YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.20 | 61.19 | 66.70 | j | ||
1954 | 61.03 | 73.93 | 70.16 | 89.53 | 96.23 | 100.53 | 108.32 | 104.06 | 100.40 | 88.45 | 75.57 | 59.23 | 85.62 | |||||||||||||
1955 | 54.84 | 60.89 | 73.55 | 78.90 | 88.74 | 100.23 | 104.35 | 105.61 | 101.60 | 90.45 | 71.10 | 63.90 | 82.85 | |||||||||||||
1956 | 63.87 | 62.72 | 76.23 | 80.67 | 91.87 | 103.17 | 105.87 | 104.90 | 103.90 | 83.94 | 69.87 | 63.90 | 84.24 | |||||||||||||
1957 | 57.10 | 71.46 | 75.00 | 81.30 | 86.29 | 104.87 | 108.55 | 105.52 | 100.10 | 79.77 | 65.57 | 62.19 | 83.14 | |||||||||||||
1958 | 63.94 | 69.18 | 67.10 | 80.40 | 96.16 | 101.47 | 107.42 | 108.52 | 100.63 | 91.13 | 70.43 | 65.32 | 85.14 | |||||||||||||
1959 | 64.68 | 63.93 | 78.13 | 88.80 | 89.97 | 105.70 | 112.42 | 105.16 | 96.37 | 88.77 | 72.63 | 61.87 | 85.70 | |||||||||||||
1960 | 56.23 | 63.00 | 78.94 | 85.00 | 92.68 | 107.40 | 110.68 | 107.58 | 101.87 | 84.90 | 69.13 | 60.06 | 84.79 | |||||||||||||
1961 | 62.74 | 69.00 | 74.48 | 85.00 | 90.19 | 106.10 | 109.65 | 104.52 | 95.40 | 85.55 | 68.00 | 59.48 | 84.18 | |||||||||||||
1962 | 61.61 | 66.89 | 69.71 | 90.40 | 87.81 | 101.57 | 106.94 | 108.74 | 101.27 | 87.26 | 75.60 | 63.23 | 85.08 | |||||||||||||
1963 | 58.29 | 73.39 | 72.58 | 76.90 | 93.77 | 96.33 | 107.52 | 105.10 | 98.33 | 88.32 | 70.70 | 62.55 | 83.65 | |||||||||||||
1964 | 59.19 | 65.62 | 71.32 | 80.17 | 88.84 | 98.97 | 107.87 | 106.10 | 97.73 | 93.23 | 66.27 | 63.84 | 83.26 | |||||||||||||
1965 | 62.84 | 69.14 | 72.13 | 76.37 | 88.29 | 95.33 | 106.13 | 106.26 | 93.23 | 91.00 | 71.47 | 57.16 | 82.45 | |||||||||||||
1966 | 58.16 | 62.04 | 75.29 | 86.93 | 96.42 | 101.73 | 107.19 | 108.45 | 99.57 | 85.94 | 72.83 | 61.13 | 84.64 | |||||||||||||
1967 | 62.77 | 70.07 | 76.16 | 71.37 | 91.39 | 98.13 | 110.00 | 109.35 | 96.67 | 89.55 | 75.03 | 56.71 | 83.93 | |||||||||||||
1968 | 62.84 | 72.93 | 76.06 | 81.97 | 92.81 | 103.63 | 106.52 | 102.29 | 99.62 | a | 86.48 | 72.13 | 57.71 | 84.58 | ||||||||||||
1969 | 62.74 | 61.29 | 71.71 | 82.73 | 95.23 | 98.97 | 108.90 | 113.00 | 102.43 | 80.71 | 72.73 | 63.94 | 84.53 | |||||||||||||
1970 | 63.10 | 70.64 | 73.90 | 78.17 | 94.48 | 103.67 | 110.52 | 109.39 | 97.97 | 83.55 | 72.80 | 59.00 | 84.76 | |||||||||||||
1971 | 62.65 | 70.64 | 76.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.90 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 61.03 | 67.60 | 73.83 | 82.04 | 91.83 | 101.64 | 108.17 | 106.74 | 99.24 | 87.00 | 71.34 | 61.25 | 84.27 | |||||||||||||
S.D. | 2.96 | 4.39 | 3.09 | 5.12 | 3.23 | 3.43 | 2.04 | 2.59 | 2.77 | 3.69 | 2.84 | 2.60 | 0.94 | |||||||||||||
SKEW | -0.76 | -0.18 | -0.37 | -0.07 | -0.04 | -0.13 | 0.24 | 0.61 | -0.43 | -0.34 | -0.42 | -0.27 | -0.35 | |||||||||||||
MAX | 64.68 | 73.93 | 78.94 | 90.40 | 96.42 | 107.40 | 112.42 | 113.00 | 103.90 | 93.23 | 75.60 | 65.32 | 85.70 | |||||||||||||
MIN | 54.84 | 60.89 | 67.10 | 71.37 | 86.29 | 95.33 | 104.35 | 102.29 | 93.23 | 79.77 | 65.57 | 56.71 | 82.45 | |||||||||||||
YRS | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 17 |