YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 99.00 | a | 99.19 | 96.52 | 98.00 | 91.00 | 73.07 | 68.97 | 89.39 | e | ||||||
1956 | 67.97 | 61.38 | 76.48 | 79.17 | 92.52 | 102.63 | 101.61 | 100.29 | 101.23 | 85.03 | 73.87 | 66.71 | 84.07 | |||||||||||||
1957 | 61.19 | 72.75 | 72.29 | 78.60 | 85.35 | 101.67 | 103.94 | 99.55 | 97.07 | 80.29 | 67.07 | 67.39 | 82.26 | |||||||||||||
1958 | 65.35 | 68.96 | 65.84 | 79.30 | 96.00 | 102.00 | 104.65 | 101.58 | 96.33 | 86.23 | 72.97 | 72.16 | 84.28 | |||||||||||||
1959 | 68.61 | 65.36 | 76.58 | 86.97 | 89.61 | 104.67 | 105.52 | 98.81 | 95.77 | 85.71 | 73.23 | 63.16 | 84.50 | |||||||||||||
1960 | 58.00 | 61.76 | 77.32 | 84.53 | 92.06 | 104.83 | 105.35 | 101.87 | 99.91 | h | 82.03 | 74.97 | 64.61 | 82.49 | a | |||||||||||
1961 | 68.00 | 70.61 | 73.32 | 84.30 | 90.84 | 103.63 | 103.74 | 100.48 | 93.43 | 84.32 | 69.07 | 62.06 | 83.65 | |||||||||||||
1962 | 62.32 | 65.79 | 68.42 | 88.60 | 89.13 | 100.03 | 104.00 | 106.00 | 97.17 | 87.77 | 77.53 | 67.65 | 84.53 | |||||||||||||
1963 | 61.94 | 73.50 | 72.77 | 78.83 | 94.74 | 98.00 | 104.68 | 98.45 | 99.53 | 90.23 | 73.07 | 67.94 | 84.47 | |||||||||||||
1964 | 62.74 | 64.17 | 69.55 | 78.93 | 89.65 | 98.77 | 103.81 | 99.26 | 94.90 | 89.77 | 68.63 | 63.55 | 81.98 | |||||||||||||
1965 | 65.06 | 67.25 | 69.55 | 77.87 | 87.03 | 93.87 | 104.10 | 103.81 | 95.03 | 92.32 | 75.83 | 63.74 | 82.96 | |||||||||||||
1966 | 61.29 | 63.14 | 77.29 | 85.70 | 95.81 | 101.83 | 105.16 | 103.23 | 95.87 | 87.35 | 76.30 | 64.94 | 84.83 | |||||||||||||
1967 | 66.94 | 72.89 | 77.32 | 76.07 | 91.26 | 97.83 | 103.13 | 104.29 | 98.00 | 89.61 | 79.30 | 60.45 | 84.76 | |||||||||||||
1968 | 65.94 | 73.52 | 74.06 | 81.73 | 92.71 | 103.63 | 103.16 | 99.52 | 99.87 | 88.65 | 73.23 | 62.81 | 84.90 | |||||||||||||
1969 | 66.19 | 64.93 | 70.58 | 83.17 | 95.45 | 99.57 | 105.94 | 107.42 | 99.83 | 83.71 | 72.77 | 66.65 | 84.68 | |||||||||||||
1970 | 65.23 | 73.68 | 71.45 | 79.07 | 96.03 | 103.27 | 106.97 | 104.13 | 94.60 | 83.71 | 75.33 | 63.23 | 84.72 | |||||||||||||
1971 | 66.26 | 68.04 | 78.19 | 80.67 | 86.55 | 99.70 | 106.65 | 100.32 | 98.37 | 80.37 | a | 71.83 | 59.48 | 83.04 | ||||||||||||
1972 | 66.29 | 74.52 | 85.77 | 85.37 | 94.90 | 102.70 | 109.10 | 103.42 | 99.03 | 80.35 | 68.77 | 62.16 | 86.03 | |||||||||||||
1973 | 59.08 | s | ----- | z | 64.84 | 78.70 | c | 94.90 | 102.87 | 105.03 | 104.58 | 99.07 | 90.03 | 73.60 | 68.77 | 88.24 | b | |||||||||
1974 | 64.77 | 70.57 | 76.87 | 84.00 | a | 93.81 | 106.97 | a | 102.97 | 102.94 | 97.43 | 85.61 | 73.80 | 62.35 | 85.17 | |||||||||||
1975 | 65.71 | 68.00 | 71.68 | 75.87 | 90.19 | 100.55 | a | 104.13 | 105.48 | 98.13 | 87.39 | 76.40 | 67.45 | 84.25 | ||||||||||||
1976 | 69.23 | 71.38 | 73.84 | 81.00 | 92.58 | 102.60 | 103.74 | 103.97 | 98.38 | v | ----- | z | ----- | z | ----- | z | 87.29 | d | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 64.95 | 68.61 | 73.53 | 81.35 | 91.96 | 101.39 | 104.39 | 102.09 | 97.43 | 86.26 | 73.36 | 65.06 | 84.17 | |||||||||||||
S.D. | 2.88 | 4.25 | 4.77 | 3.61 | 3.24 | 2.90 | 1.97 | 2.81 | 2.06 | 3.64 | 3.07 | 3.19 | 1.03 | |||||||||||||
SKEW | -0.67 | -0.21 | 0.37 | 0.36 | -0.46 | -0.54 | -0.19 | -0.06 | -0.15 | -0.21 | -0.31 | 0.27 | -0.67 | |||||||||||||
MAX | 69.23 | 74.52 | 85.77 | 88.60 | 96.03 | 106.97 | 109.10 | 107.42 | 101.23 | 92.32 | 79.30 | 72.16 | 86.03 | |||||||||||||
MIN | 58.00 | 61.38 | 64.84 | 75.87 | 85.35 | 93.87 | 99.19 | 96.52 | 93.43 | 80.29 | 67.07 | 59.48 | 81.98 | |||||||||||||
YRS | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 20 | 21 | 21 | 21 | 18 |