YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | 48.97 | 50.55 | 59.70 | c | 70.73 | 73.23 | 83.42 | 88.92 | a | 88.65 | 82.40 | 64.98 | 53.38 | a | 52.58 | a | 68.13 | |||||||||
1947 | 47.53 | a | 56.30 | a | 61.08 | 66.17 | a | 75.66 | 80.92 | 89.27 | a | 87.05 | a | 84.58 | 71.02 | 53.98 | a | 48.42 | 68.50 | |||||||
1948 | 49.97 | 52.22 | b | 55.40 | 67.73 | 73.81 | 81.67 | 89.00 | 90.11 | 83.80 | 72.82 | 53.92 | 50.16 | 68.38 | ||||||||||||
1949 | 43.16 | 51.18 | 58.92 | 68.77 | 73.90 | 83.88 | a | 88.90 | 86.16 | 85.10 | 67.69 | 62.40 | 50.13 | 68.35 | ||||||||||||
1950 | 48.58 | 57.14 | 60.92 | 70.78 | 73.35 | 81.48 | 88.32 | 86.63 | 79.68 | 75.06 | 61.78 | 55.77 | 69.96 | |||||||||||||
1951 | 49.94 | 54.66 | 59.44 | 66.42 | 74.89 | 81.47 | 91.39 | 87.12 | b | 81.52 | 70.39 | 57.43 | 49.85 | 68.71 | ||||||||||||
1952 | 48.85 | 52.60 | 54.27 | 66.22 | 77.24 | 82.20 | 87.85 | 88.52 | 84.07 | 74.34 | 55.87 | 49.98 | 68.50 | |||||||||||||
1953 | 53.79 | 52.77 | 60.66 | 66.27 | 69.63 | 82.82 | 90.37 | 88.61 | 82.35 | j | 70.89 | 60.78 | 49.50 | 67.83 | a | |||||||||||
1954 | ----- | z | 60.96 | p | ----- | z | 72.94 | n | 77.08 | 82.28 | 90.26 | 87.11 | 84.50 | 73.67 | b | 62.75 | b | 52.87 | 76.32 | d | ||||||
1955 | 48.19 | 50.39 | 59.58 | 63.73 | 72.60 | b | 80.98 | 85.80 | c | 87.11 | c | 82.52 | a | 75.37 | 58.78 | a | 55.52 | 68.38 | ||||||||
1956 | 55.32 | 50.50 | 60.03 | 65.18 | 75.32 | 85.93 | 88.08 | 85.74 | 83.93 | 68.98 | 56.12 | 51.19 | 68.86 | |||||||||||||
1957 | 53.05 | 60.39 | 60.42 | 65.72 | 71.40 | 85.50 | 90.53 | 87.84 | 80.77 | 69.89 | 54.88 | 53.52 | 69.49 | |||||||||||||
1958 | 51.76 | 57.23 | 56.55 | 65.08 | 79.47 | 85.00 | 90.42 | 90.26 | 83.17 | 73.26 | 58.92 | 55.26 | 70.53 | |||||||||||||
1959 | 53.39 | 52.96 | a | 61.35 | 70.73 | 73.52 | 86.83 | 92.35 | 87.98 | 82.03 | 71.31 | 59.78 | 52.73 | 70.41 | ||||||||||||
1960 | 48.16 | 51.14 | 63.47 | a | 68.23 | 74.90 | 86.77 | 90.60 | 88.40 | 84.83 | 70.19 | 60.02 | 51.13 | 69.82 | ||||||||||||
1961 | 54.95 | 57.25 | 60.53 | 68.52 | a | 74.61 | 86.68 | 90.18 | 88.06 | 80.62 | 69.89 | 56.77 | 52.08 | a | 70.01 | |||||||||||
1962 | 51.32 | 55.89 | 56.18 | 71.88 | 73.39 | 82.47 | 89.66 | 90.65 | 84.08 | 71.79 | 62.35 | 55.37 | 70.42 | |||||||||||||
1963 | 49.63 | 60.41 | 60.26 | 64.63 | 77.87 | 79.98 | 90.60 | 87.50 | 84.20 | 75.27 | 61.37 | 52.47 | 70.35 | |||||||||||||
1964 | 49.52 | 50.76 | 57.40 | 65.72 | 72.87 | 81.67 | 90.24 | 86.76 | 80.85 | 74.00 | 55.00 | 51.50 | 68.02 | |||||||||||||
1965 | 53.65 | 53.73 | 57.65 | 65.12 | 71.45 | 77.22 | a | 89.66 | 88.06 | 79.23 | 72.84 | 61.72 | 52.81 | 68.59 | ||||||||||||
1966 | 49.34 | 51.04 | 62.03 | 69.05 | 77.84 | 84.18 | 90.63 | 89.35 | 82.72 | 70.65 | 61.90 | 52.76 | 70.12 | |||||||||||||
1967 | 52.18 | 57.46 | 63.15 | 62.33 | 74.45 | 81.82 | 91.40 | 90.13 | 83.78 | 74.06 | 63.50 | 48.29 | 70.21 | |||||||||||||
1968 | 52.77 | 60.20 | a | 60.65 | 66.32 | 74.85 | 83.68 | 88.13 | 84.11 | 81.97 | 72.19 | 59.48 | 50.02 | 69.53 | ||||||||||||
1969 | 56.15 | 54.54 | 57.74 | 68.50 | a | 77.29 | 81.80 | 91.23 | 92.68 | 84.03 | 67.61 | 60.63 | 54.60 | 70.57 | ||||||||||||
1970 | 51.74 | 59.70 | 59.45 | 63.08 | 76.89 | 84.57 | 92.58 | 89.85 | 79.35 | 67.21 | 59.60 | 51.85 | 69.66 | |||||||||||||
1971 | 51.98 | 55.45 | 61.98 | 65.67 | 71.68 | 79.43 | 91.52 | 87.34 | 81.82 | 67.26 | 58.03 | 50.56 | 68.56 | |||||||||||||
1972 | 50.50 | 57.72 | 67.53 | 67.98 | 74.90 | 84.45 | 90.95 | 87.27 | 81.65 | 69.89 | 55.33 | 50.40 | 69.88 | |||||||||||||
1973 | 49.27 | 55.66 | 54.82 | 64.97 | 77.29 | 84.40 | 89.69 | 89.84 | 80.90 | 71.11 | 58.27 | 53.13 | 69.11 | |||||||||||||
1974 | 52.56 | 54.25 | 62.52 | 66.87 | 76.03 | 87.38 | 89.06 | 87.24 | 84.10 | 72.73 | 59.20 | 49.68 | 70.14 | |||||||||||||
1975 | 51.44 | 53.55 | 57.71 | 60.65 | 71.92 | 81.13 | 90.11 | 88.08 | 82.28 | a | 68.97 | 58.00 | 52.45 | 68.02 | ||||||||||||
1976 | 52.63 | 58.21 | 58.73 | 64.57 | 75.79 | 83.02 | 89.66 | 86.58 | 80.25 | ----- | z | ----- | z | ----- | z | 72.16 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 51.01 | 54.86 | 59.67 | 66.59 | 74.68 | 83.07 | 89.92 | 88.09 | 82.49 | 71.18 | 58.73 | 51.89 | 69.33 | |||||||||||||
S.D. | 2.71 | 3.22 | 2.81 | 2.61 | 2.29 | 2.38 | 1.41 | 1.70 | 1.74 | 2.67 | 2.93 | 2.08 | 0.88 | |||||||||||||
SKEW | -0.47 | 0.21 | 0.29 | 0.06 | -0.04 | -0.09 | -0.59 | 0.38 | -0.30 | -0.29 | -0.25 | 0.26 | -0.07 | |||||||||||||
MAX | 56.15 | 60.41 | 67.53 | 71.88 | 79.47 | 87.38 | 92.58 | 92.68 | 85.10 | 75.37 | 63.50 | 55.77 | 70.57 | |||||||||||||
MIN | 43.16 | 50.39 | 54.27 | 60.65 | 69.63 | 77.22 | 85.80 | 84.11 | 79.23 | 64.98 | 53.38 | 48.29 | 68.02 | |||||||||||||
YRS | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 28 |