YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.42 | 83.42 | d | 82.32 | 60.67 | 57.52 | 75.47 | g | ||||
1939 | 48.13 | ----- | z | 66.97 | a | 72.13 | 91.94 | 98.53 | 96.52 | 94.19 | 94.13 | 79.77 | 74.38 | a | 59.32 | 79.64 | a | |||||||||
1940 | 50.77 | 58.07 | 71.23 | 78.57 | 85.06 | 93.47 | 97.08 | f | 94.10 | 89.29 | m | 79.48 | 58.43 | 60.06 | 72.92 | b | ||||||||||
1941 | 57.58 | 61.93 | 69.65 | 72.17 | 86.81 | 94.00 | 94.68 | 92.13 | 87.50 | 78.77 | 69.50 | 57.75 | g | 78.61 | a | |||||||||||
1942 | 62.90 | 52.75 | 68.77 | 82.33 | 89.81 | 97.13 | 98.23 | 94.87 | 89.97 | 80.58 | ----- | z | ----- | z | 81.73 | b | ||||||||||
1943 | ----- | z | 71.42 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.42 | k |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | 83.07 | c | 92.33 | 94.35 | 93.48 | 84.63 | 76.55 | 60.57 | 56.61 | 80.20 | d | |||||||
1945 | 55.22 | m | 67.07 | 70.38 | o | 78.78 | l | 86.26 | 89.33 | 95.90 | 93.42 | 89.70 | 75.55 | 70.13 | 57.55 | 80.55 | c | |||||||||
1946 | 51.03 | 62.68 | 68.65 | 81.73 | 83.87 | 94.60 | 95.06 | 92.55 | 87.76 | a | 77.20 | a | 62.59 | a | 60.81 | 76.54 | ||||||||||
1947 | 50.76 | b | 64.61 | 67.77 | 74.80 | 87.52 | 91.43 | 97.84 | 91.84 | 90.53 | 81.48 | 59.93 | a | 55.68 | 76.18 | |||||||||||
1948 | 55.65 | 58.43 | a | 62.32 | 79.13 | 86.56 | f | 95.41 | a | 96.16 | 95.97 | 89.23 | 75.84 | 61.73 | 57.71 | 75.24 | a | |||||||||
1949 | 43.42 | 57.79 | 68.58 | 75.40 | 85.68 | 93.38 | a | 93.90 | 92.11 | c | 86.59 | h | 75.14 | b | 72.93 | b | 56.25 | c | 74.05 | a | ||||||
1950 | 58.46 | e | 66.04 | b | 68.86 | c | 75.93 | a | ----- | z | 91.17 | g | 91.47 | a | ----- | z | ----- | z | 83.90 | 71.52 | e | 67.07 | c | 72.91 | d | |
1951 | 58.60 | f | 63.19 | a | 69.04 | c | 74.66 | a | 85.19 | 94.50 | b | 98.83 | b | 94.03 | 93.18 | b | 79.55 | 64.57 | 55.31 | r | 81.67 | b | ||||
1952 | 60.42 | g | 60.48 | 62.60 | f | 74.47 | 85.55 | 94.90 | 95.40 | a | 94.52 | 90.23 | 82.48 | 61.76 | a | 55.41 | b | 79.52 | b | |||||||
1953 | 63.87 | 60.82 | 68.36 | c | 76.07 | a | 80.45 | 96.63 | 95.76 | b | 94.23 | 92.54 | d | 79.27 | e | 68.10 | 53.76 | b | 77.49 | |||||||
1954 | 61.44 | d | 68.89 | a | 66.11 | d | 82.87 | 86.47 | a | 95.00 | b | 96.79 | b | 90.77 | a | 90.08 | d | 80.36 | c | 70.03 | a | 60.54 | e | 79.11 | ||
1955 | 52.17 | b | 59.58 | b | 68.70 | d | 76.47 | 83.11 | c | 92.71 | b | 92.52 | h | 91.06 | n | 90.70 | 80.60 | a | 66.68 | b | 62.63 | d | 73.33 | b | ||
1956 | 61.33 | a | 57.48 | b | 72.40 | f | 76.29 | b | 89.61 | c | 98.13 | 94.71 | 93.08 | f | 92.63 | 81.21 | c | 64.42 | d | 58.62 | j | 79.54 | c | |||
1957 | 59.17 | a | 69.96 | b | 67.19 | e | 75.33 | 81.07 | d | 94.60 | 97.17 | b | 89.68 | c | 87.89 | b | 72.83 | g | 59.14 | h | 61.19 | d | 78.33 | b | ||
1958 | 56.40 | a | 63.30 | a | 62.00 | d | 76.71 | b | 86.43 | c | ----- | z | 98.58 | 93.76 | j | 84.41 | a | 72.66 | b | 66.28 | a | 64.07 | b | 73.08 | b | |
1959 | 62.14 | c | 61.28 | c | 70.17 | g | 78.57 | 86.19 | 95.58 | k | 95.83 | b | 90.06 | 88.17 | a | 79.57 | a | 65.86 | h | 56.93 | a | 77.64 | c | |||
1960 | 52.72 | b | 59.76 | h | 73.17 | a | 79.40 | 86.10 | a | 99.38 | a | 94.03 | a | 97.17 | s | 90.90 | a | 77.03 | b | 68.36 | b | 47.18 | c | 76.83 | b | |
1961 | 55.57 | a | 64.39 | 70.42 | 79.31 | a | 89.23 | a | 96.31 | a | 96.13 | 92.65 | 84.69 | a | 77.78 | d | 59.90 | a | 57.28 | b | 76.97 | |||||
1962 | 52.86 | c | 65.52 | a | 63.58 | 80.62 | d | 86.06 | 93.82 | b | 90.55 | 96.13 | 86.82 | b | 78.83 | a | 68.93 | 58.53 | a | 76.85 | ||||||
1963 | 54.52 | b | 65.44 | a | 71.11 | c | 78.79 | a | 89.50 | c | 94.79 | a | 97.77 | 89.65 | e | 88.28 | a | 81.19 | 66.70 | 59.07 | b | 78.07 | ||||
1964 | 54.24 | b | 58.07 | b | 66.89 | c | 74.57 | b | 86.94 | 94.10 | 96.32 | 94.28 | b | 84.50 | b | 78.82 | c | 65.54 | b | 56.67 | a | 75.91 | ||||
1965 | 60.13 | a | 59.89 | a | 65.06 | 77.27 | d | 84.63 | a | 91.97 | 97.00 | 94.23 | 85.87 | 80.61 | 71.53 | 56.26 | 77.04 | |||||||||
1966 | 52.87 | 56.04 | c | 71.06 | 79.70 | 88.71 | 93.73 | 99.23 | 91.68 | 85.86 | a | 77.84 | 69.63 | 57.97 | 77.03 | |||||||||||
1967 | 60.00 | a | 64.75 | 75.26 | 78.73 | 85.13 | 92.20 | 96.13 | 89.84 | 84.50 | 79.48 | 68.33 | 50.42 | 77.06 | ||||||||||||
1968 | 56.00 | 63.86 | 65.03 | 73.37 | 85.23 | 95.83 | 91.94 | 88.71 | 86.93 | 81.35 | 64.23 | 56.16 | 75.72 | |||||||||||||
1969 | 61.73 | a | 61.46 | 65.81 | 79.97 | 87.29 | 94.33 | 94.45 | 97.06 | 88.27 | 75.48 | 63.50 | 58.10 | 77.29 | ||||||||||||
1970 | 58.23 | 62.68 | 65.48 | 74.90 | 86.94 | 94.03 | 95.45 | 94.35 | 86.37 | 72.84 | 67.70 | 61.26 | 76.69 | |||||||||||||
1971 | 61.77 | 63.43 | 72.68 | 75.53 | 84.03 | 95.07 | 97.94 | 91.19 | 88.83 | 72.81 | 64.77 | 54.90 | 76.91 | |||||||||||||
1972 | 61.16 | 65.79 | 77.61 | 81.33 | 85.74 | 92.30 | 95.94 | 88.97 | 84.13 | 76.55 | 60.53 | 57.17 | a | 77.27 | ||||||||||||
1973 | 52.26 | 56.75 | 63.94 | 71.50 | 84.32 | 93.97 | a | 93.13 | 93.23 | 90.20 | 80.77 | 69.70 | 60.87 | a | 75.89 | |||||||||||
1974 | 58.77 | 62.00 | 74.13 | 79.23 | 88.90 | 98.50 | 91.65 | 88.55 | b | 82.97 | 73.32 | 64.10 | 52.74 | 76.24 | ||||||||||||
1975 | 56.13 | 60.43 | 68.97 | a | 72.50 | 83.47 | a | 95.00 | 92.61 | 93.87 | 83.20 | 78.10 | 66.50 | 58.13 | 75.74 | |||||||||||
1976 | 56.84 | 65.48 | 70.07 | a | 77.34 | a | 84.14 | c | 94.47 | 91.43 | c | 93.65 | 84.07 | 73.00 | 61.04 | b | 55.68 | 75.60 | ||||||||
1977 | 55.16 | 63.46 | 64.30 | a | 76.37 | 83.26 | 95.37 | 93.65 | 94.19 | 88.63 | 82.55 | 72.03 | 66.77 | 77.98 | ||||||||||||
1978 | 53.90 | a | 56.46 | 63.97 | b | 80.80 | 85.48 | 97.86 | b | 98.21 | b | 92.29 | 83.43 | 77.68 | 65.10 | 52.97 | 75.68 | |||||||||
1979 | 52.62 | e | 61.67 | a | 69.33 | a | 76.70 | 83.58 | 94.90 | 95.71 | c | 91.71 | 89.55 | a | 86.63 | d | ----- | z | 66.53 | n | 80.24 | b | ||||
1980 | 60.10 | 62.50 | a | 67.10 | k | 74.73 | 84.59 | i | 102.73 | h | 100.62 | b | 94.42 | 87.42 | d | 77.84 | 67.36 | h | 63.37 | d | 77.63 | d | ||||
1981 | 57.96 | e | 65.50 | 67.03 | 77.27 | 86.37 | d | 98.38 | d | 96.41 | d | 92.07 | c | 87.81 | d | 78.04 | d | 74.39 | g | 66.59 | d | 79.40 | a | |||
1982 | 57.30 | a | 62.71 | 71.15 | k | 78.00 | 82.96 | d | 95.26 | c | ----- | z | 94.52 | h | 88.07 | 81.61 | c | 69.09 | h | 50.18 | n | 77.99 | e | |||
1983 | 57.19 | d | 61.79 | 66.38 | b | 70.00 | a | 84.19 | d | 93.19 | c | 95.71 | c | 94.88 | g | 92.38 | f | 79.29 | c | 67.75 | f | 57.82 | n | 75.97 | d | |
1984 | 57.68 | 62.44 | b | 72.00 | b | 77.63 | 87.85 | d | 92.56 | c | 94.12 | e | 89.43 | a | 86.00 | c | 70.58 | g | 63.40 | o | 53.94 | m | 79.97 | c | ||
1985 | 51.79 | c | 61.12 | d | 69.46 | c | 77.08 | f | 87.63 | l | 95.71 | b | 97.87 | h | 94.22 | m | 86.40 | j | 74.21 | c | 68.68 | e | 61.94 | m | 70.16 | f |
1986 | 62.00 | e | 67.00 | a | 72.19 | 82.54 | d | 88.62 | b | 92.80 | 91.20 | f | 94.00 | p | 86.67 | i | 76.52 | b | 64.13 | g | 53.61 | m | 77.38 | e | ||
1987 | 57.12 | f | 63.93 | 66.41 | d | 73.33 | c | 82.81 | e | 94.58 | r | 99.25 | s | 92.75 | w | 87.68 | e | 83.00 | g | 67.55 | j | 55.11 | m | 74.83 | g | |
1988 | 53.33 | d | 64.17 | 73.00 | i | 77.96 | d | 86.96 | e | 95.59 | c | 95.26 | d | ----- | z | 86.93 | b | ----- | z | 71.80 | 56.40 | f | 79.00 | d | ||
1989 | 57.36 | f | 60.89 | 81.24 | b | 83.18 | b | 89.19 | 97.00 | j | 100.31 | r | 90.67 | m | 91.70 | t | 83.86 | c | 72.87 | 65.62 | j | 78.54 | f | |||
1990 | 61.77 | 61.78 | a | 68.17 | m | 78.37 | 87.67 | a | 101.43 | 92.23 | i | 88.66 | b | 83.76 | i | 78.61 | 65.24 | e | ----- | z | 77.94 | d | ||||
1991 | 56.29 | 63.71 | 67.33 | d | 77.46 | b | 84.08 | f | ----- | z | 90.48 | 89.24 | f | 82.57 | b | 80.84 | 67.80 | 59.32 | i | 73.31 | d | |||||
1992 | 52.42 | 60.90 | 71.29 | g | 79.71 | i | 89.82 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.66 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.39 | 62.39 | 68.70 | 77.18 | 85.94 | 94.87 | 95.43 | 92.55 | 87.58 | 78.69 | 66.40 | 58.19 | 76.78 | |||||||||||||
S.D. | 4.35 | 3.60 | 3.92 | 3.12 | 2.41 | 2.30 | 2.37 | 2.22 | 2.93 | 3.14 | 4.17 | 4.22 | 0.90 | |||||||||||||
SKEW | -0.46 | -0.06 | 0.88 | -0.08 | 0.09 | 0.50 | -0.26 | -0.25 | 0.18 | -0.09 | -0.07 | 0.06 | 0.67 | |||||||||||||
MAX | 63.87 | 71.42 | 81.24 | 83.18 | 91.94 | 101.43 | 100.62 | 97.06 | 94.13 | 86.63 | 74.38 | 67.07 | 79.11 | |||||||||||||
MIN | 43.42 | 52.75 | 62.00 | 70.00 | 80.45 | 89.33 | 90.48 | 88.55 | 82.57 | 72.66 | 58.43 | 47.18 | 75.60 | |||||||||||||
YRS | 47 | 51 | 43 | 49 | 47 | 45 | 44 | 40 | 45 | 49 | 42 | 38 | 22 |