YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | 71.00 | 78.00 | 80.00 | 83.00 | 78.00 | a | 72.00 | a | 61.00 | 40.00 | a | ----- | z | |||||
1906 | 49.00 | a | 45.00 | a | 45.00 | v | 64.00 | 71.00 | 82.00 | 82.00 | 88.00 | 78.00 | 70.00 | 60.00 | 50.00 | 88.00 | x | |||||||||
1907 | 49.00 | 51.00 | 67.00 | 70.00 | 69.00 | 78.00 | 81.00 | 78.00 | 76.00 | 70.00 | 58.00 | 50.00 | 81.00 | |||||||||||||
1908 | 44.00 | 48.00 | 58.00 | 62.00 | 67.00 | 75.00 | 81.00 | 81.00 | 79.00 | 70.00 | 60.00 | 46.00 | 81.00 | |||||||||||||
1909 | 50.00 | 45.00 | 50.00 | 61.00 | 66.00 | 81.00 | 82.00 | 81.00 | 74.00 | 69.00 | 63.00 | 42.00 | 82.00 | |||||||||||||
1910 | 49.00 | 50.00 | 63.00 | 71.00 | 81.00 | 82.00 | 87.00 | 82.00 | 80.00 | 78.00 | 61.00 | 53.00 | 87.00 | |||||||||||||
1911 | 53.00 | 45.00 | 57.00 | 62.00 | 70.00 | 79.00 | 79.00 | 82.00 | 75.00 | 69.00 | 51.00 | a | 45.00 | 82.00 | a | |||||||||||
1912 | 56.00 | 46.00 | 50.00 | 60.00 | 75.00 | 77.00 | 82.00 | 80.00 | 71.00 | 66.00 | 58.00 | 39.00 | 82.00 | |||||||||||||
1913 | 43.00 | 42.00 | 57.00 | 63.00 | 76.00 | 79.00 | 86.00 | 81.00 | 79.00 | 64.00 | 58.00 | 38.00 | 86.00 | |||||||||||||
1914 | 49.00 | 45.00 | 48.00 | 63.00 | 74.00 | 82.00 | 83.00 | 80.00 | 78.00 | 66.00 | a | 61.00 | 46.00 | 83.00 | a | |||||||||||
1915 | 39.00 | 50.00 | 54.00 | ----- | z | ----- | z | 85.00 | 86.00 | 81.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.00 | 86.00 | 80.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.00 | o | 79.00 | a | ----- | 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 | 58.00 | 57.00 | ----- | z | ||
1959 | 50.00 | 48.00 | a | 52.00 | 71.00 | b | 75.00 | 84.00 | 85.00 | 83.00 | 82.00 | 70.00 | 57.00 | 50.00 | 85.00 | c | ||||||||||
1960 | 43.00 | 47.00 | 57.00 | 68.00 | 76.00 | 85.00 | 87.00 | 84.00 | 84.00 | 71.00 | 59.00 | 47.00 | a | 87.00 | a | |||||||||||
1961 | 43.00 | 56.00 | 56.00 | 67.00 | 73.00 | a | 91.00 | 85.00 | 82.00 | 78.00 | 69.00 | 52.00 | 47.00 | 91.00 | a | |||||||||||
1962 | 40.00 | 55.00 | 57.00 | 70.00 | 72.00 | 83.00 | 82.00 | 84.00 | 80.00 | 73.00 | 69.00 | 59.00 | 84.00 | |||||||||||||
1963 | 47.00 | 56.00 | 62.00 | 66.00 | 75.00 | 83.00 | a | 86.00 | 79.00 | 80.00 | 74.00 | 61.00 | 45.00 | 86.00 | a | |||||||||||
1964 | 49.00 | 46.00 | 50.00 | a | 62.00 | 78.00 | 80.00 | 89.00 | 78.00 | 76.00 | 74.00 | 62.00 | a | 52.00 | 89.00 | b | ||||||||||
1965 | 47.00 | 50.00 | 55.00 | 69.00 | 69.00 | 80.00 | 81.00 | 84.00 | 78.00 | 73.00 | 62.00 | 46.00 | a | 84.00 | a | |||||||||||
1966 | 43.00 | 40.00 | 65.00 | a | 68.00 | 75.00 | 85.00 | 86.00 | 81.00 | 81.00 | 68.00 | 62.00 | 49.00 | 86.00 | a | |||||||||||
1967 | 50.00 | 51.00 | 62.00 | 64.00 | 79.00 | 80.00 | 83.00 | 81.00 | 77.00 | 72.00 | 62.00 | 45.00 | 83.00 | |||||||||||||
1968 | 41.00 | 47.00 | a | 56.00 | 64.00 | 76.00 | 85.00 | 85.00 | 78.00 | 75.00 | 71.00 | 55.00 | 51.00 | 85.00 | a | |||||||||||
1969 | 57.00 | 44.00 | 59.00 | 70.00 | 78.00 | 78.00 | 83.00 | 86.00 | a | 75.00 | 67.00 | 52.00 | 50.00 | 86.00 | a | |||||||||||
1970 | 53.00 | 53.00 | 51.00 | 61.00 | 73.00 | ----- | z | 83.00 | 81.00 | 73.00 | 67.00 | 56.00 | 49.00 | ----- | z | |||||||||||
1971 | 54.00 | 51.00 | 65.00 | 66.00 | 70.00 | 83.00 | 85.00 | 79.00 | 78.00 | 71.00 | 59.00 | 52.00 | 85.00 | |||||||||||||
1972 | 49.00 | 53.00 | 63.00 | 66.00 | 76.00 | 82.00 | 86.00 | 86.00 | 77.00 | 79.00 | 45.00 | 45.00 | 86.00 | |||||||||||||
1973 | 45.00 | 48.00 | 51.00 | 62.00 | 74.00 | 85.00 | a | 88.00 | 85.00 | 79.00 | 73.00 | a | 63.00 | 59.00 | a | 88.00 | c | |||||||||
1974 | 55.00 | 62.00 | a | 68.00 | 70.00 | 75.00 | 86.00 | 88.00 | 80.00 | 78.00 | a | 72.00 | 58.00 | a | 42.00 | 88.00 | c | |||||||||
1975 | 54.00 | 54.00 | 55.00 | 60.00 | 74.00 | 84.00 | 85.00 | a | 90.00 | 88.00 | 73.00 | 64.00 | a | 47.00 | 90.00 | b | ||||||||||
1976 | 52.00 | 54.00 | a | 55.00 | 62.00 | 72.00 | 82.00 | 84.00 | 78.00 | 78.00 | a | 70.00 | 62.00 | 50.00 | 84.00 | b | ||||||||||
1977 | 52.00 | 61.00 | 54.00 | 66.00 | 79.00 | 84.00 | 86.00 | ----- | z | 77.00 | 75.00 | ----- | z | 48.00 | ----- | z | ||||||||||
1978 | 38.00 | 49.00 | 52.00 | b | ----- | z | 74.00 | a | 82.00 | 85.00 | d | 84.00 | a | 83.00 | 78.00 | 68.00 | h | 38.00 | ----- | z | ||||||
1979 | 42.00 | 56.00 | 51.00 | 70.00 | a | 72.00 | 85.00 | 88.00 | 88.00 | 82.00 | 80.00 | 50.00 | a | 46.00 | 88.00 | b | ||||||||||
1980 | 54.00 | 54.00 | 48.00 | e | 65.00 | 74.00 | a | 86.00 | 87.00 | 88.00 | 81.00 | 78.00 | a | 70.00 | 59.00 | a | 88.00 | h | ||||||||
1981 | 53.00 | 60.00 | b | 54.00 | a | 78.00 | 70.00 | 86.00 | a | 84.00 | a | 84.00 | 78.00 | c | 75.00 | 63.00 | 55.00 | 86.00 | h | |||||||
1982 | 54.00 | 48.00 | b | 54.00 | 64.00 | 71.00 | 85.00 | ----- | z | 78.00 | a | 78.00 | 68.00 | 61.00 | 54.00 | ----- | z | |||||||||
1983 | 50.00 | a | 53.00 | 57.00 | 62.00 | d | 76.00 | 80.00 | 83.00 | 82.00 | 79.00 | a | 68.00 | 68.00 | b | 52.00 | 83.00 | h | ||||||||
1984 | 43.00 | 48.00 | 52.00 | 65.00 | 78.00 | b | 83.00 | 84.00 | 79.00 | 77.00 | 68.00 | 63.00 | 54.00 | 84.00 | b | |||||||||||
1985 | 46.00 | 52.00 | 57.00 | 67.00 | 73.00 | 82.00 | 86.00 | 84.00 | 77.00 | 72.00 | 60.00 | 49.00 | 86.00 | |||||||||||||
1986 | 54.00 | 58.00 | b | 64.00 | 67.00 | b | 75.00 | 83.00 | 84.00 | 84.00 | 76.00 | 65.00 | a | 54.00 | 45.00 | 84.00 | e | |||||||||
1987 | 50.00 | 54.00 | 59.00 | 70.00 | 70.00 | 80.00 | 87.00 | 84.00 | 78.00 | 77.00 | 62.00 | 55.00 | 87.00 | |||||||||||||
1988 | 48.00 | 51.00 | 65.00 | 69.00 | a | 77.00 | 84.00 | 85.00 | 84.00 | 80.00 | 74.00 | 63.00 | 52.00 | 85.00 | a | |||||||||||
1989 | 45.00 | 57.00 | 66.00 | 73.00 | 80.00 | 84.00 | 92.00 | 80.00 | 81.00 | 75.00 | 66.00 | 55.00 | 92.00 | |||||||||||||
1990 | 56.00 | 56.00 | 62.00 | 68.00 | a | 73.00 | 88.00 | 84.00 | 82.00 | 84.00 | 71.00 | 59.00 | 47.00 | 88.00 | a | |||||||||||
1991 | 44.00 | 54.00 | 52.00 | 67.00 | 71.00 | b | 82.00 | 83.00 | 78.00 | 74.00 | c | 74.00 | a | 61.00 | 44.00 | 83.00 | f | |||||||||
1992 | 49.00 | 53.00 | a | 54.00 | a | 74.00 | b | 76.00 | a | 80.00 | 83.00 | b | 81.00 | 78.00 | b | 71.00 | 49.00 | 44.00 | a | 83.00 | j | |||||
1993 | 46.00 | a | 42.00 | 59.00 | 65.00 | 74.00 | b | 81.00 | 83.00 | c | 83.00 | a | 77.00 | b | 73.00 | 54.00 | 44.00 | 83.00 | i | |||||||
1994 | 49.00 | a | 51.00 | 62.00 | a | 69.00 | b | 76.00 | d | 85.00 | 82.00 | a | 82.00 | a | 77.00 | c | 66.00 | b | 64.00 | a | 42.00 | a | 85.00 | q | ||
1995 | 43.00 | a | 50.00 | 60.00 | 60.00 | b | 70.00 | d | 80.00 | 85.00 | a | 80.00 | 83.00 | c | 74.00 | a | 56.00 | a | 49.00 | a | 85.00 | n | ||||
1996 | 44.00 | a | 49.00 | a | 56.00 | c | 71.00 | d | 82.00 | b | 86.00 | 81.00 | 80.00 | 78.00 | b | 75.00 | 58.00 | a | 41.00 | b | 86.00 | p | ||||
1997 | 42.00 | a | 45.00 | a | 61.00 | a | 64.00 | 76.00 | 80.00 | b | 81.00 | 75.00 | 76.00 | 76.00 | 61.00 | 45.00 | a | 81.00 | f | |||||||
1998 | 45.00 | 44.00 | 62.00 | a | 66.00 | 73.00 | 87.00 | 85.00 | a | 81.00 | 80.00 | 71.00 | 60.00 | 57.00 | 87.00 | b | ||||||||||
1999 | 48.00 | 52.00 | 62.00 | 65.00 | a | 72.00 | a | 80.00 | 83.00 | 76.00 | a | 74.00 | b | 74.00 | 65.00 | a | 52.00 | a | 83.00 | g | ||||||
2000 | 53.00 | a | 51.00 | c | 58.00 | c | 72.00 | a | 80.00 | b | 83.00 | a | 82.00 | 85.00 | 79.00 | a | 74.00 | 51.00 | 49.00 | 85.00 | l | |||||
2001 | 46.00 | 51.00 | 58.00 | b | 68.00 | b | 74.00 | b | 81.00 | a | 84.00 | a | 80.00 | c | 77.00 | b | 74.00 | a | 62.00 | 46.00 | 84.00 | n | ||||
2002 | 49.00 | 51.00 | 64.00 | 67.00 | a | 83.00 | a | 85.00 | 87.00 | 87.00 | 78.00 | 67.00 | 58.00 | 49.00 | a | 87.00 | c | |||||||||
2003 | 53.00 | 55.00 | 59.00 | 66.00 | a | 82.00 | 82.00 | a | 88.00 | 83.00 | 76.00 | 76.00 | 54.00 | a | 51.00 | 88.00 | c | |||||||||
2004 | 40.00 | 47.00 | 67.00 | 65.00 | 73.00 | 80.00 | 85.00 | 80.00 | 76.00 | 67.00 | 61.00 | 48.00 | 85.00 | |||||||||||||
2005 | 48.00 | 46.00 | 55.00 | 64.00 | 79.00 | 82.00 | 87.00 | 82.00 | 77.00 | 72.00 | 65.00 | a | 46.00 | 87.00 | a | |||||||||||
2006 | 45.00 | 56.00 | 56.00 | 67.00 | 79.00 | 84.00 | 85.00 | 79.00 | 74.00 | 70.00 | 68.00 | b | 47.00 | 85.00 | b | |||||||||||
2007 | 48.00 | 52.00 | 65.00 | 71.00 | 73.00 | 85.00 | 87.00 | 82.00 | 78.00 | 72.00 | a | 65.00 | 48.00 | d | 87.00 | e | ||||||||||
2008 | 37.00 | 48.00 | 55.00 | 65.00 | b | 76.00 | 80.00 | a | 87.00 | 87.00 | 77.00 | 70.00 | b | 64.00 | 51.00 | a | 87.00 | f | ||||||||
2009 | 48.00 | 51.00 | 63.00 | 67.00 | 73.00 | c | 79.00 | 83.00 | 84.00 | 79.00 | 70.00 | b | 67.00 | 46.00 | 84.00 | e | ||||||||||
2010 | 43.00 | 42.00 | 62.00 | 64.00 | 71.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.71 | 50.47 | 57.84 | 66.38 | 74.49 | 82.50 | 84.55 | 81.97 | 78.11 | 71.66 | 59.85 | 48.37 | 85.79 | |||||||||||||
S.D. | 4.86 | 4.83 | 5.21 | 3.76 | 3.69 | 2.95 | 2.46 | 3.08 | 2.88 | 3.64 | 5.11 | 5.01 | 2.59 | |||||||||||||
SKEW | -0.12 | 0.12 | 0.06 | 0.46 | 0.18 | 0.09 | 0.20 | 0.34 | 0.62 | 0.12 | -0.57 | 0.15 | 0.16 | |||||||||||||
MAX | 57.00 | 62.00 | 68.00 | 78.00 | 83.00 | 91.00 | 92.00 | 90.00 | 88.00 | 80.00 | 70.00 | 59.00 | 92.00 | |||||||||||||
MIN | 37.00 | 40.00 | 48.00 | 60.00 | 66.00 | 75.00 | 79.00 | 75.00 | 71.00 | 64.00 | 45.00 | 38.00 | 81.00 | |||||||||||||
YRS | 62 | 62 | 61 | 60 | 61 | 62 | 62 | 62 | 62 | 61 | 60 | 62 | 38 |