YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | 69.00 | m | 70.00 | 70.00 | 85.00 | 80.00 | 92.00 | 94.00 | 93.00 | 86.00 | 83.00 | 73.00 | 73.00 | a | 94.00 | n | ||||||||||
1988 | 65.00 | 70.00 | 76.00 | 80.00 | b | 91.00 | b | 93.00 | 91.00 | a | 91.00 | a | 88.00 | 81.00 | 82.00 | 65.00 | 93.00 | f | ||||||||
1989 | 66.00 | 76.00 | a | 83.00 | 90.00 | 95.00 | b | 99.00 | 101.00 | 90.00 | 87.00 | 84.00 | 75.00 | 70.00 | b | 101.00 | e | |||||||||
1990 | 73.00 | a | 69.00 | 79.00 | 83.00 | 92.00 | 101.00 | a | 91.00 | b | 86.00 | 83.00 | 81.00 | ----- | z | 67.00 | b | ----- | z | |||||||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | a | 90.00 | a | 86.00 | 93.00 | b | 85.00 | 70.00 | b | 65.00 | a | ----- | z | ||
1992 | 57.00 | a | 64.00 | 74.00 | a | 85.00 | 86.00 | 94.00 | a | 98.00 | b | 96.00 | a | 96.00 | a | 85.00 | d | 69.00 | b | 82.00 | e | 98.00 | r | |||
1993 | 65.00 | b | 68.00 | e | 78.00 | 84.00 | b | 89.00 | b | 98.00 | 96.00 | 95.00 | b | 90.00 | a | 86.00 | a | 70.00 | b | 66.00 | a | 98.00 | r | |||
1994 | 67.00 | 69.00 | a | 77.00 | 80.00 | 93.00 | b | 105.00 | c | 100.00 | 97.00 | 88.00 | 88.00 | b | 75.00 | c | 66.00 | b | 105.00 | m | ||||||
1995 | 71.00 | b | 67.00 | 77.00 | a | 81.00 | 91.00 | 93.00 | 103.00 | a | 95.00 | a | 93.00 | 82.00 | 75.00 | a | 72.00 | a | 103.00 | g | ||||||
1996 | 68.00 | a | 72.00 | a | 73.00 | c | 86.00 | 94.00 | 97.00 | 90.00 | a | 90.00 | 83.00 | 84.00 | a | 78.00 | b | 69.00 | a | 97.00 | j | |||||
1997 | 66.00 | a | 66.00 | 79.00 | a | 79.00 | 87.00 | a | 95.00 | a | 95.00 | 92.00 | c | 90.00 | 86.00 | 71.00 | 66.00 | a | 95.00 | h | ||||||
1998 | 65.00 | a | 72.00 | 78.00 | a | 81.00 | 92.00 | a | 100.00 | a | 97.00 | 90.00 | a | 90.00 | a | 90.00 | c | 74.00 | 66.00 | 100.00 | i | |||||
1999 | 71.00 | a | 71.00 | 75.00 | a | 82.00 | a | 88.00 | 94.00 | a | 98.00 | 91.00 | 88.00 | a | 84.00 | a | 76.00 | a | 68.00 | a | 98.00 | h | ||||
2000 | 74.00 | 74.00 | 75.00 | 87.00 | a | 94.00 | c | 92.00 | d | 96.00 | 92.00 | 95.00 | g | 90.00 | a | 66.00 | 68.00 | 96.00 | p | |||||||
2001 | 63.00 | a | 68.00 | e | 76.00 | 82.00 | f | 93.00 | 95.00 | a | 96.00 | a | 94.00 | 92.00 | 81.00 | a | 75.00 | 68.00 | b | 96.00 | q | |||||
2002 | 71.00 | a | 71.00 | b | 78.00 | 87.00 | b | 93.00 | 98.00 | 93.00 | a | 96.00 | 88.00 | 86.00 | 71.00 | a | 69.00 | b | 98.00 | i | ||||||
2003 | 70.00 | a | 69.00 | f | 74.00 | 84.00 | a | 92.00 | f | 95.00 | 97.00 | 99.00 | 88.00 | c | 85.00 | 76.00 | 73.00 | 99.00 | q | |||||||
2004 | 66.00 | 70.00 | 79.00 | 76.00 | a | 91.00 | a | 96.00 | a | 97.00 | a | 88.00 | 89.00 | 76.00 | 74.00 | 68.00 | 97.00 | d | ||||||||
2005 | 70.00 | 67.00 | 71.00 | 79.00 | 97.00 | 97.00 | 100.00 | a | 87.00 | a | 90.00 | 86.00 | 79.00 | 67.00 | 100.00 | b | ||||||||||
2006 | 67.00 | 70.00 | 77.00 | 85.00 | 93.00 | 97.00 | b | 94.00 | 92.00 | 81.00 | 84.00 | 77.00 | 69.00 | 97.00 | b | |||||||||||
2007 | 68.00 | b | 67.00 | a | 80.00 | 79.00 | b | 82.00 | 95.00 | e | 91.00 | 94.00 | b | 86.00 | c | 84.00 | b | 76.00 | c | 68.00 | g | ----- | z | |||
2008 | 63.00 | e | 71.00 | a | 78.00 | b | 81.00 | 93.00 | f | 97.00 | f | 88.00 | j | 87.00 | d | 83.00 | d | 78.00 | j | 75.00 | l | 73.00 | g | ----- | z | |
2009 | 69.00 | e | 73.00 | j | 78.00 | p | 86.00 | f | 92.00 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 67.38 | 69.60 | 76.52 | 82.70 | 90.58 | 96.38 | 95.62 | 91.86 | 88.19 | 84.33 | 74.10 | 68.85 | 98.00 | |||||||||||||
S.D. | 3.88 | 2.80 | 3.04 | 3.48 | 4.35 | 3.20 | 3.73 | 3.68 | 3.74 | 3.17 | 3.77 | 3.91 | 1.73 | |||||||||||||
SKEW | -0.60 | 0.25 | -0.29 | 0.15 | -1.03 | 0.83 | 0.08 | 0.01 | -0.04 | -0.44 | -0.15 | 2.01 | 0.71 | |||||||||||||
MAX | 74.00 | 76.00 | 83.00 | 90.00 | 97.00 | 105.00 | 103.00 | 99.00 | 96.00 | 90.00 | 82.00 | 82.00 | 100.00 | |||||||||||||
MIN | 57.00 | 64.00 | 70.00 | 76.00 | 80.00 | 92.00 | 90.00 | 86.00 | 81.00 | 76.00 | 66.00 | 65.00 | 97.00 | |||||||||||||
YRS | 21 | 20 | 21 | 20 | 19 | 21 | 21 | 22 | 21 | 21 | 20 | 20 | 3 |