YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1956 | ----- | z | 69.62 | m | 79.60 | a | 80.93 | 94.68 | 102.23 | 98.74 | 97.32 | 99.80 | 86.90 | b | 73.23 | ----- | z | 90.38 | c | |||||||
1957 | 67.05 | j | 77.04 | d | 74.90 | 82.85 | d | 88.13 | 102.70 | 102.30 | a | 98.74 | 104.95 | k | 77.47 | n | 69.83 | a | 70.13 | 85.18 | c | |||||
1958 | 67.26 | 69.96 | 68.82 | c | 81.86 | b | 97.81 | 103.73 | 101.40 | a | 97.65 | 94.63 | 85.74 | 75.56 | n | 73.78 | h | 86.89 | b | |||||||
1959 | 70.96 | c | 69.25 | 77.50 | c | 85.72 | a | 91.10 | a | 103.23 | 103.81 | 97.10 | 95.07 | a | 85.32 | 69.66 | a | 61.60 | a | 84.19 | ||||||
1960 | 60.06 | 64.59 | b | 81.38 | b | 85.79 | b | 94.35 | 105.00 | 101.87 | a | 98.73 | a | 98.13 | 84.39 | 78.50 | t | 60.40 | u | 87.43 | b | |||||
1961 | 61.93 | p | 71.00 | a | 78.87 | 86.33 | 95.26 | 104.47 | 102.58 | 97.65 | 94.13 | 87.77 | 68.67 | l | 65.23 | 88.33 | b | |||||||||
1962 | 64.55 | 72.46 | 72.93 | a | 91.77 | 92.55 | 98.60 | 100.06 | 101.71 | 97.17 | a | 88.43 | a | 75.17 | 68.52 | 85.33 | ||||||||||
1963 | 63.90 | 75.85 | a | ----- | z | 82.93 | 95.71 | 98.70 | 102.23 | 95.42 | 97.03 | ----- | z | 75.66 | a | 68.45 | 85.59 | b | ||||||||
1964 | 66.29 | 67.10 | 71.94 | 83.86 | a | 91.87 | 99.27 | 101.20 | a | 95.45 | 91.90 | 89.39 | 72.43 | 68.97 | 83.31 | |||||||||||
1965 | 70.10 | 69.00 | 74.42 | 84.23 | 92.10 | 98.63 | 102.63 | a | 103.27 | i | 97.20 | 92.42 | 79.97 | 67.70 | d | 84.40 | a | |||||||||
1966 | 65.06 | 68.36 | 81.13 | 88.05 | i | 96.85 | e | 102.29 | f | 102.71 | c | 98.52 | f | 92.89 | l | 89.68 | c | ----- | z | ----- | z | 83.96 | f | |||
1967 | 75.07 | d | 77.14 | g | ----- | z | 79.54 | q | 89.97 | 96.23 | 98.73 | a | 97.40 | a | 94.50 | 89.58 | 78.13 | 60.65 | 86.70 | c | ||||||
1968 | 66.45 | 73.21 | 74.31 | b | 81.13 | 90.00 | 101.53 | 100.42 | 97.61 | 98.13 | 93.77 | a | 73.50 | 66.52 | 84.72 | |||||||||||
1969 | 64.94 | 68.18 | 71.55 | 85.07 | 92.48 | 97.70 | 99.16 | 101.77 | 98.10 | 87.77 | a | 77.53 | 72.67 | a | 84.74 | |||||||||||
1970 | 69.77 | 75.39 | 72.07 | a | 79.63 | 92.23 | 101.67 | 101.65 | 100.16 | 93.57 | 86.23 | a | 79.32 | k | 69.25 | k | 87.24 | b | ||||||||
1971 | 72.40 | k | 71.20 | h | 78.52 | h | 84.18 | h | 90.00 | q | 97.95 | h | 101.14 | i | 93.85 | k | 94.24 | i | 82.24 | j | 73.38 | i | 60.60 | k | ----- | z |
1972 | 69.15 | k | 73.71 | h | 83.91 | h | 85.45 | j | 91.23 | i | 98.50 | h | 102.20 | k | 98.70 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 67.04 | 70.88 | 75.34 | 84.01 | 93.01 | 100.98 | 101.30 | 98.21 | 96.11 | 88.26 | 74.51 | 67.04 | 84.46 | |||||||||||||
S.D. | 3.94 | 3.71 | 4.00 | 3.12 | 2.72 | 2.76 | 1.56 | 2.01 | 2.29 | 2.72 | 3.44 | 3.71 | 0.76 | |||||||||||||
SKEW | 0.35 | 0.20 | 0.17 | 0.98 | 0.09 | -0.14 | -0.41 | 0.54 | -0.21 | 0.58 | 0.03 | -0.48 | -0.54 | |||||||||||||
MAX | 75.07 | 77.04 | 81.38 | 91.77 | 97.81 | 105.00 | 103.81 | 101.77 | 99.80 | 93.77 | 79.97 | 72.67 | 85.33 | |||||||||||||
MIN | 60.06 | 64.59 | 68.82 | 79.63 | 88.13 | 96.23 | 98.73 | 95.42 | 91.90 | 84.39 | 69.66 | 60.65 | 83.31 | |||||||||||||
YRS | 12 | 13 | 13 | 13 | 15 | 14 | 15 | 13 | 13 | 13 | 10 | 10 | 5 |