YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 66.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | 70.00 | p | 81.00 | c | 85.00 | b | 90.00 | g | 97.00 | c | 100.00 | b | 88.00 | b | 90.00 | g | 84.00 | d | 75.00 | a | 63.00 | p | ----- | z |
1964 | 64.00 | h | 65.00 | d | 76.00 | 82.00 | c | 95.00 | b | 95.00 | f | 100.00 | 95.00 | b | 93.00 | a | 87.00 | a | 74.00 | c | 69.00 | m | ----- | z | ||
1965 | 65.00 | q | 69.00 | h | 73.00 | a | 92.00 | 94.00 | 98.00 | a | 98.00 | ----- | z | ----- | z | ----- | z | 78.00 | q | 72.00 | ----- | z | ||||
1966 | 62.00 | 68.00 | b | 79.00 | c | 82.00 | 94.00 | e | 98.00 | b | 97.00 | 96.00 | c | 90.00 | c | 82.00 | c | 80.00 | 72.00 | b | 98.00 | w | ||||
1967 | 71.00 | b | 72.00 | 80.00 | e | 83.00 | 90.00 | 98.00 | g | 99.00 | 98.00 | 90.00 | 87.00 | 80.00 | 63.00 | 99.00 | n | |||||||||
1968 | 68.00 | 73.00 | 78.00 | 78.00 | 92.00 | 100.00 | 98.00 | d | 90.00 | 93.00 | 86.00 | 82.00 | 66.00 | 100.00 | d | |||||||||||
1969 | 74.00 | a | 68.00 | 79.00 | 88.00 | 96.00 | 102.00 | c | 99.00 | 98.00 | 97.00 | 85.00 | 72.00 | 70.00 | 102.00 | d | ||||||||||
1970 | 74.00 | 72.00 | 73.00 | 78.00 | f | 95.00 | 100.00 | 100.00 | 95.00 | 95.00 | 80.00 | e | 75.00 | 73.00 | 100.00 | k | ||||||||||
1971 | 79.00 | 75.00 | 83.00 | 85.00 | 86.00 | 98.00 | e | 100.00 | 90.00 | 95.00 | 80.00 | 75.00 | a | 70.00 | 100.00 | f | ||||||||||
1972 | 68.00 | 78.00 | d | 81.00 | 86.00 | e | 87.00 | 100.00 | 100.00 | 100.00 | c | 88.00 | 89.00 | 70.00 | e | 67.00 | g | 100.00 | x | |||||||
1973 | 65.00 | 68.00 | j | 69.00 | 80.00 | 90.00 | l | 104.00 | 103.00 | 97.00 | b | 95.00 | 89.00 | 82.00 | 70.00 | 104.00 | x | |||||||||
1974 | 71.00 | a | 73.00 | 80.00 | 88.00 | 97.00 | 105.00 | b | 97.00 | h | 97.00 | 98.00 | 82.00 | 76.00 | 64.00 | 105.00 | k | |||||||||
1975 | 67.00 | a | 72.00 | 79.00 | ----- | z | 92.00 | f | 97.00 | 98.00 | 97.00 | 96.00 | 86.00 | 76.00 | 69.00 | ----- | z | |||||||||
1976 | 68.00 | 75.00 | 77.00 | 83.00 | 90.00 | 99.00 | 97.00 | 98.00 | 92.00 | 81.00 | 72.00 | 63.00 | 99.00 | |||||||||||||
1977 | 65.00 | 74.00 | 71.00 | 84.00 | 97.00 | 101.00 | 98.00 | 100.00 | 93.00 | 82.00 | k | 78.00 | 71.00 | 101.00 | k | |||||||||||
1978 | 68.00 | h | 69.00 | k | 87.00 | 85.00 | 94.00 | a | 103.00 | 101.00 | 98.00 | a | 91.00 | 89.00 | o | 71.00 | 62.00 | ----- | z | |||||||
1979 | 58.00 | a | 75.00 | 72.00 | 84.00 | 88.00 | 100.00 | 104.00 | 95.00 | h | 96.00 | a | 93.00 | 71.00 | 71.00 | 104.00 | j | |||||||||
1980 | 64.00 | 73.00 | 73.00 | b | 85.00 | 87.00 | 104.00 | 103.00 | 100.00 | a | 94.00 | 91.00 | 80.00 | 72.00 | a | 104.00 | d | |||||||||
1981 | 68.00 | 75.00 | 76.00 | 89.00 | 89.00 | d | 104.00 | 99.00 | 96.00 | 90.00 | d | 85.00 | b | 80.00 | b | 70.00 | 104.00 | l | ||||||||
1982 | 70.00 | b | 75.00 | 76.00 | c | 83.00 | 89.00 | c | 99.00 | c | 98.00 | a | ----- | z | 96.00 | f | 78.00 | d | 70.00 | g | 64.00 | c | ----- | z | ||
1983 | 62.00 | a | 65.00 | c | 68.00 | b | 72.00 | c | 84.00 | d | 93.00 | e | 98.00 | 89.00 | c | 92.00 | 76.00 | 68.00 | 60.00 | a | 98.00 | v | ||||
1984 | 61.00 | 70.00 | 69.00 | 78.00 | 96.00 | c | 90.00 | 93.00 | 88.00 | f | 89.00 | 76.00 | 82.00 | 72.00 | 96.00 | i | ||||||||||
1985 | 70.00 | 72.00 | 79.00 | a | 84.00 | 91.00 | 102.00 | 102.00 | f | 97.00 | d | 94.00 | 86.00 | a | 72.00 | 67.00 | 102.00 | l | ||||||||
1986 | 72.00 | 80.00 | 80.00 | 84.00 | 92.00 | e | 98.00 | e | 101.00 | 99.00 | 89.00 | 82.00 | 70.00 | 61.00 | l | 101.00 | v | |||||||||
1987 | 68.00 | 69.00 | 73.00 | 87.00 | d | 87.00 | c | 99.00 | b | 98.00 | 96.00 | d | 92.00 | 87.00 | a | 75.00 | 72.00 | 99.00 | n | |||||||
1988 | 67.00 | 74.00 | f | 81.00 | 83.00 | 94.00 | 98.00 | 96.00 | 91.00 | 93.00 | 86.00 | 78.00 | 65.00 | 98.00 | f | |||||||||||
1989 | 64.00 | 77.00 | 86.00 | 92.00 | 95.00 | b | 103.00 | g | 93.00 | r | 91.00 | 89.00 | 86.00 | 78.00 | l | 69.00 | ----- | z | ||||||||
1990 | 71.00 | a | 73.00 | 81.00 | 86.00 | 85.00 | i | 104.00 | e | 92.00 | 91.00 | a | 89.00 | c | 81.00 | 74.00 | e | 65.00 | c | ----- | z | |||||
1991 | 62.00 | 69.00 | a | 74.00 | b | 82.00 | 89.00 | 99.00 | 94.00 | 89.00 | b | 91.00 | 88.00 | c | 76.00 | b | 64.00 | a | 99.00 | k | ||||||
1992 | 61.00 | h | 70.00 | 75.00 | 88.00 | 87.00 | h | 96.00 | 101.00 | 94.00 | 93.00 | a | 84.00 | 71.00 | e | 63.00 | 101.00 | v | ||||||||
1993 | 65.00 | 69.00 | a | 76.00 | 85.00 | 87.00 | e | 97.00 | f | 96.00 | t | 94.00 | v | 88.00 | a | 87.00 | d | 71.00 | f | 69.00 | e | ----- | z | |||
1994 | 69.00 | d | 73.00 | c | 80.00 | 84.00 | b | 96.00 | a | 105.00 | a | 103.00 | 99.00 | 89.00 | 85.00 | b | 80.00 | 65.00 | 105.00 | m | ||||||
1995 | 67.00 | 71.00 | 76.00 | 82.00 | c | 88.00 | 95.00 | 101.00 | 98.00 | a | 95.00 | a | 84.00 | 78.00 | 74.00 | 101.00 | e | |||||||||
1996 | 71.00 | 74.00 | 76.00 | 91.00 | 97.00 | 102.00 | 99.00 | 99.00 | 92.00 | 88.00 | c | 79.00 | 71.00 | a | 102.00 | d | ||||||||||
1997 | 73.00 | 70.00 | b | 85.00 | 84.00 | b | 95.00 | a | 98.00 | b | 101.00 | e | 93.00 | a | 93.00 | a | 86.00 | 79.00 | a | 62.00 | 101.00 | o | ||||
1998 | 67.00 | 70.00 | 80.00 | a | 84.00 | 90.00 | 104.00 | 98.00 | b | 94.00 | 95.00 | a | 87.00 | a | 76.00 | 69.00 | f | 104.00 | k | |||||||
1999 | 71.00 | a | 74.00 | 76.00 | 84.00 | a | 89.00 | 100.00 | 101.00 | 92.00 | 88.00 | b | 86.00 | 78.00 | 64.00 | 101.00 | d | |||||||||
2000 | 77.00 | a | 76.00 | 77.00 | b | 90.00 | b | 99.00 | 101.00 | 97.00 | b | 95.00 | a | 95.00 | 93.00 | a | 73.00 | 65.00 | 101.00 | i | ||||||
2001 | 63.00 | a | 72.00 | a | 80.00 | a | 85.00 | a | 96.00 | 98.00 | 96.00 | 95.00 | 91.00 | 85.00 | 77.00 | a | 68.00 | 98.00 | e | |||||||
2002 | 69.00 | 74.00 | 81.00 | a | 88.00 | b | 98.00 | a | 103.00 | b | 101.00 | 100.00 | b | 92.00 | 86.00 | b | 72.00 | b | 64.00 | 103.00 | l | |||||
2003 | 71.00 | 73.00 | 79.00 | a | 82.00 | 96.00 | 98.00 | 102.00 | a | 101.00 | a | 92.00 | 86.00 | 79.00 | 73.00 | a | 102.00 | d | ||||||||
2004 | 64.00 | a | 73.00 | a | 82.00 | 80.00 | a | 92.00 | 98.00 | 100.00 | 95.00 | 95.00 | 83.00 | 75.00 | f | 71.00 | 100.00 | i | ||||||||
2005 | 70.00 | a | 67.00 | 76.00 | a | 81.00 | a | 100.00 | 101.00 | 101.00 | a | 96.00 | a | 93.00 | 88.00 | 80.00 | 72.00 | 101.00 | e | |||||||
2006 | 69.00 | a | 78.00 | 78.00 | 86.00 | 94.00 | 101.00 | a | 101.00 | a | 91.00 | a | 85.00 | 86.00 | 75.00 | a | 66.00 | a | 101.00 | f | ||||||
2007 | 64.00 | a | 72.00 | a | 82.00 | 83.00 | 88.00 | a | 102.00 | a | 100.00 | b | 99.00 | 90.00 | 88.00 | n | 79.00 | 73.00 | 102.00 | t | ||||||
2008 | 63.00 | 77.00 | 79.00 | f | 85.00 | 94.00 | b | 101.00 | 94.00 | 90.00 | a | 87.00 | b | 85.00 | 78.00 | a | 73.00 | a | 101.00 | m | ||||||
2009 | 70.00 | a | 78.00 | 80.00 | 84.00 | 93.00 | 93.00 | b | 99.00 | a | 96.00 | 89.00 | 87.00 | 77.00 | 61.00 | f | 99.00 | j | ||||||||
2010 | 64.00 | c | 66.00 | g | 76.00 | g | 80.00 | g | 96.00 | 101.00 | v | 96.00 | a | 100.00 | e | 90.00 | n | 87.00 | d | 75.00 | 74.00 | c | ----- | z | ||
2011 | 75.00 | d | 75.00 | o | 83.00 | b | 88.00 | d | 92.00 | c | 103.00 | 97.00 | 98.00 | 93.00 | a | 87.00 | d | 80.00 | 69.00 | c | ----- | z | ||||
2012 | 73.00 | 70.00 | d | 78.00 | k | 90.00 | j | 95.00 | 101.00 | 97.00 | 98.00 | 96.00 | 90.00 | 80.00 | b | 74.00 | c | ----- | z | |||||||
2013 | 70.00 | c | 67.00 | 84.00 | 88.00 | e | 93.00 | f | 105.00 | 99.00 | 94.00 | b | 92.00 | b | 85.00 | a | 73.00 | w | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 68.13 | 72.41 | 77.92 | 84.51 | 92.51 | 99.93 | 98.89 | 95.50 | 92.06 | 85.28 | 76.22 | 68.32 | 101.43 | |||||||||||||
S.D. | 4.43 | 3.50 | 4.37 | 3.71 | 3.92 | 3.34 | 2.61 | 3.57 | 2.88 | 3.65 | 3.66 | 4.01 | 1.62 | |||||||||||||
SKEW | 0.09 | -0.10 | -0.28 | -0.51 | -0.22 | -0.66 | -0.51 | -0.49 | -0.17 | -0.51 | -0.33 | -0.27 | 0.01 | |||||||||||||
MAX | 79.00 | 80.00 | 87.00 | 92.00 | 100.00 | 105.00 | 104.00 | 101.00 | 98.00 | 93.00 | 82.00 | 74.00 | 104.00 | |||||||||||||
MIN | 58.00 | 65.00 | 68.00 | 72.00 | 84.00 | 90.00 | 92.00 | 88.00 | 85.00 | 76.00 | 68.00 | 60.00 | 99.00 | |||||||||||||
YRS | 46 | 44 | 48 | 47 | 45 | 46 | 47 | 46 | 47 | 47 | 45 | 44 | 7 |