YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1952 | ----- | z | 49.42 | c | 48.37 | a | 51.50 | 54.29 | 56.00 | 56.16 | 59.00 | 58.50 | 55.94 | 53.77 | 51.19 | 54.01 | a | |||||||||
1953 | 52.61 | 50.21 | 49.52 | 52.60 | 55.19 | 57.76 | a | 57.13 | 60.35 | 59.17 | 59.19 | 55.30 | 52.80 | a | 55.15 | |||||||||||
1954 | 49.84 | 51.79 | 51.17 | a | 51.37 | 54.61 | 57.33 | 56.87 | 58.48 | 61.33 | 59.70 | a | 57.00 | 53.65 | 55.26 | |||||||||||
1955 | 50.19 | 48.64 | 48.23 | 49.13 | 52.65 | 54.83 | 58.81 | 55.29 | 57.67 | 56.16 | 51.80 | 51.81 | 52.93 | |||||||||||||
1956 | 51.13 | 48.10 | 50.23 | 51.73 | 54.48 | b | 57.03 | 57.00 | 59.84 | 57.87 | 56.06 | 53.33 | 50.32 | 53.93 | ||||||||||||
1957 | 46.71 | 50.32 | 51.00 | 53.23 | 56.42 | 59.40 | 59.03 | 61.10 | 61.50 | 58.90 | 54.93 | 53.35 | 55.49 | |||||||||||||
1958 | 54.45 | 55.68 | 52.10 | 57.69 | a | 58.55 | 63.40 | 59.23 | 60.58 | 62.40 | 59.47 | a | 55.33 | 55.87 | 57.90 | |||||||||||
1959 | 53.39 | 52.00 | 52.52 | 53.69 | a | 55.97 | 59.47 | 57.90 | 58.39 | 60.40 | 57.61 | 55.90 | 52.55 | 55.81 | ||||||||||||
1960 | 51.32 | 51.76 | 51.19 | 54.83 | 55.94 | 57.00 | 56.10 | 58.48 | 56.69 | a | 58.48 | 55.83 | 54.47 | a | 55.17 | |||||||||||
1961 | 54.97 | a | 53.82 | 52.71 | 52.24 | a | 55.45 | 57.03 | 59.55 | 59.06 | 57.53 | 55.52 | 51.13 | 49.65 | 54.89 | |||||||||||
1962 | 47.68 | 49.61 | 49.23 | 52.23 | 53.23 | 53.57 | 53.90 | 58.65 | 56.33 | 56.10 | 54.13 | 52.26 | 53.08 | |||||||||||||
1963 | 47.93 | a | 54.93 | 50.58 | 51.86 | a | 53.94 | 55.30 | 57.50 | a | 57.58 | 60.37 | 58.61 | 54.63 | 52.77 | a | 54.67 | |||||||||
1964 | 49.84 | 49.21 | 48.13 | 49.60 | 53.26 | 56.87 | ----- | z | 58.90 | 58.70 | 59.06 | 52.73 | 51.00 | 53.39 | a | |||||||||||
1965 | 50.55 | 50.00 | 52.48 | 53.77 | 53.84 | 55.07 | ----- | z | 62.42 | 56.93 | ----- | z | 57.17 | 50.61 | 54.28 | b | ||||||||||
1966 | 50.61 | 50.43 | 50.35 | 52.38 | a | 51.74 | 59.63 | 59.32 | 57.35 | 61.13 | 57.13 | 53.87 | 53.13 | 54.76 | ||||||||||||
1967 | 51.03 | 51.32 | 50.06 | 52.83 | 53.52 | 55.97 | 58.48 | 58.71 | 62.20 | 59.16 | 56.73 | 48.87 | 54.91 | |||||||||||||
1968 | 50.35 | 54.79 | 54.03 | 51.07 | 55.45 | 58.67 | 58.90 | 61.42 | 59.17 | 57.06 | 55.53 | 50.58 | 55.59 | |||||||||||||
1969 | 46.19 | 49.54 | 52.47 | a | 54.00 | 55.16 | 58.67 | 56.87 | 57.26 | 57.93 | 58.42 | 55.80 | 54.00 | 54.69 | ||||||||||||
1970 | 53.19 | 56.75 | 53.06 | 51.40 | 53.74 | 57.47 | 56.29 | 58.97 | 58.63 | 55.84 | 56.23 | 52.03 | 55.30 | |||||||||||||
1971 | 48.39 | 51.46 | 49.81 | 52.30 | 53.87 | ----- | z | 57.65 | 64.32 | 60.77 | ----- | z | 52.93 | a | 49.19 | 54.07 | b | |||||||||
1972 | 48.55 | 52.45 | 54.39 | 52.40 | 53.35 | 55.97 | 59.97 | 59.26 | 59.03 | 56.19 | 54.17 | 49.50 | a | 54.60 | ||||||||||||
1973 | 50.56 | d | 55.11 | ----- | z | 52.33 | 55.32 | 57.33 | 58.39 | 55.84 | 58.10 | 55.74 | 52.20 | 52.84 | 54.89 | a | ||||||||||
1974 | 47.71 | 49.25 | 51.30 | d | 52.80 | 54.52 | 54.87 | 59.19 | 58.10 | 55.92 | d | 56.10 | 54.40 | ----- | z | 54.01 | a | |||||||||
1975 | 50.57 | h | 52.36 | f | 50.10 | 50.00 | a | 53.71 | c | 55.37 | c | 58.38 | b | 57.08 | e | 60.85 | j | 57.47 | a | 54.34 | a | 52.00 | 54.27 | c | ||
1976 | 54.35 | 50.10 | h | 49.66 | b | 51.93 | 54.20 | a | 55.47 | 61.19 | 61.60 | a | 60.03 | 58.48 | 57.87 | 54.87 | 56.33 | a | ||||||||
1977 | 53.97 | a | 55.36 | 50.58 | 52.80 | 55.84 | 55.23 | 57.06 | 59.03 | 58.40 | 56.48 | 53.10 | 54.58 | 55.20 | ||||||||||||
1978 | 55.61 | 53.82 | 55.71 | 54.00 | 54.94 | 59.17 | 57.97 | 59.26 | 61.47 | 59.00 | a | ----- | z | 47.90 | b | 56.26 | a | |||||||||
1979 | 49.61 | 49.86 | 53.06 | 54.17 | 54.55 | 56.00 | ----- | z | 62.32 | 64.90 | 60.29 | 57.70 | ----- | z | 56.25 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.80 | 51.75 | 51.19 | 52.50 | 54.56 | 57.03 | 57.95 | 59.24 | 59.37 | 57.62 | 54.74 | 51.99 | 54.96 | |||||||||||||
S.D. | 2.63 | 2.50 | 1.92 | 1.68 | 1.34 | 2.07 | 1.53 | 2.01 | 2.13 | 1.49 | 1.79 | 2.03 | 1.07 | |||||||||||||
SKEW | 0.15 | 0.47 | 0.40 | 0.66 | 0.63 | 1.02 | -0.38 | 0.44 | 0.53 | 0.09 | -0.09 | -0.14 | 0.50 | |||||||||||||
MAX | 55.61 | 56.75 | 55.71 | 57.69 | 58.55 | 63.40 | 61.19 | 64.32 | 64.90 | 60.29 | 57.87 | 55.87 | 57.90 | |||||||||||||
MIN | 46.19 | 48.10 | 48.13 | 49.13 | 51.74 | 53.57 | 53.90 | 55.29 | 55.92 | 55.52 | 51.13 | 47.90 | 52.93 | |||||||||||||
YRS | 26 | 26 | 27 | 28 | 28 | 27 | 25 | 28 | 27 | 26 | 27 | 26 | 18 |