YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 85.87 | 103.10 | a | 104.90 | 102.63 | a | 99.47 | 79.93 | b | 66.23 | 68.13 | 88.78 | d | |||||
1958 | 65.84 | 68.29 | ----- | z | 80.10 | 95.53 | a | 100.69 | a | 105.35 | 103.23 | 101.60 | 87.42 | ----- | z | ----- | z | 89.78 | c | |||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 97.64 | t | 95.47 | 87.81 | 74.90 | 64.07 | a | 80.56 | h | |||
1960 | 58.67 | d | 62.07 | a | 79.03 | 85.68 | b | 91.76 | b | 104.80 | 106.58 | 103.52 | b | 100.70 | j | 87.50 | e | 73.68 | b | 63.83 | m | 85.33 | b | |||
1961 | 69.62 | e | 72.04 | c | 75.41 | b | 85.97 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.92 | q | 63.16 | 73.24 | g | |
1962 | 63.00 | a | 65.04 | 67.65 | 87.47 | 86.68 | 98.93 | 103.94 | 105.32 | 97.70 | 87.06 | 78.54 | b | 68.03 | b | 84.11 | ||||||||||
1963 | 61.72 | b | 74.85 | a | 72.53 | a | 77.57 | 93.03 | 95.23 | 104.32 | 100.28 | b | 98.21 | a | 88.45 | b | 72.21 | a | 68.45 | 83.90 | ||||||
1964 | 62.65 | 65.31 | 70.10 | 81.14 | a | 88.57 | a | 98.67 | 105.80 | a | 101.42 | 97.83 | 94.52 | 70.52 | a | 65.86 | c | 83.53 | ||||||||
1965 | 67.61 | c | 68.85 | b | 69.48 | 79.57 | 87.63 | a | 94.48 | a | 104.39 | c | 104.54 | c | 96.48 | e | 96.39 | 76.63 | c | 61.03 | 83.92 | |||||
1966 | 61.10 | 61.46 | 76.13 | 87.71 | b | 95.07 | a | 102.44 | e | 104.38 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.65 | f | |||
1967 | 68.53 | p | 72.29 | 75.74 | 73.77 | 89.50 | c | 95.36 | b | 103.97 | 102.23 | r | 93.91 | h | 88.81 | 77.17 | a | 57.57 | c | 81.57 | c | |||||
1968 | 64.66 | b | 71.63 | b | 73.28 | b | 79.40 | e | 90.19 | 100.90 | a | 101.28 | f | 97.08 | e | 97.29 | b | 86.28 | b | 71.09 | g | 61.86 | c | 82.25 | b | |
1969 | 64.40 | a | 61.96 | e | 70.17 | a | 83.46 | f | 92.46 | g | 95.00 | l | 101.23 | r | 105.50 | g | 98.82 | h | 82.41 | i | 70.00 | j | 62.93 | p | 65.51 | i |
1970 | ----- | z | ----- | z | 75.58 | s | 77.00 | 93.52 | 100.97 | 105.71 | 101.05 | j | 94.50 | f | 82.90 | 74.83 | a | 61.90 | a | 85.26 | e | |||||
1971 | 72.17 | h | 69.04 | 74.24 | f | 78.47 | o | 84.35 | 99.45 | a | 106.00 | 97.87 | 96.83 | 77.55 | 71.37 | 56.88 | f | 87.81 | d | |||||||
1972 | 64.39 | 72.93 | 85.00 | a | 83.69 | a | 89.81 | 98.45 | a | 105.55 | 99.26 | 92.96 | d | 77.42 | 66.70 | 61.07 | d | 83.10 | ||||||||
1973 | 59.68 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.68 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 63.61 | 68.13 | 74.05 | 81.59 | 90.12 | 99.50 | 105.14 | 101.51 | 97.38 | 86.31 | 72.98 | 63.74 | 83.71 | |||||||||||||
S.D. | 3.17 | 4.58 | 4.99 | 4.49 | 3.52 | 3.13 | 0.89 | 2.82 | 2.30 | 5.72 | 4.04 | 3.52 | 0.40 | |||||||||||||
SKEW | 0.26 | -0.20 | 0.82 | -0.07 | 0.04 | -0.13 | -0.02 | -0.27 | -0.09 | -0.03 | -0.42 | -0.02 | -0.67 | |||||||||||||
MAX | 69.62 | 74.85 | 85.00 | 87.71 | 95.53 | 104.80 | 106.58 | 105.32 | 101.60 | 96.39 | 78.54 | 68.45 | 84.11 | |||||||||||||
MIN | 58.67 | 61.46 | 67.65 | 73.77 | 84.35 | 94.48 | 103.94 | 97.08 | 92.96 | 77.42 | 66.23 | 57.57 | 83.10 | |||||||||||||
YRS | 12 | 13 | 11 | 12 | 13 | 13 | 11 | 10 | 10 | 13 | 11 | 11 | 5 |