YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 94.00 | 84.00 | 75.00 | 70.00 | ----- | z | ||||
1959 | 66.00 | 66.00 | 70.00 | 82.00 | d | 88.00 | 92.00 | 97.00 | 99.00 | 100.00 | 85.00 | 71.00 | a | 71.00 | 100.00 | e | ||||||||||
1960 | 65.00 | 58.00 | 74.00 | 83.00 | 83.00 | a | 99.00 | 101.00 | 98.00 | 94.00 | a | 83.00 | 70.00 | 65.00 | 101.00 | b | ||||||||||
1961 | 67.00 | 70.00 | 67.00 | 80.00 | a | 89.00 | 94.00 | 98.00 | 90.00 | 85.00 | 82.00 | a | 71.00 | 60.00 | 98.00 | b | ||||||||||
1962 | 65.00 | 76.00 | a | 74.00 | 85.00 | a | 89.00 | 91.00 | 94.00 | 100.00 | a | 93.00 | b | 90.00 | 74.00 | 66.00 | 100.00 | e | ||||||||
1963 | 67.00 | a | 75.00 | a | 82.00 | 83.00 | 92.00 | 100.00 | 101.00 | 100.00 | 86.00 | 86.00 | 75.00 | a | 65.00 | 101.00 | c | |||||||||
1964 | 66.00 | a | 64.00 | 67.00 | a | 82.00 | 93.00 | 94.00 | 104.00 | 96.00 | 93.00 | 90.00 | 71.00 | 75.00 | 104.00 | b | ||||||||||
1965 | 67.00 | 70.00 | 70.00 | a | 82.00 | 86.00 | 86.00 | 97.00 | a | 96.00 | 83.00 | 85.00 | 73.00 | 75.00 | 97.00 | b | ||||||||||
1966 | 64.00 | 55.00 | 79.00 | 81.00 | 90.00 | 95.00 | 99.00 | 94.00 | 92.00 | 83.00 | 72.00 | 65.00 | a | 99.00 | a | |||||||||||
1967 | 71.00 | 69.00 | 79.00 | 83.00 | a | 97.00 | 86.00 | 93.00 | 92.00 | 88.00 | 90.00 | b | 75.00 | 63.00 | 97.00 | c | ||||||||||
1968 | 65.00 | 67.00 | a | 78.00 | 80.00 | a | 92.00 | 102.00 | 94.00 | 89.00 | 90.00 | 84.00 | 74.00 | a | 67.00 | 102.00 | c | |||||||||
1969 | 65.00 | 65.00 | 73.00 | a | 78.00 | a | 92.00 | 96.00 | 103.00 | 103.00 | b | 88.00 | 84.00 | 68.00 | 66.00 | 103.00 | d | |||||||||
1970 | 64.00 | a | 70.00 | 68.00 | 80.00 | b | 92.00 | 101.00 | 98.00 | 97.00 | 94.00 | a | 88.00 | a | 71.00 | b | 69.00 | 101.00 | g | |||||||
1971 | 68.00 | 66.00 | a | 81.00 | b | 78.00 | b | 85.00 | a | 102.00 | 101.00 | 91.00 | 95.00 | 82.00 | b | ----- | z | ----- | z | ----- | z | |||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | 77.00 | a | 80.00 | 93.00 | 94.00 | 94.00 | 81.00 | b | 80.00 | a | 69.00 | 63.00 | a | ----- | z | |||||
1976 | 59.00 | 62.00 | a | 71.00 | 70.00 | 80.00 | 91.00 | a | 94.00 | 89.00 | 87.00 | 78.00 | 70.00 | 60.00 | c | 94.00 | e | |||||||||
1977 | 57.00 | 64.00 | 65.00 | a | 78.00 | 80.00 | 90.00 | 93.00 | 90.00 | a | 93.00 | a | 77.00 | a | 70.00 | 62.00 | a | 93.00 | e | |||||||
1978 | 50.00 | 58.00 | 76.00 | a | 78.00 | 84.00 | 93.00 | 96.00 | 91.00 | 88.00 | 84.00 | 78.00 | 55.00 | 96.00 | a | |||||||||||
1979 | 50.00 | 72.00 | 70.00 | a | 75.00 | 78.00 | 90.00 | 91.00 | 92.00 | 92.00 | 84.00 | 65.00 | 65.00 | 92.00 | a | |||||||||||
1980 | 62.00 | 67.00 | 65.00 | 80.00 | 77.00 | 95.00 | 95.00 | a | 96.00 | 88.00 | 80.00 | 75.00 | 74.00 | 96.00 | a | |||||||||||
1981 | 65.00 | a | 68.00 | 68.00 | 81.00 | 82.00 | 93.00 | 97.00 | 92.00 | 85.00 | 75.00 | 72.00 | 67.00 | 97.00 | a | |||||||||||
1982 | 62.00 | d | 70.00 | d | 67.00 | a | 78.00 | e | 77.00 | d | 84.00 | c | 94.00 | b | 87.00 | a | 90.00 | d | 75.00 | b | 64.00 | b | 69.00 | c | ----- | z |
1983 | 59.00 | 62.00 | 64.00 | c | 72.00 | b | 82.00 | e | 90.00 | c | 94.00 | a | 89.00 | 93.00 | c | 76.00 | e | 73.00 | f | 52.00 | f | ----- | z | |||
1984 | 58.00 | c | 67.00 | c | 67.00 | c | 73.00 | b | 88.00 | b | 88.00 | a | 95.00 | 89.00 | a | 88.00 | e | 72.00 | b | 69.00 | d | 67.00 | d | ----- | z | |
1985 | 60.00 | c | 64.00 | 70.00 | b | 80.00 | d | 82.00 | d | 91.00 | c | 95.00 | 95.00 | c | 90.00 | f | 75.00 | d | 69.00 | g | 53.00 | d | ----- | z | ||
1986 | 70.00 | d | 70.00 | d | 77.00 | e | 78.00 | d | 84.00 | f | 92.00 | d | 98.00 | 97.00 | e | 84.00 | g | 72.00 | f | 68.00 | h | 52.00 | a | ----- | z | |
1987 | 62.00 | b | 67.00 | f | 66.00 | g | 81.00 | c | 78.00 | a | 86.00 | c | 95.00 | c | 94.00 | h | 85.00 | b | 84.00 | g | 65.00 | d | 65.00 | e | ----- | z |
1988 | 60.00 | g | 60.00 | e | ----- | z | 78.00 | c | 83.00 | d | 92.00 | b | 93.00 | a | 93.00 | c | 90.00 | a | 80.00 | 71.00 | 63.00 | ----- | z | |||
1989 | 62.00 | 69.00 | 79.00 | m | 86.00 | 91.00 | 93.00 | 96.00 | 87.00 | a | 86.00 | 80.00 | 71.00 | b | 63.00 | 96.00 | p | |||||||||
1990 | 66.00 | 62.00 | 66.00 | 73.00 | 82.00 | 94.00 | 93.00 | g | 89.00 | 88.00 | 76.00 | 72.00 | 61.00 | b | 94.00 | i | ||||||||||
1991 | 52.00 | 58.00 | 62.00 | 76.00 | 78.00 | 92.00 | 91.00 | a | 87.00 | 81.00 | 82.00 | 66.00 | a | 54.00 | 92.00 | b | ||||||||||
1992 | 53.00 | 59.00 | 64.00 | 76.00 | f | 82.00 | 84.00 | 90.00 | 88.00 | 82.00 | f | 78.00 | 59.00 | 55.00 | 90.00 | l | ||||||||||
1993 | 56.00 | 59.00 | 69.00 | f | 72.00 | d | 77.00 | 90.00 | 92.00 | 88.00 | 82.00 | 79.00 | 58.00 | 57.00 | 92.00 | j | ||||||||||
1994 | 59.00 | 56.00 | 70.00 | a | 77.00 | a | 81.00 | 91.00 | 89.00 | 90.00 | 82.00 | 76.00 | 70.00 | 63.00 | j | 91.00 | l | |||||||||
1995 | 57.00 | e | 67.00 | 70.00 | 70.00 | 79.00 | 85.00 | 92.00 | 93.00 | 90.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | 72.00 | 80.00 | 86.00 | 93.00 | 86.00 | 84.00 | 79.00 | 63.00 | 52.00 | ----- | z | |||||||||
1998 | 56.00 | 54.00 | 72.00 | 73.00 | 81.00 | 91.00 | a | 93.00 | 86.00 | 88.00 | a | 75.00 | 72.00 | 67.00 | 93.00 | b | ||||||||||
1999 | 62.00 | 65.00 | 68.00 | 69.00 | 81.00 | 85.00 | 93.00 | a | 89.00 | a | 86.00 | 82.00 | 77.00 | 62.00 | a | 93.00 | c | |||||||||
2000 | 65.00 | 68.00 | 71.00 | 80.00 | 90.00 | 92.00 | b | 95.00 | 93.00 | a | 93.00 | 83.00 | 56.00 | 64.00 | 95.00 | c | ||||||||||
2001 | 70.00 | 60.00 | 67.00 | 79.00 | a | 85.00 | 92.00 | a | 96.00 | 92.00 | 89.00 | 82.00 | 72.00 | a | 60.00 | 96.00 | c | |||||||||
2002 | 66.00 | 67.00 | 73.00 | 82.00 | 87.00 | a | 97.00 | 98.00 | 97.00 | 92.00 | 78.00 | 73.00 | 62.00 | 98.00 | a | |||||||||||
2003 | 67.00 | 66.00 | 73.00 | 79.00 | 92.00 | 88.00 | 99.00 | 95.00 | c | 85.00 | b | 85.00 | 67.00 | 67.00 | a | 99.00 | f | |||||||||
2004 | 62.00 | 65.00 | 76.00 | 79.00 | a | 86.00 | 95.00 | 94.00 | 94.00 | 88.00 | 74.00 | 73.00 | 66.00 | 95.00 | a | |||||||||||
2005 | 69.00 | 63.00 | 71.00 | 74.00 | 90.00 | 92.00 | 100.00 | a | 95.00 | 87.00 | 83.00 | 76.00 | 66.00 | 100.00 | a | |||||||||||
2006 | 66.00 | 72.00 | 68.00 | 82.00 | 87.00 | 95.00 | 95.00 | 88.00 | 77.00 | 81.00 | 77.00 | 60.00 | 95.00 | |||||||||||||
2007 | 57.00 | 63.00 | 73.00 | 79.00 | c | 84.00 | 91.00 | 95.00 | 94.00 | 88.00 | 84.00 | 77.00 | 71.00 | 95.00 | c | |||||||||||
2008 | 63.00 | 64.00 | 73.00 | 79.00 | 89.00 | 90.00 | 98.00 | 98.00 | 85.00 | 81.00 | 75.00 | 61.00 | 98.00 | |||||||||||||
2009 | 70.00 | 66.00 | 73.00 | 79.00 | 87.00 | 89.00 | 93.00 | 92.00 | 85.00 | b | 82.00 | 77.00 | 59.00 | 93.00 | b | |||||||||||
2010 | 59.00 | 47.00 | 76.00 | a | 75.00 | 89.00 | 98.00 | 96.00 | 92.00 | a | 91.00 | 84.00 | 74.00 | 67.00 | 98.00 | b | ||||||||||
2011 | 65.00 | 71.00 | 73.00 | 80.00 | 84.00 | 97.00 | 98.00 | 96.00 | 93.00 | 83.00 | 69.00 | 62.00 | 98.00 | |||||||||||||
2012 | 67.00 | 54.00 | 76.00 | 86.00 | 90.00 | 100.00 | 97.00 | 95.00 | 90.00 | 82.00 | 71.00 | 68.00 | 100.00 | |||||||||||||
2013 | 71.00 | 58.00 | 69.00 | 78.00 | 86.00 | 97.00 | 95.00 | 93.00 | a | 92.00 | 80.00 | i | 70.00 | 64.00 | 97.00 | j | ||||||||||
2014 | 64.00 | 63.00 | 69.00 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 62.82 | 64.31 | 71.20 | 78.30 | 85.14 | 92.35 | 95.64 | 92.72 | 88.51 | 81.27 | 70.70 | 63.75 | 97.21 | |||||||||||||
S.D. | 5.32 | 5.84 | 4.68 | 4.09 | 5.08 | 4.62 | 3.22 | 4.05 | 4.41 | 4.27 | 4.95 | 5.58 | 3.25 | |||||||||||||
SKEW | -0.67 | -0.51 | 0.33 | -0.43 | 0.13 | 0.20 | 0.47 | 0.30 | -0.11 | -0.02 | -1.10 | -0.23 | 0.24 | |||||||||||||
MAX | 71.00 | 76.00 | 82.00 | 86.00 | 97.00 | 102.00 | 104.00 | 103.00 | 100.00 | 90.00 | 78.00 | 75.00 | 104.00 | |||||||||||||
MIN | 50.00 | 47.00 | 62.00 | 69.00 | 77.00 | 84.00 | 89.00 | 86.00 | 77.00 | 72.00 | 56.00 | 52.00 | 92.00 | |||||||||||||
YRS | 49 | 49 | 46 | 50 | 50 | 51 | 50 | 50 | 49 | 48 | 47 | 48 | 28 |