YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 98.00 | b | 101.00 | 92.00 | 79.00 | 85.00 | 101.00 | |||||
1940 | 69.00 | 80.00 | b | 90.00 | 90.00 | 99.00 | 99.00 | 106.00 | 104.00 | 95.00 | 90.00 | 79.00 | 71.00 | 106.00 | ||||||||||||
1941 | 71.00 | 74.00 | 85.00 | 90.00 | 93.00 | 96.00 | 98.00 | 96.00 | 93.00 | 90.00 | 89.00 | 81.00 | 98.00 | |||||||||||||
1942 | 72.00 | 72.00 | 80.00 | 89.00 | 98.00 | 109.00 | 99.00 | 96.00 | 92.00 | 87.00 | 82.00 | 74.00 | 109.00 | |||||||||||||
1943 | 77.00 | 78.00 | 83.00 | 93.00 | 96.00 | 96.00 | 102.00 | 106.00 | 95.00 | 90.00 | 80.00 | 63.00 | 106.00 | |||||||||||||
1944 | 68.00 | 74.00 | 80.00 | 85.00 | 95.00 | 101.00 | 104.00 | 109.00 | 95.00 | 85.00 | 83.00 | 70.00 | 109.00 | |||||||||||||
1945 | 70.00 | 80.00 | 84.00 | 87.00 | 100.00 | 106.00 | ----- | z | ----- | z | 95.00 | k | 85.00 | 85.00 | 75.00 | 106.00 | ||||||||||
1946 | 62.00 | 74.00 | k | ----- | z | ----- | z | 92.00 | e | 99.00 | 105.00 | 103.00 | 93.00 | 80.00 | 82.00 | 78.00 | 105.00 | |||||||||
1947 | 71.00 | 70.00 | 85.00 | a | 86.00 | 101.00 | a | 105.00 | 104.00 | f | 100.00 | h | 101.00 | 95.00 | 84.00 | 61.00 | 105.00 | |||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 92.00 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.00 | |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1950 | 75.00 | r | 50.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.00 | |
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 | 76.00 | o | 75.00 | 89.00 | 94.00 | c | 102.00 | a | 109.00 | 102.00 | 104.00 | 101.00 | b | 90.00 | d | ----- | z | ----- | z | 109.00 | ||||||
1954 | ----- | z | 83.00 | b | 85.00 | a | 94.00 | a | ----- | z | 100.00 | d | 105.00 | 101.00 | a | 97.00 | 97.00 | a | 84.00 | 83.00 | 105.00 | |||||
1955 | 72.00 | 78.00 | 87.00 | 95.00 | 96.00 | 97.00 | 97.00 | 99.00 | 94.00 | 87.00 | 83.00 | 82.00 | 99.00 | |||||||||||||
1956 | 81.00 | 82.00 | 89.00 | 94.00 | 95.00 | 107.00 | 103.00 | 101.00 | 100.00 | 94.00 | 86.00 | 76.00 | 107.00 | |||||||||||||
1957 | 80.00 | 82.00 | 80.00 | 89.00 | 87.00 | 105.00 | 104.00 | 102.00 | 99.00 | 93.00 | 75.00 | 72.00 | 105.00 | |||||||||||||
1958 | 68.00 | 75.00 | 75.00 | 84.00 | 103.00 | 106.00 | 104.00 | 102.00 | 95.00 | 89.00 | 82.00 | 82.00 | 106.00 | |||||||||||||
1959 | 75.00 | a | 80.00 | 85.00 | 99.00 | 96.00 | 102.00 | 100.00 | 103.00 | 100.00 | 89.00 | 79.00 | 69.00 | 103.00 | ||||||||||||
1960 | 69.00 | 70.00 | 82.00 | 91.00 | 98.00 | 103.00 | 105.00 | 99.00 | 98.00 | 91.00 | 80.00 | 66.00 | 105.00 | |||||||||||||
1961 | 68.00 | 78.00 | 82.00 | 93.00 | 96.00 | 97.00 | 91.00 | 93.00 | 95.00 | 89.00 | 79.00 | 74.00 | 97.00 | |||||||||||||
1962 | 74.00 | 88.00 | 90.00 | 93.00 | b | 102.00 | 100.00 | 100.00 | 104.00 | 94.00 | 94.00 | 81.00 | 78.00 | 104.00 | ||||||||||||
1963 | 77.00 | 86.00 | 92.00 | 93.00 | 98.00 | g | 95.00 | b | 98.00 | 98.00 | 95.00 | 92.00 | 81.00 | 70.00 | 98.00 | |||||||||||
1964 | 71.00 | 65.00 | 80.00 | 92.00 | 97.00 | 101.00 | 100.00 | 99.00 | i | 96.00 | 84.00 | d | 80.00 | 79.00 | h | 101.00 | ||||||||||
1965 | 76.00 | g | 77.00 | e | 79.00 | f | 97.00 | f | 93.00 | e | 96.00 | 100.00 | b | 98.00 | b | 98.00 | 92.00 | c | 83.00 | c | 72.00 | e | 100.00 | |||
1966 | 68.00 | f | 64.00 | d | 85.00 | 87.00 | 98.00 | d | 99.00 | b | 99.00 | 103.00 | b | 90.00 | 88.00 | 82.00 | 74.00 | a | 103.00 | |||||||
1967 | 79.00 | 79.00 | 90.00 | 93.00 | 97.00 | 96.00 | 98.00 | 98.00 | 95.00 | 91.00 | 83.00 | 68.00 | 98.00 | |||||||||||||
1968 | 71.00 | 74.00 | 81.00 | 85.00 | 95.00 | 100.00 | 98.00 | 97.00 | 93.00 | 89.00 | 80.00 | 69.00 | 100.00 | |||||||||||||
1969 | 79.00 | 75.00 | 74.00 | 87.00 | a | 91.00 | 104.00 | 101.00 | a | 100.00 | 90.00 | 90.00 | 78.00 | 78.00 | 104.00 | |||||||||||
1970 | 79.00 | 83.00 | 80.00 | 87.00 | 94.00 | 103.00 | 103.00 | 100.00 | 98.00 | 86.00 | 82.00 | a | 77.00 | 103.00 | ||||||||||||
1971 | 75.00 | 72.00 | a | 93.00 | 89.00 | 94.00 | 94.00 | 104.00 | 91.00 | 95.00 | a | 87.00 | 80.00 | 79.00 | 104.00 | |||||||||||
1972 | 79.00 | 82.00 | 86.00 | 96.00 | 91.00 | 103.00 | 95.00 | 98.00 | 91.00 | 91.00 | 70.00 | 73.00 | 103.00 | |||||||||||||
1973 | 65.00 | 73.00 | 75.00 | a | 85.00 | 97.00 | 100.00 | 100.00 | 100.00 | 94.00 | 95.00 | 85.00 | 74.00 | 100.00 | ||||||||||||
1974 | 81.00 | 78.00 | 89.00 | 93.00 | 101.00 | 100.00 | 101.00 | 95.00 | 92.00 | 81.00 | 77.00 | 71.00 | a | 101.00 | ||||||||||||
1975 | 75.00 | 77.00 | 82.00 | a | 90.00 | 90.00 | a | 102.00 | 97.00 | 94.00 | e | 93.00 | 89.00 | 83.00 | 77.00 | 102.00 | ||||||||||
1976 | 70.00 | 83.00 | 86.00 | 88.00 | 97.00 | 100.00 | 96.00 | 98.00 | g | 92.00 | 85.00 | 76.00 | 68.00 | e | 100.00 | |||||||||||
1977 | 61.00 | a | 79.00 | b | 81.00 | c | 83.00 | 95.00 | c | 101.00 | 100.00 | a | 98.00 | c | 98.00 | c | 97.00 | c | ----- | z | 75.00 | k | 101.00 | |||
1978 | 68.00 | 66.00 | b | 85.00 | b | 91.00 | 99.00 | a | 103.00 | e | 106.00 | e | 104.00 | a | 98.00 | a | 90.00 | 80.00 | 75.00 | f | 106.00 | |||||
1979 | 68.00 | 87.00 | a | 83.00 | 91.00 | a | 96.00 | e | 98.00 | a | 100.00 | a | 92.00 | 95.00 | c | 99.00 | h | 75.00 | b | 73.00 | i | 100.00 | ||||
1980 | 77.00 | 82.00 | 80.00 | 88.00 | 92.00 | 109.00 | 106.00 | 101.00 | 96.00 | d | 86.00 | 87.00 | 77.00 | b | 109.00 | |||||||||||
1981 | 76.00 | b | 83.00 | 83.00 | 89.00 | b | 101.00 | g | 108.00 | 102.00 | e | 93.00 | f | 93.00 | 89.00 | e | 85.00 | b | 77.00 | l | 108.00 | |||||
1982 | 73.00 | 83.00 | 86.00 | 91.00 | 92.00 | 100.00 | 100.00 | 104.00 | 98.00 | 87.00 | 85.00 | 77.00 | 104.00 | |||||||||||||
1983 | 66.00 | 69.00 | 83.00 | 88.00 | 93.00 | 101.00 | 107.00 | 102.00 | 102.00 | 91.00 | 75.00 | 70.00 | 107.00 | |||||||||||||
1984 | 67.00 | 77.00 | 85.00 | 89.00 | 102.00 | 100.00 | 100.00 | 101.00 | 100.00 | 84.00 | 81.00 | 73.00 | 102.00 | |||||||||||||
1985 | 65.00 | 73.00 | 79.00 | 90.00 | 102.00 | 100.00 | 100.00 | 103.00 | 99.00 | 90.00 | 75.00 | 72.00 | 103.00 | |||||||||||||
1986 | 79.00 | 84.00 | 87.00 | 91.00 | 102.00 | 97.00 | 103.00 | 102.00 | 89.00 | 82.00 | 74.00 | 63.00 | 103.00 | |||||||||||||
1987 | 74.00 | 77.00 | a | 77.00 | 94.00 | 92.00 | a | 100.00 | 102.00 | 98.00 | 88.00 | 90.00 | 82.00 | 75.00 | 102.00 | |||||||||||
1988 | 66.00 | 77.00 | 88.00 | 86.00 | 94.00 | 102.00 | 96.00 | 98.00 | 93.00 | 91.00 | 82.00 | 67.00 | 102.00 | |||||||||||||
1989 | 71.00 | 84.00 | 94.00 | 98.00 | a | 102.00 | 95.00 | 101.00 | 97.00 | 95.00 | 91.00 | 79.00 | 68.00 | 102.00 | ||||||||||||
1990 | 75.00 | 77.00 | 82.00 | 87.00 | 98.00 | 109.00 | 98.00 | 98.00 | 96.00 | 85.00 | 84.00 | 74.00 | 109.00 | |||||||||||||
1991 | 63.00 | 76.00 | 86.00 | 88.00 | 98.00 | 96.00 | 98.00 | 97.00 | 90.00 | 90.00 | 72.00 | 71.00 | 98.00 | |||||||||||||
1992 | 60.00 | 74.00 | 80.00 | 89.00 | 95.00 | 96.00 | 101.00 | 97.00 | 95.00 | 91.00 | 79.00 | 73.00 | 101.00 | |||||||||||||
1993 | 67.00 | 73.00 | 81.00 | 88.00 | 90.00 | 98.00 | 100.00 | 99.00 | 95.00 | 87.00 | 76.00 | 71.00 | 100.00 | |||||||||||||
1994 | 78.00 | 75.00 | 86.00 | 87.00 | 94.00 | 111.00 | 103.00 | 101.00 | 96.00 | 90.00 | 84.00 | 73.00 | 111.00 | |||||||||||||
1995 | 74.00 | 80.00 | 90.00 | 90.00 | 97.00 | 97.00 | 106.00 | 97.00 | 101.00 | 86.00 | 83.00 | 77.00 | 106.00 | |||||||||||||
1996 | 72.00 | 87.00 | 84.00 | 95.00 | 103.00 | 104.00 | 101.00 | 99.00 | 89.00 | 89.00 | 86.00 | 75.00 | 104.00 | |||||||||||||
1997 | 79.00 | a | 77.00 | 91.00 | 85.00 | 89.00 | 99.00 | 99.00 | 98.00 | 98.00 | 95.00 | 81.00 | 72.00 | a | 99.00 | |||||||||||
1998 | 69.00 | 76.00 | 89.00 | 93.00 | 102.00 | 109.00 | 104.00 | 100.00 | 98.00 | 90.00 | 79.00 | 71.00 | 109.00 | |||||||||||||
1999 | 76.00 | 80.00 | 83.00 | 91.00 | 96.00 | 98.00 | 102.00 | 103.00 | 99.00 | 89.00 | 80.00 | 68.00 | 103.00 | |||||||||||||
2000 | 79.00 | 81.00 | 82.00 | 92.00 | 109.00 | 100.00 | 103.00 | a | 100.00 | 103.00 | 100.00 | 71.00 | 66.00 | 109.00 | ||||||||||||
2001 | 57.00 | 76.00 | 80.00 | 90.00 | 95.00 | 102.00 | 104.00 | 98.00 | 97.00 | 88.00 | 83.00 | 68.00 | 104.00 | |||||||||||||
2002 | 76.00 | 78.00 | 87.00 | 91.00 | 95.00 | 96.00 | 102.00 | 99.00 | 94.00 | 84.00 | 78.00 | 71.00 | 102.00 | |||||||||||||
2003 | 78.00 | 85.00 | 85.00 | 91.00 | 104.00 | 96.00 | 102.00 | 104.00 | 94.00 | 89.00 | 82.00 | 75.00 | 104.00 | |||||||||||||
2004 | 75.00 | 75.00 | 86.00 | 87.00 | 100.00 | 99.00 | 101.00 | 98.00 | 94.00 | 89.00 | 73.00 | 71.00 | 101.00 | |||||||||||||
2005 | 73.00 | 76.00 | 83.00 | 86.00 | 98.00 | 98.00 | 101.00 | 95.00 | 99.00 | 92.00 | 86.00 | 76.00 | 101.00 | |||||||||||||
2006 | 81.00 | 78.00 | 87.00 | 93.00 | 100.00 | 103.00 | 102.00 | 99.00 | 92.00 | 90.00 | 88.00 | 77.00 | 103.00 | |||||||||||||
2007 | 72.00 | 75.00 | 82.00 | 83.00 | 89.00 | a | 97.00 | 95.00 | 97.00 | 94.00 | 92.00 | 80.00 | 70.00 | 97.00 | ||||||||||||
2008 | 73.00 | 78.00 | 86.00 | 90.00 | 97.00 | 103.00 | 99.00 | 99.00 | 90.00 | 87.00 | 80.00 | 77.00 | 103.00 | |||||||||||||
2009 | 75.00 | 81.00 | 87.00 | 93.00 | 99.00 | 101.00 | 103.00 | 98.00 | 94.00 | 91.00 | 81.00 | 65.00 | 103.00 | |||||||||||||
2010 | 73.00 | 64.00 | 88.00 | 90.00 | 95.00 | 104.00 | 92.00 | 97.00 | 95.00 | 88.00 | 82.00 | 79.00 | 104.00 | |||||||||||||
2011 | 73.00 | 83.00 | 90.00 | 94.00 | 101.00 | 108.00 | 102.00 | 102.00 | 99.00 | 89.00 | 78.00 | 64.00 | 108.00 | |||||||||||||
2012 | 76.00 | 76.00 | 87.00 | 100.00 | 99.00 | 102.00 | 99.00 | 102.00 | 98.00 | 90.00 | h | ----- | z | ----- | z | 102.00 | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 72.39 | 77.45 | 84.50 | 90.20 | 96.74 | 101.03 | 100.83 | 99.52 | 95.50 | 89.34 | 80.58 | 72.84 | 103.35 | |||||||||||||
S.D. | 5.54 | 5.35 | 4.30 | 3.67 | 4.24 | 4.16 | 3.26 | 3.35 | 3.44 | 3.67 | 4.00 | 5.14 | 3.39 | |||||||||||||
SKEW | -0.55 | -0.45 | -0.17 | 0.29 | 0.12 | 0.55 | -0.57 | 0.03 | -0.01 | 0.08 | -0.49 | 0.00 | 0.17 | |||||||||||||
MAX | 81.00 | 88.00 | 94.00 | 100.00 | 109.00 | 111.00 | 107.00 | 109.00 | 103.00 | 100.00 | 89.00 | 85.00 | 111.00 | |||||||||||||
MIN | 57.00 | 64.00 | 74.00 | 83.00 | 87.00 | 94.00 | 91.00 | 91.00 | 88.00 | 80.00 | 70.00 | 61.00 | 97.00 | |||||||||||||
NO YRS | 64 | 67 | 66 | 66 | 65 | 68 | 66 | 64 | 68 | 67 | 66 | 62 | 51 |