YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 96.19 | e | 97.81 | 89.30 | 79.60 | f | 66.96 | g | 54.89 | l | 94.43 | i | ||
1963 | 54.26 | 61.89 | 73.48 | 84.67 | 89.23 | 91.87 | 95.65 | 96.52 | 89.03 | 85.52 | 71.03 | a | 50.19 | 78.61 | ||||||||||||
1964 | 59.68 | 59.45 | 71.35 | 82.70 | 89.42 | 94.23 | 97.39 | 96.87 | 85.13 | 77.77 | 70.33 | 57.96 | f | 80.39 | a | |||||||||||
1965 | 64.65 | 59.71 | 65.39 | 84.20 | 83.77 | 90.30 | 96.55 | 93.03 | 89.33 | 80.10 | 74.63 | 62.00 | 78.64 | |||||||||||||
1966 | 46.63 | l | 58.86 | 72.87 | 79.87 | 83.71 | 91.70 | 98.16 | 90.23 | 86.23 | 75.97 | 71.83 | a | 60.03 | 79.04 | a | ||||||||||
1967 | 62.90 | 64.14 | 78.61 | 84.67 | 88.97 | 92.40 | 94.61 | 90.94 | 83.23 | 79.10 | 67.93 | 57.26 | 78.73 | |||||||||||||
1968 | 55.81 | 58.93 | 67.55 | 76.20 | 86.87 | 93.90 | 90.23 | 91.97 | 85.67 | 81.13 | 61.97 | a | 61.10 | 75.94 | ||||||||||||
1969 | 64.26 | 62.18 | 63.10 | 79.53 | 86.42 | 95.37 | 98.65 | 95.81 | 86.13 | 74.71 | 65.50 | 64.10 | 77.98 | |||||||||||||
1970 | 59.32 | 63.89 | 66.00 | 80.33 | 86.00 | 90.50 | 95.61 | 94.32 | 85.83 | 75.42 | 67.87 | 66.84 | 77.66 | |||||||||||||
1971 | 65.77 | 67.32 | 77.26 | 79.27 | 87.94 | 90.87 | 93.52 | 85.29 | 85.03 | 76.58 | 68.43 | 62.65 | 78.33 | |||||||||||||
1972 | 63.42 | 68.52 | 78.97 | 86.97 | 83.61 | 92.47 | 92.13 | 89.61 | 87.30 | 78.77 | 61.80 | 61.65 | 78.77 | |||||||||||||
1973 | 52.90 | 58.71 | 72.42 | 74.73 | 88.45 | 91.67 | 91.65 | 93.06 | 86.83 | 82.61 | 74.33 | 66.29 | 77.81 | |||||||||||||
1974 | 63.19 | 69.25 | 81.29 | 81.70 | 91.26 | 95.27 | 96.42 | 90.23 | 78.97 | 75.68 | 66.03 | 59.52 | 79.07 | |||||||||||||
1975 | 61.23 | 64.96 | 73.19 | 80.40 | 88.35 | 95.27 | 90.94 | 92.55 | 84.00 | 80.48 | 70.80 | 63.03 | 78.77 | |||||||||||||
1976 | 61.48 | 74.66 | 76.42 | 79.97 | 83.84 | 93.13 | 87.03 | 93.45 | 83.90 | 73.71 | 60.87 | 59.23 | 77.31 | |||||||||||||
1977 | 54.23 | 67.36 | 73.71 | 78.10 | 87.43 | a | 95.13 | 97.61 | 98.16 | 97.03 | 83.06 | 72.87 | 67.58 | 81.02 | ||||||||||||
1978 | 54.06 | 59.74 | a | 74.38 | b | 86.80 | 90.42 | 92.83 | 97.48 | 92.29 | 83.73 | 77.50 | a | 67.10 | a | 58.80 | a | 77.93 | ||||||||
1979 | 50.10 | 64.04 | 71.94 | 80.93 | 86.87 | 91.30 | 96.97 | 93.87 | 92.29 | b | 87.19 | 67.47 | 63.72 | b | 78.89 | |||||||||||
1980 | 61.87 | a | 68.14 | a | 71.87 | 80.57 | 86.61 | 99.70 | 101.19 | 95.39 | 87.76 | a | 77.65 | 63.80 | 62.61 | 79.76 | ||||||||||
1981 | 58.43 | a | 64.39 | 64.52 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | 77.23 | a | 75.78 | c | 68.79 | g | 73.37 | g | ||
1982 | 63.90 | a | 63.04 | 77.61 | 82.96 | c | 86.63 | a | 96.47 | 98.81 | e | 98.00 | 92.84 | e | 81.68 | i | 71.46 | q | 58.19 | o | 84.47 | c | ||||
1983 | 59.50 | c | 66.04 | 70.89 | d | 81.77 | h | 90.33 | g | 93.79 | a | 97.52 | d | 98.28 | f | 92.00 | a | 80.44 | d | 70.00 | 52.04 | c | 75.80 | c | ||
1984 | 53.32 | 69.35 | f | 75.52 | b | 86.37 | k | 91.58 | 91.36 | h | 96.05 | l | 93.00 | w | 90.79 | f | 72.91 | i | ----- | z | ----- | z | 73.47 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 59.25 | 64.06 | 73.04 | 81.29 | 87.37 | 93.41 | 95.44 | 93.47 | 87.39 | 79.03 | 68.52 | 61.03 | 78.45 | |||||||||||||
S.D. | 4.63 | 4.20 | 4.69 | 3.26 | 2.43 | 2.33 | 3.41 | 3.30 | 4.00 | 3.58 | 4.35 | 4.57 | 1.11 | |||||||||||||
SKEW | -0.40 | 0.60 | -0.39 | -0.02 | -0.05 | 0.88 | -0.78 | -0.50 | 0.38 | 0.67 | -0.15 | -0.88 | 0.07 | |||||||||||||
MAX | 65.77 | 74.66 | 81.29 | 86.97 | 91.58 | 99.70 | 101.19 | 98.16 | 97.03 | 87.19 | 75.78 | 67.58 | 81.02 | |||||||||||||
MIN | 50.10 | 58.71 | 63.10 | 74.73 | 83.61 | 90.30 | 87.03 | 85.29 | 78.97 | 73.71 | 60.87 | 50.19 | 75.94 | |||||||||||||
YRS | 21 | 21 | 21 | 19 | 20 | 20 | 21 | 20 | 22 | 20 | 20 | 18 | 16 |