YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1956 | ----- | z | 51.50 | m | 58.15 | a | 61.70 | 73.47 | 83.77 | 83.32 | 80.79 | 80.55 | 67.28 | b | 57.82 | ----- | z | 71.87 | c | |||||||
1957 | 51.98 | j | 60.23 | d | 57.65 | 62.46 | d | 68.47 | 79.63 | 84.55 | a | 81.79 | 81.39 | k | 63.85 | n | 52.86 | b | 51.71 | 66.59 | c | |||||
1958 | 48.61 | 54.09 | 53.23 | c | 61.55 | b | 76.87 | 84.07 | 85.30 | a | 83.08 | 78.18 | 69.37 | 58.00 | o | 53.59 | h | 69.44 | b | |||||||
1959 | 51.91 | c | 51.96 | 56.82 | c | 66.55 | a | 70.97 | a | 84.87 | 88.56 | 84.19 | 77.93 | a | 66.08 | 53.29 | a | 46.97 | a | 66.68 | ||||||
1960 | 45.06 | 47.61 | b | 60.81 | b | 64.18 | b | 71.79 | 83.63 | 86.10 | a | 84.12 | a | 79.58 | 65.74 | 58.55 | t | 39.90 | u | 68.86 | b | |||||
1961 | 51.43 | p | 52.52 | a | 57.66 | 61.88 | 70.87 | 82.83 | 85.97 | 81.76 | 75.63 | 66.18 | 52.83 | l | 49.00 | 68.43 | b | |||||||||
1962 | 46.27 | 54.48 | 54.48 | a | 68.92 | 69.73 | 76.53 | 82.92 | 83.18 | 81.45 | a | 72.32 | a | 59.55 | 53.60 | 66.95 | ||||||||||
1963 | 47.92 | 57.07 | a | ----- | z | 63.25 | 74.56 | 78.25 | 85.66 | 81.11 | 79.57 | ----- | z | 57.76 | a | 49.58 | 67.47 | b | ||||||||
1964 | 45.82 | 46.31 | 53.43 | a | 62.52 | a | 71.33 | a | 80.59 | b | 84.88 | a | 80.76 | 75.52 | 69.85 | 52.70 | 50.17 | a | 64.49 | |||||||
1965 | 51.60 | 49.52 | 54.58 | a | 64.65 | 70.08 | 76.43 | 83.37 | a | 82.39 | i | 75.59 | a | 67.15 | 60.48 | h | 49.04 | q | 65.88 | c | ||||||
1966 | 47.08 | 49.30 | 59.63 | 66.62 | i | 74.96 | g | 80.33 | f | 84.05 | c | 80.58 | f | 74.00 | l | 64.93 | c | ----- | z | ----- | z | 61.00 | g | |||
1967 | 51.24 | d | 54.12 | k | ----- | z | 54.42 | x | 68.09 | b | 77.60 | f | 83.76 | b | 80.93 | b | 77.08 | 68.24 | 59.32 | 46.05 | 66.84 | d | ||||
1968 | 49.73 | 56.25 | a | 58.05 | b | 64.08 | 72.87 | 83.05 | 83.48 | 80.40 | 77.78 | 71.68 | a | 58.90 | 52.10 | 67.37 | ||||||||||
1969 | 52.11 | 53.13 | a | 54.55 | 66.68 | 74.27 | 80.43 | a | 85.90 | 86.95 | 80.73 | 67.93 | a | 63.05 | a | 55.07 | a | 68.40 | ||||||||
1970 | 50.61 | 58.00 | 55.32 | a | 59.18 | 70.44 | 80.12 | 85.00 | a | 84.27 | 75.87 | 64.98 | a | 56.76 | k | 50.88 | k | 68.38 | b | |||||||
1971 | 49.77 | k | 51.55 | h | 55.30 | h | 60.07 | h | 65.61 | q | 78.43 | i | 85.32 | i | 80.00 | k | 75.88 | i | 63.83 | j | 53.83 | i | 45.74 | l | ----- | z |
1972 | 47.55 | k | 53.29 | h | 63.57 | h | 68.35 | m | 71.91 | i | 79.59 | h | 84.42 | k | 80.74 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.00 | 53.11 | 56.49 | 63.66 | 71.70 | 81.09 | 84.86 | 82.56 | 78.11 | 67.83 | 57.25 | 50.47 | 66.78 | |||||||||||||
S.D. | 2.54 | 4.17 | 2.40 | 2.60 | 2.47 | 2.86 | 1.48 | 1.94 | 2.12 | 2.40 | 3.57 | 2.96 | 1.44 | |||||||||||||
SKEW | -0.19 | -0.01 | 0.23 | 0.41 | 0.48 | -0.35 | 0.86 | 0.81 | 0.13 | 0.59 | -0.06 | 0.00 | -0.70 | |||||||||||||
MAX | 52.11 | 60.23 | 60.81 | 68.92 | 76.87 | 84.87 | 88.56 | 86.95 | 81.45 | 72.32 | 63.05 | 55.07 | 68.40 | |||||||||||||
MIN | 45.06 | 46.31 | 53.23 | 59.18 | 68.09 | 76.43 | 82.92 | 80.40 | 75.52 | 64.93 | 52.70 | 46.05 | 64.49 | |||||||||||||
YRS | 12 | 13 | 13 | 13 | 14 | 13 | 15 | 13 | 13 | 13 | 9 | 9 | 5 |