YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 96.00 | 89.00 | 77.00 | 63.00 | 96.00 | |||||
1914 | 72.00 | 73.00 | 81.00 | 89.00 | 97.00 | 104.00 | 97.00 | 99.00 | 93.00 | c | 82.00 | e | 75.00 | 58.00 | 104.00 | |||||||||||
1915 | 62.00 | 68.00 | 75.00 | 86.00 | 92.00 | 104.00 | 101.00 | 101.00 | 95.00 | 90.00 | 84.00 | 69.00 | a | 104.00 | ||||||||||||
1916 | 71.00 | 78.00 | 86.00 | a | 89.00 | 96.00 | 101.00 | 103.00 | 97.00 | 92.00 | 87.00 | 89.00 | 73.00 | 103.00 | ||||||||||||
1917 | 66.00 | 75.00 | 84.00 | 86.00 | 91.00 | 102.00 | 101.00 | 97.00 | 96.00 | a | 93.00 | 81.00 | a | 75.00 | 102.00 | |||||||||||
1918 | 73.00 | 75.00 | 77.00 | 81.00 | a | 92.00 | a | 99.00 | a | 97.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 99.00 | |||||
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 | 85.00 | 91.00 | 90.00 | 102.00 | 100.00 | 102.00 | 101.00 | 93.00 | 82.00 | 77.00 | i | 102.00 | ||||||||||
1951 | 74.00 | i | 80.00 | 77.00 | 88.00 | 95.00 | f | 104.00 | c | 104.00 | 98.00 | 99.00 | 88.00 | 79.00 | ----- | z | 104.00 | |||||||||
1952 | ----- | z | ----- | z | ----- | z | 83.00 | c | 93.00 | 102.00 | a | 102.00 | 100.00 | b | 100.00 | 91.00 | c | 81.00 | a | 67.00 | a | 102.00 | ||||
1953 | 77.00 | 77.00 | a | 80.00 | f | 89.00 | 98.00 | 106.00 | 105.00 | 99.00 | 98.00 | 92.00 | 81.00 | 72.00 | 106.00 | |||||||||||
1954 | 75.00 | 80.00 | 80.00 | 91.00 | 93.00 | 105.00 | 104.00 | 98.00 | 96.00 | 93.00 | 80.00 | 79.00 | 105.00 | |||||||||||||
1955 | 69.00 | 78.00 | 80.00 | 84.00 | c | 96.00 | 106.00 | 104.00 | 94.00 | 96.00 | 94.00 | 80.00 | 77.00 | 106.00 | ||||||||||||
1956 | 77.00 | 77.00 | 86.00 | 85.00 | f | 100.00 | 104.00 | 103.00 | 100.00 | 102.00 | 95.00 | 80.00 | 72.00 | 104.00 | ||||||||||||
1957 | 73.00 | 87.00 | a | 82.00 | 86.00 | c | 93.00 | a | 104.00 | 108.00 | 97.00 | 95.00 | 88.00 | 72.00 | 72.00 | 108.00 | ||||||||||
1958 | 72.00 | 79.00 | 74.00 | 88.00 | 103.00 | c | 102.00 | 107.00 | 96.00 | 94.00 | 87.00 | 79.00 | 78.00 | 107.00 | ||||||||||||
1959 | 76.00 | 76.00 | 78.00 | 91.00 | e | 97.00 | 104.00 | 100.00 | 95.00 | 96.00 | b | 98.00 | 75.00 | 72.00 | 104.00 | |||||||||||
1960 | ----- | z | 74.00 | 87.00 | e | 90.00 | 99.00 | 109.00 | 105.00 | 99.00 | 97.00 | 90.00 | 82.00 | 75.00 | 109.00 | |||||||||||
1961 | 67.00 | a | 80.00 | 82.00 | e | 90.00 | 95.00 | 103.00 | 102.00 | 100.00 | 92.00 | 88.00 | 75.00 | 72.00 | 103.00 | |||||||||||
1962 | 70.00 | 79.00 | 83.00 | e | 93.00 | 95.00 | 101.00 | 100.00 | 103.00 | 98.00 | a | 90.00 | 84.00 | 70.00 | 103.00 | |||||||||||
1963 | 75.00 | 81.00 | 86.00 | d | 91.00 | 95.00 | 103.00 | 103.00 | 94.00 | 94.00 | 91.00 | 80.00 | 69.00 | 103.00 | ||||||||||||
1964 | 76.00 | 71.00 | 82.00 | 88.00 | 95.00 | 100.00 | e | 103.00 | 98.00 | 96.00 | 89.00 | 78.00 | 75.00 | 103.00 | ||||||||||||
1965 | 71.00 | 75.00 | 81.00 | 94.00 | 95.00 | 103.00 | 102.00 | 100.00 | 94.00 | 93.00 | 79.00 | 74.00 | 103.00 | |||||||||||||
1966 | 69.00 | 71.00 | 82.00 | 86.00 | 95.00 | a | 102.00 | 100.00 | 99.00 | 91.00 | 87.00 | 82.00 | 77.00 | 102.00 | ||||||||||||
1967 | 77.00 | 80.00 | 85.00 | 85.00 | 93.00 | 99.00 | 102.00 | 97.00 | 92.00 | 89.00 | 81.00 | 67.00 | 102.00 | |||||||||||||
1968 | 69.00 | 79.00 | 80.00 | 83.00 | 96.00 | 103.00 | 99.00 | 92.00 | 97.00 | 95.00 | 79.00 | 73.00 | 103.00 | |||||||||||||
1969 | 77.00 | a | 73.00 | 87.00 | 90.00 | 99.00 | 105.00 | 104.00 | 100.00 | 94.00 | 90.00 | a | 76.00 | 74.00 | 105.00 | |||||||||||
1970 | 79.00 | 77.00 | 76.00 | 84.00 | 97.00 | 104.00 | 102.00 | 96.00 | 98.00 | 84.00 | 83.00 | 77.00 | 104.00 | |||||||||||||
1971 | 82.00 | 77.00 | 87.00 | 88.00 | 90.00 | 100.00 | 102.00 | 94.00 | 96.00 | 83.00 | 80.00 | 75.00 | 102.00 | |||||||||||||
1972 | 77.00 | 81.00 | 87.00 | 89.00 | 91.00 | 100.00 | 100.00 | 101.00 | 91.00 | 93.00 | 76.00 | 73.00 | 101.00 | |||||||||||||
1973 | 70.00 | 76.00 | 75.00 | 85.00 | 93.00 | 105.00 | 105.00 | 98.00 | 98.00 | 91.00 | 85.00 | 79.00 | 105.00 | |||||||||||||
1974 | 76.00 | 78.00 | 84.00 | 91.00 | 99.00 | 106.00 | 99.00 | 98.00 | 98.00 | 88.00 | 79.00 | 70.00 | 106.00 | |||||||||||||
1975 | 79.00 | 77.00 | 80.00 | 85.00 | 92.00 | 101.00 | 99.00 | 100.00 | 95.00 | 88.00 | 83.00 | 73.00 | 101.00 | |||||||||||||
1976 | 73.00 | 83.00 | 81.00 | 85.00 | 93.00 | 103.00 | 100.00 | 97.00 | 93.00 | 86.00 | 78.00 | 65.00 | h | 103.00 | ||||||||||||
1977 | 66.00 | 80.00 | 78.00 | 88.00 | 101.00 | a | 102.00 | 100.00 | 99.00 | 94.00 | 91.00 | 84.00 | 78.00 | 102.00 | ||||||||||||
1978 | 74.00 | 73.00 | 82.00 | 87.00 | 96.00 | 105.00 | 105.00 | 98.00 | 98.00 | 95.00 | 80.00 | 72.00 | 105.00 | |||||||||||||
1979 | 68.00 | 79.00 | 79.00 | 87.00 | 94.00 | 105.00 | 107.00 | e | 99.00 | 101.00 | 96.00 | 79.00 | 75.00 | 107.00 | ||||||||||||
1980 | 75.00 | 78.00 | 77.00 | 89.00 | 93.00 | 105.00 | 105.00 | 100.00 | 98.00 | ----- | z | ----- | z | ----- | z | 105.00 | ||||||||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1988 | ----- | z | ----- | z | ----- | z | 88.00 | 96.00 | 103.00 | 99.00 | 94.00 | 95.00 | 89.00 | 83.00 | 71.00 | 103.00 | ||||||||||
1989 | 68.00 | 83.00 | 90.00 | 97.00 | 99.00 | 107.00 | 106.00 | 97.00 | 96.00 | 90.00 | 80.00 | 71.00 | 107.00 | |||||||||||||
1990 | 72.00 | 79.00 | 86.00 | 89.00 | 96.00 | 109.00 | 99.00 | 96.00 | 98.00 | 87.00 | 80.00 | 70.00 | 109.00 | |||||||||||||
1991 | 67.00 | 75.00 | 80.00 | 85.00 | 93.00 | 103.00 | 102.00 | 95.00 | 93.00 | 91.00 | 82.00 | 68.00 | 103.00 | |||||||||||||
1992 | 66.00 | 72.00 | 77.00 | 91.00 | 91.00 | 100.00 | 104.00 | 97.00 | 95.00 | 91.00 | 78.00 | 73.00 | 104.00 | |||||||||||||
1993 | 68.00 | 69.00 | 84.00 | 90.00 | 97.00 | 105.00 | 103.00 | 100.00 | 96.00 | 93.00 | 77.00 | 76.00 | 105.00 | |||||||||||||
1994 | 73.00 | 77.00 | 82.00 | 90.00 | 100.00 | 108.00 | 103.00 | 101.00 | 95.00 | 87.00 | 82.00 | ----- | z | 108.00 | ||||||||||||
1995 | 72.00 | 74.00 | 79.00 | 86.00 | 92.00 | 102.00 | 107.00 | 103.00 | 97.00 | 91.00 | 80.00 | 77.00 | 107.00 | |||||||||||||
1996 | 78.00 | 77.00 | 82.00 | 94.00 | 103.00 | 103.00 | 99.00 | 101.00 | 94.00 | 95.00 | 83.00 | 76.00 | 103.00 | |||||||||||||
1997 | 72.00 | 74.00 | 85.00 | 85.00 | 99.00 | 101.00 | 106.00 | 98.00 | 98.00 | 95.00 | 82.00 | 67.00 | 106.00 | |||||||||||||
1998 | 73.00 | 73.00 | 83.00 | 86.00 | 93.00 | 102.00 | 103.00 | 97.00 | 98.00 | 94.00 | 78.00 | 73.00 | 103.00 | |||||||||||||
1999 | 78.00 | 79.00 | 81.00 | 87.00 | 94.00 | 100.00 | 101.00 | 95.00 | 94.00 | 92.00 | 84.00 | 76.00 | 101.00 | |||||||||||||
2000 | 78.00 | 77.00 | 79.00 | 94.00 | 102.00 | 99.00 | 100.00 | 99.00 | 96.00 | 92.00 | 70.00 | 69.00 | 102.00 | |||||||||||||
2001 | 68.00 | 75.00 | 82.00 | 87.00 | 96.00 | 100.00 | 101.00 | 98.00 | 95.00 | 88.00 | 83.00 | 71.00 | 101.00 | |||||||||||||
2002 | 72.00 | 79.00 | 83.00 | 88.00 | 103.00 | 102.00 | 100.00 | 100.00 | 95.00 | 87.00 | 77.00 | 69.00 | 103.00 | |||||||||||||
2003 | 74.00 | 78.00 | 82.00 | 83.00 | 97.00 | 100.00 | 105.00 | d | 101.00 | 95.00 | 93.00 | 79.00 | 73.00 | 105.00 | ||||||||||||
2004 | 68.00 | 77.00 | 85.00 | 83.00 | 93.00 | 100.00 | 97.00 | 97.00 | 96.00 | 90.00 | 73.00 | 72.00 | 100.00 | |||||||||||||
2005 | 71.00 | 68.00 | 78.00 | 86.00 | 102.00 | ----- | z | 103.00 | i | 96.00 | 97.00 | 91.00 | ----- | z | 73.00 | f | 103.00 | |||||||||
2006 | 75.00 | 79.00 | 80.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.00 | 80.00 | |||||
2007 | 65.00 | 74.00 | e | 87.00 | 85.00 | 94.00 | 100.00 | e | 102.00 | d | 95.00 | 95.00 | h | 90.00 | 82.00 | 74.00 | g | 102.00 | ||||||||
2008 | 68.00 | 79.00 | c | ----- | z | 86.00 | 95.00 | e | 101.00 | 98.00 | c | 97.00 | o | 93.00 | 87.00 | 82.00 | b | 73.00 | 101.00 | |||||||
2009 | 71.00 | 84.00 | 83.00 | 88.00 | 95.00 | 98.00 | g | 102.00 | l | 102.00 | 94.00 | 89.00 | ----- | z | ----- | z | 102.00 | |||||||||
2010 | 65.00 | j | 67.00 | 82.00 | 82.00 | 95.00 | 101.00 | 101.00 | i | 98.00 | 95.00 | m | 93.00 | 79.00 | 76.00 | 101.00 | ||||||||||
2011 | 72.00 | 75.00 | 83.00 | 89.00 | 93.00 | 105.00 | 101.00 | a | 101.00 | a | 99.00 | a | 90.00 | 81.00 | 70.00 | 105.00 | ||||||||||
2012 | 70.00 | 73.00 | 84.00 | b | 94.00 | 98.00 | 102.00 | 99.00 | 100.00 | b | 91.00 | j | 89.00 | 82.00 | 75.00 | 102.00 | ||||||||||
2013 | 71.00 | 69.00 | 85.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 72.20 | 76.46 | 81.86 | 87.85 | 95.64 | 102.86 | 102.02 | 98.21 | 95.84 | 90.36 | 79.91 | 72.49 | 103.92 | |||||||||||||
S.D. | 4.21 | 4.05 | 3.55 | 3.34 | 3.37 | 2.45 | 2.74 | 2.45 | 2.46 | 3.22 | 3.35 | 3.96 | 2.18 | |||||||||||||
SKEW | -0.01 | -0.22 | -0.15 | 0.37 | 0.54 | 0.53 | 0.19 | -0.24 | 0.25 | -0.15 | -0.48 | -1.00 | 0.40 | |||||||||||||
MAX | 82.00 | 87.00 | 90.00 | 97.00 | 103.00 | 109.00 | 108.00 | 103.00 | 102.00 | 98.00 | 89.00 | 79.00 | 109.00 | |||||||||||||
MIN | 62.00 | 67.00 | 74.00 | 81.00 | 90.00 | 99.00 | 97.00 | 92.00 | 91.00 | 82.00 | 70.00 | 58.00 | 100.00 | |||||||||||||
NO YRS | 56 | 59 | 58 | 59 | 59 | 58 | 57 | 58 | 57 | 59 | 57 | 53 | 39 |