86.87 | 86.05 | 82.28 | 69.12 | 56.70 | 49.37 | 69.48 | |||||||||||||
YRS | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 20 | 21 | 21 | 21 | 18 |