YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 94.00 | a | 98.00 | 91.00 | 84.00 | 76.00 | 75.00 | 98.00 | ||||||
1909 | 77.00 | 68.00 | 77.00 | 87.00 | 91.00 | a | 98.00 | 104.00 | 99.00 | 92.00 | 88.00 | 81.00 | 70.00 | 104.00 | ||||||||||||
1910 | 77.00 | 72.00 | 85.00 | 91.00 | 94.00 | 104.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 104.00 | |||||||
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 | 102.00 | ----- | z | ----- | z | ----- | z | 75.00 | 102.00 | |||
1927 | ----- | z | ----- | z | ----- | z | 92.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.00 | ||
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 | 70.00 | z | ----- | z | ----- | z | 70.00 | |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1948 | 67.00 | e | 65.00 | 78.00 | 84.00 | a | 91.00 | 101.00 | 99.00 | 98.00 | 101.00 | 86.00 | 75.00 | 69.00 | a | 101.00 | ||||||||||
1949 | 57.00 | a | 72.00 | 79.00 | 85.00 | 92.00 | 99.00 | 99.00 | a | 95.00 | b | 93.00 | a | 85.00 | a | 82.00 | a | 69.00 | 99.00 | |||||||
1950 | 79.00 | 77.00 | 80.00 | a | 91.00 | 92.00 | a | 102.00 | 96.00 | 95.00 | 90.00 | 87.00 | 83.00 | b | 74.00 | 102.00 | ||||||||||
1951 | 67.00 | 79.00 | 78.00 | 88.00 | 99.00 | 105.00 | 104.00 | 102.00 | 101.00 | b | 90.00 | 74.00 | a | 70.00 | 105.00 | |||||||||||
1952 | 74.00 | 70.00 | 76.00 | 85.00 | 95.00 | 102.00 | 98.00 | 101.00 | 96.00 | 89.00 | 80.00 | 65.00 | 102.00 | |||||||||||||
1953 | 74.00 | 75.00 | 81.00 | 88.00 | a | 100.00 | 106.00 | 103.00 | 101.00 | 99.00 | 90.00 | 74.00 | 72.00 | d | 106.00 | |||||||||||
1954 | 72.00 | b | 76.00 | 79.00 | 90.00 | ----- | z | 99.00 | h | 104.00 | 99.00 | 95.00 | d | 91.00 | e | ----- | z | ----- | z | 104.00 | ||||||
1955 | ----- | z | ----- | z | 80.00 | h | 86.00 | 92.00 | 99.00 | 99.00 | 96.00 | 95.00 | 85.00 | e | 78.00 | 73.00 | d | 99.00 | ||||||||
1956 | 74.00 | d | 78.00 | 83.00 | b | 90.00 | a | 97.00 | 100.00 | b | 100.00 | a | 100.00 | b | 100.00 | d | 90.00 | 70.00 | l | 69.00 | 100.00 | |||||
1957 | ----- | z | ----- | z | 75.00 | e | 85.00 | a | 88.00 | a | 112.00 | f | 106.00 | 102.00 | 95.00 | 87.00 | 69.00 | 67.00 | 112.00 | |||||||
1958 | 68.00 | 74.00 | 73.00 | 85.00 | 98.00 | 101.00 | 107.00 | 101.00 | 97.00 | 86.00 | 79.00 | 77.00 | 107.00 | |||||||||||||
1959 | 69.00 | 73.00 | 77.00 | 91.00 | 95.00 | 100.00 | 97.00 | 100.00 | 99.00 | 91.00 | 74.00 | 67.00 | 100.00 | |||||||||||||
1960 | 62.00 | 68.00 | 81.00 | 89.00 | 95.00 | 102.00 | 99.00 | 96.00 | 96.00 | 87.00 | 77.00 | 60.00 | 102.00 | |||||||||||||
1961 | 66.00 | 77.00 | 79.00 | 87.00 | 95.00 | 98.00 | 98.00 | 99.00 | 94.00 | 89.00 | 75.00 | 72.00 | 99.00 | |||||||||||||
1962 | 68.00 | 80.00 | 81.00 | 90.00 | 96.00 | 98.00 | 98.00 | 101.00 | 95.00 | 88.00 | 78.00 | 72.00 | 101.00 | |||||||||||||
1963 | 73.00 | 77.00 | 88.00 | 88.00 | 94.00 | 96.00 | 103.00 | 96.00 | 94.00 | 89.00 | 78.00 | 70.00 | 103.00 | |||||||||||||
1964 | 69.00 | 61.00 | 79.00 | 87.00 | 96.00 | 98.00 | 105.00 | 101.00 | 96.00 | 88.00 | 77.00 | 70.00 | 105.00 | |||||||||||||
1965 | 70.00 | 72.00 | 76.00 | 95.00 | 92.00 | 96.00 | 100.00 | 95.00 | 93.00 | 91.00 | 76.00 | 71.00 | 100.00 | |||||||||||||
1966 | 64.00 | 67.00 | 84.00 | 85.00 | 96.00 | 96.00 | 100.00 | 98.00 | 90.00 | 84.00 | 79.00 | 73.00 | 100.00 | |||||||||||||
1967 | 74.00 | 75.00 | 85.00 | 88.00 | 94.00 | 97.00 | 97.00 | 96.00 | 93.00 | 89.00 | 81.00 | 66.00 | 97.00 | |||||||||||||
1968 | 68.00 | 73.00 | 80.00 | 82.00 | 96.00 | 105.00 | 98.00 | 96.00 | 91.00 | 89.00 | 75.00 | 68.00 | 105.00 | |||||||||||||
1969 | 74.00 | 68.00 | 74.00 | 83.00 | 94.00 | 100.00 | 100.00 | 102.00 | 89.00 | 85.00 | 72.00 | 70.00 | 102.00 | |||||||||||||
1970 | 76.00 | 78.00 | 77.00 | 81.00 | 94.00 | 101.00 | 97.00 | 99.00 | 97.00 | 87.00 | 78.00 | 75.00 | 101.00 | |||||||||||||
1971 | 76.00 | 70.00 | 86.00 | 88.00 | 92.00 | 95.00 | 100.00 | 91.00 | 92.00 | 82.00 | 77.00 | 71.00 | 100.00 | |||||||||||||
1972 | 75.00 | 79.00 | 83.00 | 91.00 | 91.00 | 96.00 | 97.00 | 91.00 | 87.00 | 86.00 | 69.00 | 69.00 | 97.00 | |||||||||||||
1973 | 64.00 | 70.00 | 73.00 | 80.00 | 90.00 | 100.00 | 100.00 | 97.00 | 91.00 | 89.00 | 81.00 | 71.00 | 100.00 | |||||||||||||
1974 | 78.00 | 74.00 | 84.00 | 87.00 | 96.00 | 101.00 | 102.00 | 97.00 | 96.00 | 83.00 | 72.00 | 66.00 | 102.00 | |||||||||||||
1975 | 76.00 | 72.00 | 78.00 | 84.00 | 87.00 | 98.00 | 92.00 | 96.00 | 92.00 | 87.00 | 81.00 | 73.00 | 98.00 | |||||||||||||
1976 | 68.00 | 76.00 | 80.00 | 85.00 | 92.00 | 102.00 | 94.00 | 94.00 | 90.00 | 83.00 | 76.00 | 69.00 | 102.00 | |||||||||||||
1977 | 59.00 | 74.00 | 75.00 | 84.00 | 95.00 | 104.00 | 100.00 | 97.00 | 95.00 | 81.00 | 78.00 | 75.00 | 104.00 | |||||||||||||
1978 | 63.00 | 67.00 | 84.00 | 88.00 | 94.00 | 104.00 | 103.00 | 96.00 | 94.00 | 87.00 | 78.00 | 68.00 | 104.00 | |||||||||||||
1979 | 64.00 | 80.00 | 77.00 | 85.00 | 90.00 | 97.00 | 100.00 | 95.00 | 97.00 | 95.00 | 70.00 | 70.00 | 100.00 | |||||||||||||
1980 | 70.00 | 78.00 | 74.00 | 85.00 | 93.00 | 105.00 | 101.00 | 101.00 | 90.00 | 84.00 | 85.00 | 75.00 | 105.00 | |||||||||||||
1981 | 68.00 | 77.00 | 78.00 | 89.00 | 92.00 | 107.00 | 101.00 | 93.00 | 90.00 | 81.00 | 80.00 | 73.00 | 107.00 | |||||||||||||
1982 | 66.00 | 79.00 | 83.00 | 86.00 | 90.00 | 96.00 | 98.00 | 98.00 | 96.00 | 85.00 | 73.00 | 68.00 | 98.00 | |||||||||||||
1983 | 68.00 | 69.00 | 80.00 | 83.00 | 88.00 | 99.00 | 101.00 | 98.00 | 100.00 | 85.00 | 74.00 | 69.00 | 101.00 | |||||||||||||
1984 | 64.00 | 71.00 | 77.00 | 86.00 | 95.00 | 93.00 | 93.00 | 95.00 | 95.00 | 82.00 | 76.00 | 71.00 | 95.00 | |||||||||||||
1985 | 66.00 | 70.00 | 78.00 | 84.00 | 91.00 | 98.00 | 96.00 | 99.00 | 92.00 | 85.00 | 74.00 | 66.00 | 99.00 | |||||||||||||
1986 | 75.00 | 78.00 | 83.00 | 87.00 | 94.00 | 97.00 | 101.00 | 102.00 | 92.00 | 87.00 | 72.00 | 62.00 | 102.00 | |||||||||||||
1987 | 67.00 | 73.00 | 75.00 | 89.00 | 86.00 | 98.00 | 98.00 | 99.00 | 88.00 | 88.00 | 75.00 | 75.00 | 99.00 | |||||||||||||
1988 | 69.00 | 75.00 | 82.00 | 85.00 | 95.00 | 96.00 | 95.00 | 94.00 | 91.00 | 90.00 | 81.00 | 66.00 | 96.00 | |||||||||||||
1989 | 70.00 | 81.00 | 90.00 | a | 96.00 | 100.00 | 100.00 | 101.00 | 101.00 | 91.00 | 92.00 | 79.00 | 71.00 | 101.00 | ||||||||||||
1990 | 73.00 | 74.00 | 79.00 | 87.00 | 94.00 | 108.00 | 96.00 | 95.00 | 92.00 | 84.00 | 78.00 | 72.00 | 108.00 | |||||||||||||
1991 | 63.00 | 72.00 | 80.00 | 85.00 | 96.00 | 99.00 | 95.00 | 92.00 | 91.00 | 90.00 | 76.00 | 66.00 | 99.00 | |||||||||||||
1992 | 66.00 | 72.00 | 78.00 | 89.00 | 91.00 | 96.00 | 103.00 | 98.00 | 93.00 | 89.00 | 74.00 | 69.00 | 103.00 | |||||||||||||
1993 | 68.00 | 71.00 | 82.00 | 89.00 | 91.00 | 102.00 | 104.00 | 94.00 | 94.00 | 91.00 | 73.00 | 72.00 | 104.00 | |||||||||||||
1994 | 73.00 | 73.00 | 81.00 | 89.00 | 93.00 | 108.00 | 104.00 | 105.00 | 96.00 | 88.00 | 81.00 | 70.00 | 108.00 | |||||||||||||
1995 | 69.00 | 77.00 | 86.00 | 87.00 | 94.00 | 100.00 | 107.00 | 98.00 | 101.00 | 86.00 | 80.00 | 77.00 | 107.00 | |||||||||||||
1996 | 71.00 | 78.00 | 79.00 | 93.00 | 100.00 | 103.00 | 99.00 | 98.00 | 88.00 | 89.00 | 82.00 | 75.00 | 103.00 | |||||||||||||
1997 | 74.00 | 74.00 | 86.00 | 84.00 | 89.00 | 101.00 | 101.00 | 97.00 | 97.00 | 89.00 | 79.00 | 69.00 | 101.00 | |||||||||||||
1998 | 69.00 | 76.00 | 85.00 | 87.00 | 98.00 | 107.00 | 102.00 | 97.00 | 97.00 | 88.00 | 79.00 | 73.00 | 107.00 | |||||||||||||
1999 | 73.00 | 77.00 | 79.00 | 85.00 | 89.00 | 101.00 | 99.00 | 98.00 | 95.00 | 90.00 | 82.00 | 70.00 | 101.00 | |||||||||||||
2000 | 78.00 | 77.00 | 78.00 | 91.00 | 103.00 | 100.00 | 103.00 | 100.00 | 100.00 | 96.00 | 70.00 | 66.00 | 103.00 | |||||||||||||
2001 | 62.00 | 73.00 | 81.00 | 86.00 | 92.00 | 101.00 | 101.00 | 98.00 | 97.00 | 88.00 | 80.00 | 69.00 | 101.00 | |||||||||||||
2002 | 73.00 | 78.00 | 83.00 | 92.00 | 98.00 | 103.00 | 100.00 | 102.00 | 93.00 | 86.00 | 75.00 | 67.00 | 103.00 | |||||||||||||
2003 | 72.00 | 74.00 | 79.00 | 87.00 | 100.00 | 97.00 | 104.00 | 103.00 | 92.00 | 88.00 | 80.00 | 74.00 | 104.00 | |||||||||||||
2004 | 70.00 | 75.00 | 87.00 | 82.00 | 95.00 | 103.00 | 97.00 | 96.00 | 95.00 | 82.00 | 76.00 | 75.00 | 103.00 | |||||||||||||
2005 | 74.00 | 72.00 | 80.00 | 83.00 | 99.00 | 102.00 | 102.00 | 96.00 | 95.00 | 89.00 | 80.00 | 74.00 | 102.00 | |||||||||||||
2006 | 74.00 | 81.00 | 81.00 | 91.00 | 99.00 | 104.00 | 101.00 | 98.00 | 89.00 | 91.00 | 86.00 | 71.00 | 104.00 | |||||||||||||
2007 | 65.00 | 74.00 | 85.00 | 82.00 | 91.00 | 97.00 | 96.00 | 105.00 | 96.00 | 91.00 | 81.00 | 77.00 | 105.00 | |||||||||||||
2008 | 67.00 | 76.00 | 81.00 | 88.00 | 97.00 | 103.00 | 97.00 | 98.00 | 92.00 | 87.00 | 80.00 | 76.00 | 103.00 | |||||||||||||
2009 | 76.00 | 80.00 | 83.00 | 89.00 | 98.00 | 98.00 | 105.00 | 101.00 | 93.00 | 86.00 | 81.00 | 64.00 | 105.00 | |||||||||||||
2010 | 64.00 | 66.00 | 84.00 | 84.00 | 94.00 | 102.00 | 102.00 | 97.00 | 95.00 | 86.00 | 77.00 | 76.00 | 102.00 | |||||||||||||
2011 | 73.00 | 78.00 | 86.00 | a | 91.00 | a | 100.00 | d | 107.00 | a | 103.00 | 105.00 | a | 97.00 | 89.00 | 78.00 | 69.00 | a | 107.00 | |||||||
2012 | 72.00 | 71.00 | a | 89.00 | 96.00 | b | 100.00 | 105.00 | 99.00 | 104.00 | 98.00 | 90.00 | 81.00 | 73.00 | 105.00 | |||||||||||
2013 | 74.00 | 69.00 | 85.00 | 83.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.00 | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 69.97 | 73.88 | 80.63 | 87.24 | 94.21 | 100.57 | 99.97 | 98.19 | 94.13 | 87.46 | 77.40 | 70.61 | 102.24 | |||||||||||||
S.D. | 4.91 | 4.24 | 3.95 | 3.44 | 3.64 | 3.52 | 3.35 | 3.22 | 3.40 | 3.05 | 3.74 | 3.68 | 2.97 | |||||||||||||
SKEW | -0.32 | -0.53 | 0.19 | 0.40 | 0.08 | 0.26 | -0.08 | 0.06 | 0.14 | 0.04 | -0.26 | -0.35 | -0.14 | |||||||||||||
MAX | 79.00 | 81.00 | 90.00 | 96.00 | 103.00 | 108.00 | 107.00 | 105.00 | 101.00 | 96.00 | 86.00 | 77.00 | 108.00 | |||||||||||||
MIN | 57.00 | 61.00 | 73.00 | 80.00 | 86.00 | 93.00 | 92.00 | 91.00 | 87.00 | 81.00 | 69.00 | 60.00 | 95.00 | |||||||||||||
NO YRS | 66 | 66 | 67 | 68 | 66 | 65 | 67 | 68 | 67 | 67 | 65 | 67 | 59 |