YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1945 | ----- | z | ----- | z | 54.48 | f | 63.58 | d | 74.16 | o | 75.20 | t | ----- | z | 85.62 | b | 82.52 | a | 70.93 | a | 57.27 | b | 49.91 | b | 68.30 | f |
1946 | 48.05 | 50.59 | 58.55 | 71.09 | a | 73.75 | a | 86.15 | 87.32 | 84.10 | 80.38 | 65.38 | b | 53.97 | a | 53.95 | 67.77 | |||||||||
1947 | 48.29 | b | 57.15 | a | 59.92 | 65.76 | c | 77.74 | b | 81.98 | a | 88.26 | 83.87 | 82.35 | 69.53 | a | 52.97 | a | 47.06 | 67.91 | ||||||
1948 | 49.19 | 49.63 | b | 51.21 | c | 66.16 | b | 73.95 | a | 84.90 | a | 90.66 | 87.60 | 84.73 | 73.42 | 53.50 | 51.60 | 68.05 | ||||||||
1949 | 43.76 | 50.20 | 58.16 | 68.80 | 74.03 | 84.87 | 85.87 | 83.90 | 83.10 | 67.16 | 64.16 | b | 51.05 | 67.92 | ||||||||||||
1950 | 50.65 | 56.27 | 61.03 | 69.93 | 72.32 | 81.90 | 84.42 | 85.77 | 78.87 | 79.97 | k | 63.32 | 56.68 | 69.20 | a | |||||||||||
1951 | 50.84 | 55.46 | 58.97 | 65.52 | 75.18 | 81.47 | 91.19 | 85.90 | 82.50 | 72.19 | 58.10 | 51.23 | 69.05 | |||||||||||||
1952 | 49.74 | 51.38 | a | 52.58 | a | 64.68 | 78.08 | 83.77 | 86.63 | 86.85 | a | 83.70 | 75.06 | 55.32 | ----- | z | 69.80 | a | ||||||||
1953 | 52.24 | 50.75 | 59.23 | a | 65.27 | 69.15 | 83.80 | 87.35 | 86.27 | 82.82 | 70.27 | 61.05 | 47.35 | 67.96 | ||||||||||||
1954 | 52.44 | 60.04 | a | 59.14 | b | 70.28 | 76.26 | 83.37 | 87.24 | 83.98 | 81.35 | 71.26 | 61.53 | 51.05 | 69.83 | |||||||||||
1955 | 46.11 | 47.61 | 59.29 | 62.33 | 71.60 | 83.23 | 82.79 | 79.95 | 80.50 | 73.42 | 58.03 | 53.76 | 66.55 | |||||||||||||
1956 | 54.97 | 48.14 | 58.48 | 64.37 | 76.52 | 86.26 | m | 86.05 | 85.45 | 84.77 | 71.31 | 55.40 | 52.44 | 67.08 | a | |||||||||||
1957 | 52.68 | 59.73 | 59.82 | 64.63 | 70.65 | 85.48 | a | 87.68 | 84.42 | 80.87 | 67.89 | 54.83 | ----- | z | 69.88 | a | ||||||||||
1958 | 50.13 | 55.21 | 53.37 | 63.07 | 78.73 | 84.75 | 87.82 | 84.24 | 79.95 | a | 71.76 | 57.55 | 54.21 | 68.40 | ||||||||||||
1959 | 52.69 | 51.52 | 60.08 | 70.47 | 74.24 | 87.72 | 89.29 | 83.35 | 80.77 | 71.03 | 58.57 | 52.48 | 69.35 | |||||||||||||
1960 | 47.35 | 48.73 | a | 61.45 | 66.88 | 74.61 | 86.83 | 89.69 | 87.79 | 83.62 | 69.87 | a | 61.08 | 50.89 | 69.07 | |||||||||||
1961 | 54.05 | 54.71 | 59.58 | 68.27 | 75.15 | a | 87.40 | 88.82 | 85.53 | 79.52 | 70.02 | 56.05 | 50.84 | 69.16 | ||||||||||||
1962 | 49.89 | 55.62 | 54.02 | 71.17 | 73.58 | 82.05 | 87.60 | 89.21 | 83.05 | 70.74 | 62.78 | a | 55.40 | a | 69.59 | |||||||||||
1963 | 48.50 | 58.30 | a | 59.65 | ----- | z | ----- | z | ----- | z | ----- | z | 84.31 | 85.02 | 74.39 | 62.34 | a | 53.24 | 65.72 | d | ||||||
1964 | 47.56 | 48.74 | 55.02 | 63.91 | a | 74.00 | 82.68 | 89.02 | 83.78 | a | 77.17 | f | 69.10 | p | 55.53 | 52.13 | a | 65.24 | b | |||||||
1965 | 53.18 | a | 51.81 | a | 56.00 | c | 65.80 | b | 70.75 | a | 78.63 | 88.84 | 87.00 | b | 79.78 | 73.42 | e | 63.79 | a | 53.50 | c | 68.54 | ||||
1966 | 48.52 | 49.62 | 60.40 | 67.58 | 77.77 | 84.75 | 88.65 | 85.55 | 80.68 | 68.71 | 60.67 | 51.74 | 68.72 | |||||||||||||
1967 | 50.08 | 56.16 | 62.87 | 63.48 | 72.27 | 81.44 | c | 86.65 | 86.03 | 81.60 | 71.45 | 62.18 | 47.34 | 68.46 | ||||||||||||
1968 | 51.29 | 58.03 | 57.90 | 62.97 | 73.85 | 84.38 | 86.32 | a | 81.85 | 81.37 | 71.32 | a | 58.07 | a | 46.22 | o | 69.76 | a | ||||||||
1969 | 53.82 | 52.62 | 54.74 | 70.48 | 73.40 | 83.32 | e | 88.78 | d | 89.41 | b | 84.13 | 69.77 | 59.43 | 56.50 | a | 69.70 | |||||||||
1970 | 50.90 | 58.29 | 57.08 | g | 62.27 | 76.62 | a | 85.88 | 90.81 | 87.62 | f | 77.66 | a | 65.79 | 60.34 | a | 52.81 | 68.14 | b | |||||||
1971 | 51.39 | 53.75 | 61.61 | 65.55 | a | 69.05 | 82.50 | 90.52 | 83.53 | 79.67 | 64.42 | 56.90 | 48.02 | 67.24 | ||||||||||||
1972 | 50.26 | 57.05 | 66.08 | 68.81 | a | 72.44 | 83.82 | 90.28 | a | 85.97 | a | 80.40 | 69.10 | 54.58 | 47.40 | 68.85 | ||||||||||
1973 | 47.18 | 52.70 | 52.74 | 61.10 | 75.27 | a | 83.50 | 87.53 | 88.32 | 81.15 | 72.15 | 58.52 | 50.55 | 67.56 | ||||||||||||
1974 | 51.19 | 51.18 | 61.08 | 65.35 | 77.34 | 89.88 | 87.19 | 86.02 | 80.65 | 72.11 | 58.08 | 47.12 | a | 68.93 | ||||||||||||
1975 | 51.77 | 52.89 | 58.18 | a | 60.67 | 72.40 | 82.72 | ----- | z | 85.79 | ----- | z | ----- | z | 59.97 | ----- | z | 65.55 | d | |||||||
1976 | 52.79 | 58.16 | ----- | z | 64.40 | 75.81 | 84.68 | 85.89 | 86.45 | 80.64 | w | ----- | z | ----- | z | ----- | z | 72.60 | e | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.37 | 53.61 | 58.32 | 65.96 | 74.22 | 84.06 | 87.90 | 85.41 | 81.64 | 70.50 | 58.58 | 51.49 | 68.51 | |||||||||||||
S.D. | 2.53 | 3.68 | 3.39 | 3.03 | 2.56 | 2.26 | 1.95 | 2.02 | 1.88 | 2.62 | 3.21 | 2.80 | 0.85 | |||||||||||||
SKEW | -0.45 | 0.10 | -0.29 | 0.25 | -0.19 | 0.29 | -0.41 | -0.28 | 0.11 | -0.59 | 0.03 | -0.07 | -0.39 | |||||||||||||
MAX | 54.97 | 60.04 | 66.08 | 71.17 | 78.73 | 89.88 | 91.19 | 89.41 | 85.02 | 75.06 | 64.16 | 56.68 | 69.83 | |||||||||||||
MIN | 43.76 | 47.61 | 51.21 | 60.67 | 69.05 | 78.63 | 82.79 | 79.95 | 77.66 | 64.42 | 52.97 | 47.06 | 66.55 | |||||||||||||
YRS | 31 | 31 | 29 | 31 | 30 | 29 | 29 | 31 | 29 | 28 | 31 | 27 | 21 |