YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | 102.00 | 103.00 | 93.00 | 88.00 | m | 80.00 | g | 80.00 | 103.00 | ||||||
1963 | 71.00 | b | ----- | z | 98.00 | 95.00 | 98.00 | 96.00 | 101.00 | 100.00 | 98.00 | 92.00 | 85.00 | 70.00 | 101.00 | |||||||||||
1964 | 74.00 | 66.00 | 81.00 | 92.00 | 98.00 | g | 102.00 | e | 103.00 | 107.00 | 96.00 | 95.00 | 84.00 | 84.00 | 107.00 | |||||||||||
1965 | 78.00 | 81.00 | 80.00 | 100.00 | 93.00 | 95.00 | 102.00 | 99.00 | 100.00 | c | 94.00 | 87.00 | 80.00 | 102.00 | ||||||||||||
1966 | 72.00 | 70.00 | 86.00 | 90.00 | 100.00 | 100.00 | 101.00 | 104.00 | 94.00 | 92.00 | 82.00 | 80.00 | 104.00 | |||||||||||||
1967 | 82.00 | 80.00 | 94.00 | 91.00 | 100.00 | 99.00 | 97.00 | 100.00 | 96.00 | 91.00 | 82.00 | 70.00 | 100.00 | |||||||||||||
1968 | 72.00 | 76.00 | 82.00 | 87.00 | 97.00 | 102.00 | 98.00 | 98.00 | 95.00 | 94.00 | 85.00 | 74.00 | 102.00 | |||||||||||||
1969 | 84.00 | 78.00 | 78.00 | 89.00 | 93.00 | 106.00 | 102.00 | 103.00 | 92.00 | 93.00 | 83.00 | 81.00 | 106.00 | |||||||||||||
1970 | 84.00 | a | 84.00 | 82.00 | g | 89.00 | 95.00 | 103.00 | 107.00 | 106.00 | 101.00 | 91.00 | 84.00 | 80.00 | 107.00 | |||||||||||
1971 | 80.00 | 77.00 | 99.00 | 93.00 | 102.00 | 101.00 | a | 105.00 | b | 96.00 | 98.00 | 88.00 | 84.00 | 82.00 | 105.00 | |||||||||||
1972 | 84.00 | 87.00 | 89.00 | 101.00 | 95.00 | 109.00 | 100.00 | 100.00 | 94.00 | 94.00 | 74.00 | 75.00 | 109.00 | |||||||||||||
1973 | 70.00 | 80.00 | 77.00 | 87.00 | 100.00 | 104.00 | 100.00 | a | 104.00 | 92.00 | 95.00 | b | 88.00 | 79.00 | 104.00 | |||||||||||
1974 | 83.00 | 82.00 | 94.00 | 96.00 | 104.00 | 105.00 | 105.00 | 99.00 | 96.00 | 83.00 | 82.00 | 72.00 | 105.00 | |||||||||||||
1975 | 79.00 | 79.00 | 88.00 | 95.00 | 94.00 | b | 105.00 | b | 96.00 | b | 96.00 | 93.00 | 90.00 | 84.00 | 81.00 | a | 105.00 | |||||||||
1976 | 75.00 | 86.00 | 88.00 | 90.00 | 101.00 | 101.00 | e | 96.00 | 101.00 | 94.00 | 87.00 | 77.00 | b | 78.00 | b | 101.00 | ||||||||||
1977 | 67.00 | 83.00 | 85.00 | 85.00 | 99.00 | 104.00 | 100.00 | 105.00 | 103.00 | 103.00 | j | 83.00 | 78.00 | 105.00 | ||||||||||||
1978 | 73.00 | 74.00 | 88.00 | 95.00 | 103.00 | 103.00 | 106.00 | 104.00 | 100.00 | 91.00 | 79.00 | 74.00 | 106.00 | |||||||||||||
1979 | 67.00 | a | 89.00 | 83.00 | 92.00 | 97.00 | 97.00 | o | 100.00 | 95.00 | 98.00 | 100.00 | 79.00 | 75.00 | 100.00 | |||||||||||
1980 | 82.00 | 86.00 | 82.00 | 91.00 | 96.00 | 109.00 | e | 108.00 | 103.00 | b | 96.00 | h | 88.00 | 89.00 | 82.00 | 109.00 | ||||||||||
1981 | 79.00 | 84.00 | 85.00 | 92.00 | 96.00 | 105.00 | d | 102.00 | a | 100.00 | c | 96.00 | c | 91.00 | 86.00 | 81.00 | 105.00 | |||||||||
1982 | 78.00 | 87.00 | 86.00 | 95.00 | 95.00 | 100.00 | 99.00 | 102.00 | o | 98.00 | 91.00 | 85.00 | 74.00 | 102.00 | ||||||||||||
1983 | 69.00 | 70.00 | 84.00 | 89.00 | 95.00 | 102.00 | 105.00 | 103.00 | 104.00 | 93.00 | 78.00 | 72.00 | 105.00 | |||||||||||||
1984 | 73.00 | 78.00 | 85.00 | 92.00 | 100.00 | 103.00 | 100.00 | 102.00 | 101.00 | 83.00 | 82.00 | 71.00 | 103.00 | |||||||||||||
1985 | 72.00 | 75.00 | 83.00 | 90.00 | 103.00 | 100.00 | 101.00 | 102.00 | 100.00 | 91.00 | a | 80.00 | 75.00 | 103.00 | ||||||||||||
1986 | 78.00 | 89.00 | 87.00 | 94.00 | 101.00 | 99.00 | 101.00 | 101.00 | 89.00 | 85.00 | 79.00 | 70.00 | 101.00 | |||||||||||||
1987 | 77.00 | 80.00 | 80.00 | 96.00 | 93.00 | a | 96.00 | 100.00 | 101.00 | k | 94.00 | 91.00 | 84.00 | 77.00 | 101.00 | |||||||||||
1988 | 70.00 | 82.00 | 90.00 | 88.00 | 96.00 | 105.00 | 98.00 | 99.00 | 95.00 | k | 93.00 | 85.00 | 71.00 | 105.00 | ||||||||||||
1989 | 75.00 | 77.00 | 97.00 | 100.00 | 107.00 | 101.00 | 108.00 | m | 100.00 | 98.00 | 97.00 | 84.00 | 79.00 | 108.00 | ||||||||||||
1990 | 76.00 | 82.00 | 84.00 | 92.00 | 104.00 | 109.00 | 99.00 | 98.00 | 98.00 | 87.00 | 87.00 | 79.00 | 109.00 | |||||||||||||
1991 | 69.00 | 77.00 | 89.00 | 92.00 | 101.00 | 98.00 | 99.00 | 98.00 | ----- | z | 72.00 | x | 75.00 | 75.00 | 101.00 | |||||||||||
1992 | 64.00 | 76.00 | 81.00 | 97.00 | 99.00 | 97.00 | r | 103.00 | 95.00 | n | 96.00 | 93.00 | 85.00 | 74.00 | 103.00 | |||||||||||
1993 | 72.00 | k | 76.00 | 87.00 | 91.00 | 93.00 | 100.00 | 102.00 | 101.00 | 94.00 | 91.00 | 82.00 | 77.00 | 102.00 | ||||||||||||
1994 | 80.00 | 73.00 | 90.00 | 92.00 | 96.00 | 115.00 | s | 107.00 | 105.00 | 96.00 | 93.00 | 85.00 | 77.00 | 115.00 | ||||||||||||
1995 | 79.00 | 81.00 | 94.00 | 92.00 | 100.00 | 100.00 | 106.00 | 98.00 | 103.00 | 92.00 | j | 85.00 | 81.00 | 106.00 | ||||||||||||
1996 | 77.00 | 89.00 | 84.00 | 98.00 | 105.00 | 108.00 | 101.00 | 101.00 | 92.00 | 91.00 | 90.00 | 78.00 | 108.00 | |||||||||||||
1997 | 81.00 | 81.00 | 93.00 | 88.00 | 95.00 | 98.00 | 99.00 | 101.00 | 102.00 | 94.00 | 85.00 | 72.00 | 102.00 | |||||||||||||
1998 | 74.00 | 80.00 | 90.00 | 97.00 | 103.00 | 108.00 | 106.00 | 101.00 | 101.00 | 95.00 | a | 80.00 | 75.00 | 108.00 | ||||||||||||
1999 | 79.00 | 85.00 | 87.00 | 95.00 | 98.00 | 100.00 | 104.00 | 103.00 | 99.00 | 93.00 | a | ----- | z | 73.00 | 104.00 | |||||||||||
2000 | 81.00 | 83.00 | ----- | z | 94.00 | 110.00 | 99.00 | 104.00 | 100.00 | 104.00 | 102.00 | 76.00 | 69.00 | 110.00 | ||||||||||||
2001 | 68.00 | 82.00 | 82.00 | 92.00 | 99.00 | 106.00 | 105.00 | 98.00 | 98.00 | 91.00 | 86.00 | 72.00 | 106.00 | |||||||||||||
2002 | 80.00 | 83.00 | 91.00 | 93.00 | 98.00 | 97.00 | 101.00 | 100.00 | 96.00 | 87.00 | 82.00 | 75.00 | 101.00 | |||||||||||||
2003 | 77.00 | 82.00 | 85.00 | 93.00 | 102.00 | 100.00 | 102.00 | 105.00 | 94.00 | 97.00 | 85.00 | 79.00 | 105.00 | |||||||||||||
2004 | 78.00 | 77.00 | 85.00 | 87.00 | 100.00 | 100.00 | 100.00 | 98.00 | 95.00 | 87.00 | 77.00 | 74.00 | 100.00 | |||||||||||||
2005 | 75.00 | 80.00 | 85.00 | 90.00 | 100.00 | 100.00 | 103.00 | 95.00 | 102.00 | 95.00 | 89.00 | 82.00 | 103.00 | |||||||||||||
2006 | 84.00 | 80.00 | 89.00 | 96.00 | 101.00 | 101.00 | 102.00 | 100.00 | 93.00 | 91.00 | 91.00 | 77.00 | 102.00 | |||||||||||||
2007 | 70.00 | 78.00 | 84.00 | 86.00 | 89.00 | 98.00 | 94.00 | 96.00 | 94.00 | 93.00 | 87.00 | 80.00 | 98.00 | |||||||||||||
2008 | 76.00 | 82.00 | 90.00 | 93.00 | 101.00 | 107.00 | 102.00 | 101.00 | 92.00 | 87.00 | 81.00 | 82.00 | 107.00 | |||||||||||||
2009 | 82.00 | 87.00 | 92.00 | 98.00 | 103.00 | 106.00 | 107.00 | 104.00 | 98.00 | 95.00 | 84.00 | 72.00 | 107.00 | |||||||||||||
2010 | 80.00 | 70.00 | 92.00 | 94.00 | 101.00 | 105.00 | 98.00 | 104.00 | 99.00 | 93.00 | 87.00 | 83.00 | 105.00 | |||||||||||||
2011 | 78.00 | 86.00 | a | 91.00 | 96.00 | 106.00 | 114.00 | 106.00 | b | 107.00 | 103.00 | 96.00 | 83.00 | 71.00 | 114.00 | |||||||||||
2012 | 81.00 | 79.00 | 92.00 | 105.00 | 104.00 | 109.00 | 104.00 | 109.00 | 104.00 | 94.00 | i | ----- | z | ----- | z | 109.00 | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 76.27 | 80.18 | 87.21 | 92.90 | 99.20 | 102.42 | 101.78 | 101.10 | 97.21 | 91.83 | 83.25 | 76.44 | 104.48 | |||||||||||||
S.D. | 5.18 | 5.23 | 5.10 | 4.10 | 4.21 | 4.15 | 3.20 | 3.25 | 3.81 | 3.89 | 3.86 | 4.11 | 3.36 | |||||||||||||
SKEW | -0.40 | -0.48 | 0.27 | 0.48 | 0.05 | 0.49 | -0.07 | 0.17 | 0.15 | -0.08 | -0.43 | -0.05 | 0.54 | |||||||||||||
MAX | 84.00 | 89.00 | 99.00 | 105.00 | 110.00 | 114.00 | 108.00 | 109.00 | 104.00 | 102.00 | 91.00 | 84.00 | 114.00 | |||||||||||||
MIN | 64.00 | 66.00 | 77.00 | 85.00 | 89.00 | 95.00 | 94.00 | 95.00 | 89.00 | 83.00 | 74.00 | 69.00 | 98.00 | |||||||||||||
NO YRS | 49 | 49 | 48 | 50 | 49 | 48 | 50 | 48 | 48 | 46 | 48 | 50 | 29 |