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 | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 63.00 | 42.00 | ----- | z | ||
1959 | 43.00 | 42.00 | 64.00 | 72.00 | 91.00 | 90.00 | 92.00 | 93.00 | 90.00 | 70.00 | e | 49.00 | i | 49.00 | 93.00 | n | ||||||||||
1960 | 40.00 | 42.00 | 62.00 | 84.00 | 87.00 | 88.00 | 100.00 | 98.00 | 98.00 | 81.00 | a | 58.00 | a | ----- | z | ----- | z | |||||||||
1961 | 45.00 | m | 50.00 | 63.00 | 69.00 | c | 87.00 | 99.00 | 95.00 | 96.00 | 94.00 | 80.00 | a | 60.00 | 51.00 | 99.00 | q | |||||||||
1962 | 45.00 | 42.00 | 55.00 | 91.00 | 90.00 | a | 94.00 | 92.00 | 94.00 | a | 86.00 | a | 83.00 | 55.00 | 60.00 | 94.00 | c | |||||||||
1963 | 39.00 | 40.00 | c | 76.00 | 77.00 | 92.00 | 103.00 | a | 96.00 | a | 97.00 | 88.00 | 85.00 | 64.00 | 43.00 | 103.00 | e | |||||||||
1964 | 43.00 | 52.00 | 54.00 | a | 86.00 | 96.00 | a | 97.00 | b | 101.00 | 102.00 | 90.00 | 79.00 | 69.00 | 38.00 | 102.00 | d | |||||||||
1965 | 43.00 | a | 46.00 | 40.00 | 79.00 | h | ----- | z | ----- | z | 98.00 | 95.00 | 84.00 | 81.00 | 68.00 | 44.00 | ----- | z | ||||||||
1966 | 35.00 | 52.00 | 70.00 | 68.00 | 91.00 | 95.00 | 95.00 | 92.00 | 88.00 | 83.00 | 55.00 | 43.00 | 95.00 | |||||||||||||
1967 | 41.00 | 41.00 | 78.00 | 67.00 | 86.00 | 89.00 | 92.00 | 91.00 | 83.00 | 85.00 | 58.00 | 51.00 | 92.00 | |||||||||||||
1968 | 44.00 | 45.00 | 80.00 | 88.00 | 82.00 | 96.00 | 93.00 | 95.00 | 85.00 | ----- | z | 63.00 | 53.00 | a | ----- | z | ||||||||||
1969 | 37.00 | 42.00 | 52.00 | 74.00 | 95.00 | 87.00 | 93.00 | 95.00 | 87.00 | 85.00 | 67.00 | 45.00 | 95.00 | |||||||||||||
1970 | 40.00 | a | 44.00 | 46.00 | 90.00 | 90.00 | 97.00 | 96.00 | 95.00 | 89.00 | 84.00 | 53.00 | 44.00 | 97.00 | a | |||||||||||
1971 | 33.00 | 45.00 | 64.00 | 78.00 | 82.00 | a | 97.00 | 89.00 | a | 96.00 | 92.00 | 80.00 | 58.00 | 38.00 | 97.00 | b | ||||||||||
1972 | 40.00 | 40.00 | 51.00 | 77.00 | 90.00 | 99.00 | 93.00 | 98.00 | 85.00 | 73.00 | 58.00 | 41.00 | 99.00 | |||||||||||||
1973 | 45.00 | 46.00 | 64.00 | 76.00 | 84.00 | 96.00 | 94.00 | c | 95.00 | 84.00 | 77.00 | 62.00 | 42.00 | 96.00 | c | |||||||||||
1974 | 43.00 | b | 44.00 | 50.00 | 81.00 | 79.00 | 89.00 | a | 102.00 | 90.00 | 83.00 | 82.00 | 63.00 | 45.00 | 102.00 | c | ||||||||||
1975 | 37.00 | 37.00 | 47.00 | 61.00 | 91.00 | 92.00 | a | 98.00 | 91.00 | 85.00 | 85.00 | 74.00 | 43.00 | 98.00 | a | |||||||||||
1976 | 42.00 | 55.00 | 65.00 | 82.00 | 87.00 | 94.00 | ----- | z | 98.00 | 90.00 | 85.00 | 60.00 | 43.00 | ----- | z | |||||||||||
1977 | 36.00 | 50.00 | 67.00 | 88.00 | 90.00 | 93.00 | 99.00 | 89.00 | 89.00 | 73.00 | 60.00 | 41.00 | 99.00 | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.00 | o | 74.00 | a | 40.00 | ----- | z | |
1979 | 27.00 | b | 40.00 | c | 46.00 | 77.00 | ----- | z | 91.00 | ----- | z | 91.00 | a | 91.00 | 71.00 | 58.00 | 53.00 | ----- | z | |||||||
1980 | ----- | z | ----- | z | 57.00 | 94.00 | ----- | z | 92.00 | a | ----- | z | ----- | z | ----- | z | 80.00 | 64.00 | 48.00 | ----- | z | |||||
1981 | 54.00 | 60.00 | ----- | z | ----- | z | 81.00 | a | 86.00 | 91.00 | w | 89.00 | b | 88.00 | 65.00 | 66.00 | 36.00 | ----- | z | |||||||
1982 | 39.00 | b | 48.00 | 55.00 | e | 76.00 | 88.00 | a | 89.00 | a | ----- | z | 99.00 | a | 84.00 | a | 76.00 | 59.00 | a | 59.00 | ----- | z | ||||
1983 | 39.00 | d | 48.00 | 60.00 | 74.00 | b | 79.00 | a | 93.00 | a | 96.00 | a | 97.00 | 93.00 | a | 81.00 | 60.00 | b | 32.00 | 97.00 | l | |||||
1984 | 44.00 | b | 50.00 | 49.00 | 81.00 | a | 85.00 | 90.00 | a | 94.00 | 94.00 | a | 91.00 | 74.00 | a | 60.00 | b | 44.00 | b | 94.00 | j | |||||
1985 | 38.00 | a | 45.00 | 66.00 | e | 84.00 | a | 90.00 | a | 101.00 | c | 91.00 | 90.00 | a | 91.00 | 72.00 | b | 55.00 | 40.00 | 101.00 | n | |||||
1986 | 45.00 | a | 39.00 | 83.00 | 74.00 | a | 89.00 | a | 94.00 | b | 95.00 | 91.00 | a | 87.00 | 74.00 | a | 60.00 | b | 38.00 | b | 95.00 | k | ||||
1987 | 48.00 | b | 53.00 | c | 70.00 | a | 89.00 | a | 94.00 | 99.00 | a | 94.00 | a | 93.00 | a | 88.00 | a | 71.00 | a | 64.00 | b | 48.00 | a | 99.00 | o | |
1988 | 43.00 | 55.00 | a | 57.00 | ----- | z | 92.00 | b | ----- | z | 105.00 | a | 104.00 | b | 87.00 | a | 75.00 | b | 56.00 | b | 45.00 | a | ----- | z | ||
1989 | 48.00 | 39.00 | 70.00 | 72.00 | 85.00 | 89.00 | 96.00 | 95.00 | a | 83.00 | 83.00 | 56.00 | 43.00 | 96.00 | a | |||||||||||
1990 | 48.00 | 55.00 | 70.00 | 85.00 | 91.00 | 93.00 | 106.00 | 91.00 | a | 92.00 | 84.00 | 73.00 | 53.00 | 106.00 | a | |||||||||||
1991 | 42.00 | 55.00 | 74.00 | 85.00 | 90.00 | 101.00 | 96.00 | 96.00 | 85.00 | 82.00 | 51.00 | 43.00 | 101.00 | |||||||||||||
1992 | 42.00 | 50.00 | 60.00 | 80.00 | a | 89.00 | 94.00 | 90.00 | 94.00 | 81.00 | a | 88.00 | 52.00 | a | 41.00 | 94.00 | c | |||||||||
1993 | 48.00 | 48.00 | a | 62.00 | 74.00 | 80.00 | b | 91.00 | a | 88.00 | 92.00 | 82.00 | 82.00 | 53.00 | 45.00 | 92.00 | d | |||||||||
1994 | 36.00 | 51.00 | 66.00 | 86.00 | 90.00 | 96.00 | 89.00 | 92.00 | 88.00 | 72.00 | a | 63.00 | 47.00 | 96.00 | a | |||||||||||
1995 | 47.00 | 46.00 | 64.00 | 67.00 | 84.00 | 99.00 | 102.00 | 92.00 | 89.00 | 87.00 | 45.00 | 44.00 | 102.00 | |||||||||||||
1996 | 45.00 | 54.00 | a | 56.00 | 74.00 | a | 83.00 | 95.00 | 91.00 | 94.00 | 88.00 | 82.00 | 58.00 | 38.00 | a | 95.00 | c | |||||||||
1997 | 41.00 | 50.00 | 66.00 | 72.00 | 85.00 | 91.00 | a | 95.00 | a | 94.00 | 87.00 | a | 90.00 | 59.00 | 48.00 | 95.00 | c | |||||||||
1998 | 46.00 | 51.00 | 69.00 | 79.00 | 91.00 | 87.00 | a | 95.00 | 90.00 | 94.00 | 71.00 | 63.00 | 67.00 | 95.00 | a | |||||||||||
1999 | 41.00 | 51.00 | 71.00 | 78.00 | 86.00 | 90.00 | a | 100.00 | 95.00 | a | 90.00 | 77.00 | 78.00 | a | 54.00 | a | 100.00 | d | ||||||||
2000 | 42.00 | 62.00 | 74.00 | 78.00 | 89.00 | 93.00 | 94.00 | 93.00 | 91.00 | 87.00 | 71.00 | 37.00 | 94.00 | |||||||||||||
2001 | 42.00 | 38.00 | 52.00 | 85.00 | 94.00 | 96.00 | 99.00 | 99.00 | 88.00 | 86.00 | 72.00 | 63.00 | 99.00 | |||||||||||||
2002 | 52.00 | 53.00 | 55.00 | 93.00 | a | 93.00 | 93.00 | 97.00 | 92.00 | 92.00 | 85.00 | 66.00 | 49.00 | 97.00 | a | |||||||||||
2003 | 57.00 | 50.00 | 70.00 | 90.00 | 85.00 | 91.00 | b | 96.00 | 99.00 | a | 95.00 | 87.00 | 62.00 | 46.00 | 99.00 | c | ||||||||||
2004 | 39.00 | 50.00 | 68.00 | 91.00 | 87.00 | 95.00 | 97.00 | 88.00 | 90.00 | 80.00 | 65.00 | a | 47.00 | 97.00 | a | |||||||||||
2005 | 44.00 | 51.00 | 70.00 | 81.00 | 78.00 | 94.00 | 96.00 | 94.00 | 89.00 | 83.00 | 68.00 | 46.00 | 96.00 | |||||||||||||
2006 | 49.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.49 | 47.71 | 62.40 | 79.72 | 87.63 | 93.59 | 95.61 | 94.18 | 88.31 | 79.91 | 61.68 | 45.74 | 97.24 | |||||||||||||
S.D. | 5.41 | 5.94 | 9.89 | 7.88 | 4.54 | 4.07 | 4.11 | 3.45 | 3.70 | 5.86 | 6.72 | 7.03 | 3.26 | |||||||||||||
SKEW | 0.06 | 0.13 | -0.16 | -0.13 | -0.37 | 0.23 | 0.48 | 0.59 | 0.20 | -0.55 | 0.22 | 0.95 | 0.67 | |||||||||||||
MAX | 57.00 | 62.00 | 83.00 | 94.00 | 96.00 | 103.00 | 106.00 | 104.00 | 98.00 | 90.00 | 78.00 | 67.00 | 106.00 | |||||||||||||
MIN | 27.00 | 37.00 | 40.00 | 61.00 | 78.00 | 86.00 | 88.00 | 88.00 | 81.00 | 65.00 | 45.00 | 32.00 | 92.00 | |||||||||||||
YRS | 45 | 45 | 45 | 43 | 43 | 44 | 41 | 45 | 45 | 45 | 47 | 47 | 29 |