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 | 100.00 | 88.00 | d | 88.00 | 79.00 | 69.00 | ----- | z | ||||
1939 | 64.00 | ----- | z | 79.00 | a | 89.00 | 99.00 | 105.00 | 100.00 | 97.00 | 102.00 | 89.00 | 83.00 | a | 74.00 | ----- | z | |||||||||
1940 | 65.00 | 77.00 | 85.00 | 86.00 | 96.00 | 100.00 | 107.00 | f | 98.00 | 95.00 | m | 86.00 | 74.00 | 65.00 | 107.00 | s | ||||||||||
1941 | 61.00 | 68.00 | 73.00 | 77.00 | 96.00 | 99.00 | 99.00 | 96.00 | 93.00 | 85.00 | 75.00 | 68.00 | g | 99.00 | g | |||||||||||
1942 | 69.00 | 69.00 | 79.00 | 85.00 | 96.00 | 103.00 | 103.00 | 98.00 | 93.00 | 85.00 | ----- | z | ----- | z | ----- | z | ||||||||||
1943 | ----- | z | 80.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | 92.00 | c | 101.00 | 101.00 | 105.00 | 96.00 | 88.00 | 76.00 | 65.00 | ----- | z | |||||||
1945 | 68.00 | m | 74.00 | 85.00 | o | 86.00 | l | 93.00 | 100.00 | 102.00 | 99.00 | 102.00 | 84.00 | 81.00 | 73.00 | ----- | z | |||||||||
1946 | 73.00 | 74.00 | 85.00 | 89.00 | 92.00 | 102.00 | 101.00 | 102.00 | 95.00 | a | 88.00 | a | 74.00 | a | 74.00 | 102.00 | c | |||||||||
1947 | 72.00 | b | 71.00 | 82.00 | 84.00 | 98.00 | 99.00 | 104.00 | 100.00 | 97.00 | 91.00 | 78.00 | a | 64.00 | 104.00 | c | ||||||||||
1948 | 72.00 | 77.00 | a | 74.00 | 93.00 | 96.00 | f | 103.00 | a | 104.00 | 101.00 | 103.00 | 87.00 | 74.00 | 70.00 | 104.00 | h | |||||||||
1949 | 59.00 | 73.00 | 80.00 | 89.00 | 95.00 | 101.00 | a | 101.00 | 98.00 | c | 100.00 | h | 90.00 | b | 80.00 | b | 71.00 | c | 101.00 | s | ||||||
1950 | 76.00 | e | 75.00 | b | 83.00 | c | 92.00 | a | ----- | z | 106.00 | g | 101.00 | a | ----- | z | ----- | z | 91.00 | 83.00 | e | 76.00 | c | ----- | z | |
1951 | 71.00 | f | 78.00 | a | 76.00 | c | 83.00 | a | 102.00 | 105.00 | b | 108.00 | b | 102.00 | 99.00 | b | 90.00 | 75.00 | 72.00 | r | ----- | z | ||||
1952 | 71.00 | g | 70.00 | 75.00 | f | 84.00 | 94.00 | 101.00 | 101.00 | a | 103.00 | 99.00 | 90.00 | 80.00 | a | 64.00 | b | 103.00 | q | |||||||
1953 | 74.00 | 75.00 | 82.00 | c | 85.00 | a | 96.00 | 105.00 | 107.00 | b | 101.00 | 97.00 | d | 88.00 | e | 76.00 | 69.00 | b | 107.00 | q | ||||||
1954 | 74.00 | d | 78.00 | a | 80.00 | d | 90.00 | 93.00 | a | 105.00 | b | 105.00 | b | 100.00 | a | 97.00 | d | 90.00 | c | 78.00 | a | 74.00 | e | ----- | z | |
1955 | 66.00 | b | 75.00 | b | 78.00 | d | 84.00 | 92.00 | c | 103.00 | b | 101.00 | h | 96.00 | n | 99.00 | 89.00 | a | 78.00 | b | 73.00 | d | ----- | z | ||
1956 | 70.00 | a | 74.00 | b | 81.00 | f | 84.00 | b | 101.00 | c | 105.00 | 105.00 | 101.00 | f | 101.00 | 92.00 | c | 78.00 | d | 66.00 | j | ----- | z | |||
1957 | 69.00 | a | 81.00 | b | 79.00 | e | 84.00 | 93.00 | d | 105.00 | 110.00 | b | 95.00 | c | 96.00 | b | 87.00 | g | 68.00 | h | 68.00 | d | ----- | z | ||
1958 | 75.00 | a | 75.00 | a | 82.00 | d | 90.00 | b | 99.00 | c | ----- | z | 106.00 | 99.00 | j | 99.00 | a | 84.00 | b | 77.00 | a | 76.00 | b | ----- | z | |
1959 | 73.00 | c | 74.00 | c | 77.00 | g | 90.00 | 95.00 | 104.00 | k | 100.00 | b | 97.00 | 98.00 | a | 90.00 | a | 76.00 | h | 68.00 | a | ----- | z | |||
1960 | 67.00 | b | 70.00 | h | 83.00 | a | 91.00 | 96.00 | a | 107.00 | a | 110.00 | a | 102.00 | s | 97.00 | a | 88.00 | b | 80.00 | b | 66.00 | c | ----- | z | |
1961 | 65.00 | a | 75.00 | 80.00 | 91.00 | a | 97.00 | a | 104.00 | a | 101.00 | 101.00 | 92.00 | a | 87.00 | d | 71.00 | a | 70.00 | b | 104.00 | l | ||||
1962 | 68.00 | c | 77.00 | a | 78.00 | 93.00 | d | 95.00 | 103.00 | b | 98.00 | 100.00 | 95.00 | b | 86.00 | a | 78.00 | 68.00 | a | 103.00 | n | |||||
1963 | 73.00 | b | 82.00 | a | 85.00 | c | 90.00 | a | 95.00 | c | 103.00 | a | 108.00 | 94.00 | e | 96.00 | a | 89.00 | 78.00 | 67.00 | b | 108.00 | s | |||
1964 | 66.00 | b | 67.00 | b | 80.00 | c | 86.00 | b | 100.00 | 100.00 | 106.00 | 103.00 | b | 99.00 | b | 85.00 | c | 75.00 | b | 72.00 | a | 106.00 | s | |||
1965 | 71.00 | a | 77.00 | a | 77.00 | 95.00 | d | 94.00 | a | 101.00 | 102.00 | 103.00 | 92.00 | 93.00 | 80.00 | 70.00 | 103.00 | g | ||||||||
1966 | 66.00 | 69.00 | c | 82.00 | 87.00 | 97.00 | 102.00 | 106.00 | 100.00 | 92.00 | a | 87.00 | 80.00 | 71.00 | 106.00 | d | ||||||||||
1967 | 75.00 | a | 74.00 | 85.00 | 88.00 | 97.00 | 100.00 | 101.00 | 96.00 | 91.00 | 89.00 | 77.00 | 63.00 | 101.00 | a | |||||||||||
1968 | 68.00 | 75.00 | 82.00 | 82.00 | 97.00 | 106.00 | 100.00 | 94.00 | 94.00 | 90.00 | 76.00 | 68.00 | 106.00 | |||||||||||||
1969 | 73.00 | a | 70.00 | 86.00 | 89.00 | 100.00 | 106.00 | 102.00 | 103.00 | 98.00 | 89.00 | 75.00 | 70.00 | 106.00 | a | |||||||||||
1970 | 78.00 | 75.00 | 75.00 | 82.00 | 96.00 | 104.00 | 103.00 | 99.00 | 97.00 | 82.00 | 77.00 | 73.00 | 104.00 | |||||||||||||
1971 | 78.00 | 77.00 | 86.00 | 89.00 | 90.00 | 102.00 | 105.00 | 96.00 | 99.00 | 84.00 | 75.00 | 70.00 | 105.00 | |||||||||||||
1972 | 73.00 | 79.00 | 84.00 | 90.00 | 93.00 | 103.00 | 105.00 | 103.00 | 92.00 | 92.00 | 72.00 | 69.00 | a | 105.00 | a | |||||||||||
1973 | 66.00 | 70.00 | 72.00 | 84.00 | 94.00 | 107.00 | a | 106.00 | 99.00 | 95.00 | 90.00 | 83.00 | 72.00 | a | 107.00 | b | ||||||||||
1974 | 75.00 | 76.00 | 84.00 | 92.00 | 100.00 | 107.00 | 101.00 | 97.00 | b | 98.00 | 84.00 | 75.00 | 66.00 | 107.00 | b | |||||||||||
1975 | 74.00 | 73.00 | 80.00 | a | 85.00 | 93.00 | a | 101.00 | 100.00 | 99.00 | 96.00 | 87.00 | 78.00 | 69.00 | 101.00 | b | ||||||||||
1976 | 69.00 | 75.00 | 79.00 | a | 87.00 | a | 96.00 | c | 102.00 | 99.00 | c | 101.00 | 94.00 | 83.00 | 75.00 | b | 65.00 | 102.00 | j | |||||||
1977 | 63.00 | 77.00 | 74.00 | a | 89.00 | 96.00 | 104.00 | 101.00 | 100.00 | 96.00 | 94.00 | 84.00 | 75.00 | 104.00 | a | |||||||||||
1978 | 63.00 | a | 65.00 | 80.00 | b | 88.00 | 96.00 | 105.00 | b | 104.00 | b | 100.00 | 90.00 | 86.00 | 71.00 | 65.00 | 105.00 | g | ||||||||
1979 | 61.00 | e | 74.00 | a | 76.00 | a | 86.00 | 92.00 | 103.00 | 106.00 | c | 99.00 | 99.00 | a | 93.00 | d | ----- | z | 72.00 | n | ----- | z | ||||
1980 | 66.00 | 75.00 | a | 74.00 | k | 86.00 | 90.00 | i | 106.00 | h | 106.00 | b | 100.00 | 96.00 | d | 93.00 | 83.00 | h | 76.00 | d | ----- | z | ||||
1981 | 68.00 | e | 75.00 | 75.00 | 90.00 | 92.00 | d | 110.00 | d | 102.00 | d | 98.00 | c | 97.00 | d | 90.00 | d | 80.00 | g | 72.00 | d | ----- | z | |||
1982 | 69.00 | a | 76.00 | 80.00 | k | 86.00 | 93.00 | d | 102.00 | c | ----- | z | 98.00 | h | 99.00 | 89.00 | c | 74.00 | h | 62.00 | n | ----- | z | |||
1983 | 65.00 | d | 72.00 | 76.00 | b | 82.00 | a | 93.00 | d | 101.00 | c | 104.00 | c | 98.00 | g | 100.00 | f | 94.00 | c | 76.00 | f | 64.00 | n | ----- | z | |
1984 | 69.00 | 69.00 | b | 78.00 | b | 84.00 | 101.00 | d | 98.00 | c | 100.00 | e | 99.00 | a | 96.00 | c | 81.00 | g | 77.00 | o | 63.00 | m | ----- | z | ||
1985 | 68.00 | c | 76.00 | d | 82.00 | c | 87.00 | f | 94.00 | l | 104.00 | b | 103.00 | h | 101.00 | m | 96.00 | j | 85.00 | c | 75.00 | e | 66.00 | m | ----- | z |
1986 | 74.00 | e | 83.00 | a | 83.00 | 89.00 | d | 96.00 | b | 102.00 | 104.00 | f | 101.00 | p | 92.00 | i | 84.00 | b | 74.00 | g | 64.00 | m | ----- | z | ||
1987 | 71.00 | f | 72.00 | 76.00 | d | 89.00 | c | 89.00 | e | 101.00 | r | 101.00 | s | 99.00 | w | 91.00 | e | 91.00 | g | 75.00 | j | 72.00 | m | ----- | z | |
1988 | 74.00 | d | 76.00 | 85.00 | i | 86.00 | d | 98.00 | e | 100.00 | c | 100.00 | d | ----- | z | 95.00 | b | ----- | z | 85.00 | 65.00 | f | ----- | z | ||
1989 | 65.00 | f | 72.00 | 90.00 | b | 94.00 | b | 100.00 | 107.00 | j | 108.00 | r | 98.00 | m | 95.00 | t | 89.00 | c | 86.00 | 70.00 | j | ----- | z | |||
1990 | 70.00 | 75.00 | a | 83.00 | m | 85.00 | 98.00 | a | 109.00 | 101.00 | i | 96.00 | b | 95.00 | i | 85.00 | 80.00 | e | ----- | z | ----- | z | ||||
1991 | 62.00 | 68.00 | 75.00 | d | 85.00 | b | 98.00 | f | ----- | z | 105.00 | 94.00 | f | 95.00 | b | 88.00 | 78.00 | 69.00 | i | ----- | z | |||||
1992 | 62.00 | 74.00 | 78.00 | g | 92.00 | i | 91.00 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 69.17 | 74.27 | 80.00 | 87.31 | 95.66 | 103.07 | 103.16 | 99.30 | 96.11 | 88.16 | 77.69 | 69.74 | 104.46 | |||||||||||||
S.D. | 4.82 | 3.77 | 4.09 | 3.62 | 3.03 | 2.67 | 3.02 | 2.64 | 3.30 | 3.02 | 3.57 | 3.68 | 2.07 | |||||||||||||
SKEW | -0.14 | -0.17 | 0.08 | -0.16 | 0.11 | 0.43 | 0.45 | -0.09 | -0.21 | 0.02 | 0.36 | 0.00 | -0.53 | |||||||||||||
MAX | 78.00 | 83.00 | 90.00 | 95.00 | 102.00 | 110.00 | 110.00 | 105.00 | 103.00 | 94.00 | 86.00 | 76.00 | 107.00 | |||||||||||||
MIN | 59.00 | 65.00 | 72.00 | 77.00 | 89.00 | 98.00 | 98.00 | 94.00 | 88.00 | 82.00 | 71.00 | 63.00 | 101.00 | |||||||||||||
YRS | 47 | 51 | 43 | 49 | 47 | 45 | 44 | 40 | 45 | 49 | 42 | 38 | 13 |