YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 98.19 | e | 98.07 | 105.45 | 106.65 | 99.90 | 84.52 | 73.40 | 67.32 | 91.69 | d | |||||||
1970 | 65.52 | 73.93 | a | 72.45 | 79.03 | 94.77 | 101.17 | 107.13 | 103.39 | 94.83 | 84.42 | 76.27 | 64.58 | 84.79 | ||||||||||||
1971 | 68.13 | 71.36 | 79.58 | 82.43 | 87.13 | 100.73 | 107.26 | 99.63 | a | 98.03 | 81.00 | 74.00 | 61.77 | a | 84.25 | |||||||||||
1972 | 67.84 | 75.76 | 86.52 | 85.70 | 92.84 | 102.07 | 108.84 | 101.90 | 97.60 | 80.35 | ----- | z | 64.45 | 87.62 | a | |||||||||||
1973 | 62.74 | 66.93 | 66.35 | 80.30 | 95.06 | 103.27 | 106.19 | 104.67 | a | 99.03 | 90.06 | 74.43 | 69.84 | 84.91 | ||||||||||||
1974 | 64.55 | 70.96 | 77.23 | 84.53 | 93.19 | 107.10 | 103.35 | 102.13 | 98.27 | 86.55 | 75.17 | 63.32 | 85.53 | |||||||||||||
1975 | 66.65 | 69.43 | 72.55 | 76.27 | 90.68 | 100.07 | 103.61 | 104.35 | 99.27 | 87.16 | 76.77 | 67.58 | 84.53 | |||||||||||||
1976 | 69.97 | 71.76 | 74.29 | 85.14 | h | 93.00 | 103.30 | 103.61 | 104.10 | 93.83 | 84.77 | 77.93 | 69.13 | 85.97 | a | |||||||||||
1977 | ----- | z | ----- | z | 71.80 | k | 85.83 | 84.84 | 103.53 | 106.00 | w | 104.92 | s | 98.67 | 91.61 | 80.37 | 72.42 | 88.18 | e | |||||||
1978 | ----- | z | ----- | z | 76.87 | 82.97 | 94.10 | 106.38 | a | ----- | z | ----- | z | ----- | z | ----- | z | 66.41 | m | 62.81 | 84.62 | g | ||||
1979 | 58.13 | 69.15 | a | 74.94 | 86.07 | 95.90 | 104.43 | 112.17 | a | 103.39 | ----- | z | ----- | z | ----- | z | 67.12 | o | 88.02 | d | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 65.44 | 71.16 | 75.64 | 82.57 | 92.70 | 102.74 | 106.40 | 103.36 | 97.71 | 85.61 | 76.04 | 66.32 | 84.80 | |||||||||||||
S.D. | 3.71 | 2.78 | 5.55 | 3.43 | 3.87 | 2.69 | 2.88 | 1.99 | 2.05 | 3.73 | 2.31 | 3.47 | 0.48 | |||||||||||||
SKEW | -0.85 | 0.21 | 0.38 | -0.63 | -0.80 | 0.02 | 0.75 | -0.29 | -1.00 | 0.16 | 0.70 | 0.33 | 0.51 | |||||||||||||
MAX | 69.97 | 75.76 | 86.52 | 86.07 | 98.19 | 107.10 | 112.17 | 106.65 | 99.90 | 91.61 | 80.37 | 72.42 | 85.53 | |||||||||||||
MIN | 58.13 | 66.93 | 66.35 | 76.27 | 84.84 | 98.07 | 103.35 | 99.63 | 93.83 | 80.35 | 73.40 | 61.77 | 84.25 | |||||||||||||
YRS | 8 | 8 | 9 | 9 | 11 | 11 | 9 | 9 | 9 | 9 | 8 | 10 | 5 |