YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.00 | 70.00 | r | ----- | z | |
1905 | 65.00 | 64.00 | k | 81.00 | 83.00 | 87.00 | b | 95.00 | 94.00 | 97.00 | 94.00 | ----- | z | ----- | z | 60.00 | ----- | z | ||||||||
1906 | 70.00 | 70.00 | ----- | z | 85.00 | 85.00 | 92.00 | b | 97.00 | 93.00 | 95.00 | 83.00 | 76.00 | a | 70.00 | ----- | z | |||||||||
1907 | 70.00 | a | 73.00 | b | ----- | z | 89.00 | a | ----- | z | ----- | z | ----- | z | 101.00 | o | 92.00 | ----- | z | ----- | z | 71.00 | ----- | z | ||
1908 | ----- | z | ----- | z | 88.00 | b | 82.00 | ----- | z | 98.00 | a | 98.00 | ----- | z | ----- | z | ----- | z | ----- | z | 85.00 | c | ----- | z | ||
1909 | 80.00 | a | ----- | z | ----- | z | 94.00 | 93.00 | 101.00 | 103.00 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | 96.00 | d | 92.00 | 80.00 | h | 73.00 | a | ----- | z | |
1963 | 79.00 | 86.00 | 89.00 | 92.00 | 98.00 | 98.00 | 100.00 | 98.00 | k | 92.00 | 90.00 | ----- | z | ----- | z | ----- | z | |||||||||
1964 | ----- | z | 62.00 | 82.00 | a | 91.00 | i | 97.00 | 100.00 | a | 101.00 | 103.00 | 96.00 | a | 90.00 | 78.00 | 78.00 | ----- | z | |||||||
1965 | 75.00 | a | 77.00 | 79.00 | 96.00 | 96.00 | f | 98.00 | 99.00 | 95.00 | l | 97.00 | b | 95.00 | 81.00 | 74.00 | 99.00 | u | ||||||||
1966 | 66.00 | a | 61.00 | a | 81.00 | 86.00 | 97.00 | 97.00 | 101.00 | 104.00 | 89.00 | 87.00 | 82.00 | 72.00 | 104.00 | b | ||||||||||
1967 | 78.00 | 79.00 | 83.00 | c | 90.00 | 95.00 | 96.00 | 98.00 | 105.00 | e | 95.00 | 94.00 | a | 83.00 | d | 70.00 | a | 105.00 | n | |||||||
1968 | 70.00 | a | 69.00 | 82.00 | 89.00 | 91.00 | a | 105.00 | ----- | z | 98.00 | 95.00 | 93.00 | 80.00 | 69.00 | ----- | z | |||||||||
1969 | 72.00 | 74.00 | 74.00 | 89.00 | 91.00 | 99.00 | 100.00 | 102.00 | 92.00 | 88.00 | a | 72.00 | h | 78.00 | b | 102.00 | k | |||||||||
1970 | 79.00 | 83.00 | b | 78.00 | a | 85.00 | a | 92.00 | 105.00 | 101.00 | b | 99.00 | b | 99.00 | 88.00 | f | 84.00 | 78.00 | 105.00 | n | ||||||
1971 | 74.00 | a | 77.00 | a | 84.00 | a | 93.00 | b | 93.00 | a | 95.00 | 100.00 | a | 94.00 | c | 96.00 | a | 86.00 | 80.00 | b | 76.00 | 100.00 | m | |||
1972 | 78.00 | a | 81.00 | 86.00 | a | 93.00 | d | 88.00 | a | 98.00 | 93.00 | a | 94.00 | a | 98.00 | 89.00 | a | 69.00 | 70.00 | 98.00 | j | |||||
1973 | 67.00 | 70.00 | 74.00 | a | 82.00 | 91.00 | 100.00 | 102.00 | a | 104.00 | 95.00 | 92.00 | 83.00 | 78.00 | 104.00 | b | ||||||||||
1974 | 78.00 | 76.00 | 86.00 | a | 90.00 | a | 100.00 | 101.00 | 101.00 | 98.00 | 91.00 | 88.00 | 76.00 | 66.00 | 101.00 | b | ||||||||||
1975 | 73.00 | 72.00 | 81.00 | 88.00 | 88.00 | 98.00 | 95.00 | 98.00 | 91.00 | l | 91.00 | 85.00 | 75.00 | 98.00 | l | |||||||||||
1976 | 70.00 | a | 80.00 | k | 90.00 | e | 85.00 | 95.00 | c | 97.00 | 97.00 | 99.00 | 93.00 | 87.00 | 78.00 | a | 71.00 | a | 99.00 | v | ||||||
1977 | 59.00 | 78.00 | 79.00 | 85.00 | 89.00 | 97.00 | 100.00 | 100.00 | 96.00 | 93.00 | 78.00 | 75.00 | 100.00 | |||||||||||||
1978 | 66.00 | 61.00 | 83.00 | 90.00 | 98.00 | 102.00 | 107.00 | 103.00 | 100.00 | 89.00 | 79.00 | 74.00 | 107.00 | |||||||||||||
1979 | 62.00 | 85.00 | 77.00 | 86.00 | 93.00 | 99.00 | 98.00 | 94.00 | 95.00 | 97.00 | 72.00 | 74.00 | 99.00 | |||||||||||||
1980 | 70.00 | 80.00 | 77.00 | 87.00 | d | 90.00 | 108.00 | 107.00 | 99.00 | 96.00 | 87.00 | 90.00 | 75.00 | b | 108.00 | f | ||||||||||
1981 | 71.00 | 81.00 | 82.00 | c | 93.00 | a | 93.00 | b | 107.00 | 105.00 | 96.00 | 91.00 | c | 85.00 | a | 80.00 | 71.00 | 107.00 | j | |||||||
1982 | 73.00 | b | 82.00 | a | 84.00 | 89.00 | 94.00 | 99.00 | 100.00 | 103.00 | 97.00 | 87.00 | a | 82.00 | 75.00 | 103.00 | d | |||||||||
1983 | 69.00 | 69.00 | a | 76.00 | 80.00 | 85.00 | b | 99.00 | a | 100.00 | a | 101.00 | b | 102.00 | b | ----- | z | 73.00 | n | 69.00 | ----- | z | ||||
1984 | 71.00 | 75.00 | 84.00 | 84.00 | 98.00 | 97.00 | 96.00 | 102.00 | 99.00 | 88.00 | 79.00 | 74.00 | 102.00 | |||||||||||||
1985 | 61.00 | 69.00 | a | 79.00 | 86.00 | 101.00 | b | 98.00 | 102.00 | 100.00 | 99.00 | 88.00 | 76.00 | 68.00 | 102.00 | c | ||||||||||
1986 | 80.00 | 81.00 | 89.00 | 90.00 | 93.00 | 98.00 | 106.00 | 103.00 | 90.00 | 81.00 | 75.00 | c | 60.00 | 106.00 | c | |||||||||||
1987 | 71.00 | 75.00 | 74.00 | 94.00 | 92.00 | 99.00 | 95.00 | 98.00 | 89.00 | 91.00 | 81.00 | 75.00 | 99.00 | |||||||||||||
1988 | 71.00 | 75.00 | 85.00 | 83.00 | 91.00 | 100.00 | 97.00 | 98.00 | 92.00 | ----- | z | ----- | z | 64.00 | t | ----- | z | |||||||||
1989 | 70.00 | 79.00 | a | 92.00 | 98.00 | 98.00 | 92.00 | d | 100.00 | 99.00 | 95.00 | b | 93.00 | 81.00 | 73.00 | c | 100.00 | j | ||||||||
1990 | 75.00 | 80.00 | 79.00 | 81.00 | a | 94.00 | 105.00 | d | 97.00 | 101.00 | 97.00 | 85.00 | m | 82.00 | 70.00 | d | 105.00 | v | ||||||||
1991 | 64.00 | 76.00 | 83.00 | 86.00 | 95.00 | 95.00 | 96.00 | c | 94.00 | 90.00 | 90.00 | 72.00 | 70.00 | 96.00 | c | |||||||||||
1992 | 61.00 | 74.00 | 76.00 | 87.00 | 93.00 | 93.00 | 99.00 | 97.00 | c | 95.00 | b | 90.00 | 73.00 | 69.00 | 99.00 | e | ||||||||||
1993 | 65.00 | 72.00 | 81.00 | 85.00 | 86.00 | 96.00 | 97.00 | j | 96.00 | 92.00 | 88.00 | 73.00 | 74.00 | 97.00 | j | |||||||||||
1994 | 75.00 | a | 75.00 | a | 84.00 | 88.00 | 91.00 | 105.00 | 103.00 | 103.00 | 95.00 | 87.00 | 83.00 | a | 74.00 | 105.00 | c | |||||||||
1995 | 72.00 | 80.00 | 90.00 | 89.00 | 88.00 | 96.00 | 102.00 | 99.00 | 101.00 | c | 84.00 | 83.00 | 75.00 | c | 102.00 | f | ||||||||||
1996 | 70.00 | 83.00 | 80.00 | 93.00 | 100.00 | c | 99.00 | 99.00 | d | 93.00 | 89.00 | c | 85.00 | 85.00 | 79.00 | 100.00 | j | |||||||||
1997 | 77.00 | 72.00 | 85.00 | 81.00 | 88.00 | 95.00 | d | 98.00 | 96.00 | 95.00 | 89.00 | a | 82.00 | 69.00 | a | 98.00 | f | |||||||||
1998 | 68.00 | d | 74.00 | 85.00 | 90.00 | e | 99.00 | 104.00 | 100.00 | f | 96.00 | 98.00 | 89.00 | 82.00 | 72.00 | 104.00 | o | |||||||||
1999 | 73.00 | b | 79.00 | b | 76.00 | 89.00 | e | 88.00 | 97.00 | 94.00 | q | 99.00 | 94.00 | d | ----- | z | 82.00 | 68.00 | k | ----- | z | |||||
2000 | ----- | z | 83.00 | g | 77.00 | o | 83.00 | t | 102.00 | r | 98.00 | k | ----- | z | 98.00 | x | 98.00 | w | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | a | 92.00 | 88.00 | 83.00 | 70.00 | a | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 70.95 | 75.39 | 82.00 | 87.93 | 92.77 | 98.85 | 99.56 | 98.84 | 94.73 | 88.97 | 79.61 | 72.47 | 102.15 | |||||||||||||
S.D. | 5.49 | 6.14 | 4.73 | 4.30 | 4.37 | 3.82 | 3.38 | 3.35 | 3.32 | 3.41 | 4.38 | 4.67 | 3.13 | |||||||||||||
SKEW | -0.23 | -0.64 | 0.14 | 0.19 | 0.07 | 0.56 | 0.40 | -0.01 | 0.08 | 0.07 | -0.38 | -0.36 | -0.28 | |||||||||||||
MAX | 80.00 | 86.00 | 92.00 | 98.00 | 101.00 | 108.00 | 107.00 | 105.00 | 102.00 | 97.00 | 90.00 | 85.00 | 107.00 | |||||||||||||
MIN | 59.00 | 61.00 | 74.00 | 80.00 | 85.00 | 92.00 | 93.00 | 93.00 | 89.00 | 81.00 | 69.00 | 60.00 | 96.00 | |||||||||||||
YRS | 40 | 38 | 39 | 41 | 39 | 41 | 36 | 38 | 41 | 35 | 36 | 40 | 13 |