YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | ----- | z | 75.00 | 77.00 | b | 96.00 | 93.00 | a | 95.00 | a | 101.00 | 99.00 | a | 93.00 | 92.00 | 78.00 | 75.00 | ----- | z | |||||||
1966 | 51.00 | n | 68.00 | 87.00 | 84.00 | b | 96.00 | 100.00 | 105.00 | a | 98.00 | 95.00 | a | 86.00 | 82.00 | a | 70.00 | a | 105.00 | t | ||||||
1967 | 76.00 | 76.00 | 86.00 | a | 89.00 | a | 96.00 | c | 98.00 | 100.00 | 100.00 | 95.00 | 92.00 | 80.00 | 67.00 | 100.00 | e | |||||||||
1968 | 72.00 | 70.00 | 80.00 | 82.00 | 97.00 | 107.00 | 102.00 | 99.00 | 90.00 | 91.00 | 78.00 | 72.00 | 107.00 | |||||||||||||
1969 | 72.00 | c | 71.00 | 75.00 | 88.00 | 95.00 | a | 101.00 | 103.00 | 104.00 | 92.00 | b | 94.00 | 77.00 | 72.00 | 104.00 | f | |||||||||
1970 | 73.00 | a | 80.00 | 81.00 | 86.00 | 96.00 | 101.00 | 100.00 | 100.00 | 97.00 | 81.00 | a | 74.00 | 80.00 | b | 101.00 | d | |||||||||
1971 | 68.00 | 70.00 | 90.00 | c | 89.00 | 94.00 | 99.00 | 100.00 | 95.00 | 96.00 | 86.00 | 81.00 | 72.00 | 100.00 | c | |||||||||||
1972 | 68.00 | 80.00 | 85.00 | 91.00 | 93.00 | 101.00 | 97.00 | 95.00 | 90.00 | 85.00 | ----- | z | 64.00 | ----- | z | |||||||||||
1973 | 61.00 | 69.00 | 73.00 | 84.00 | 92.00 | 103.00 | 103.00 | 98.00 | 94.00 | 91.00 | 80.00 | 77.00 | 103.00 | |||||||||||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.00 | j | 103.00 | 99.00 | 100.00 | b | 88.00 | e | 77.00 | 58.00 | ----- | z | ||||
1975 | 64.00 | a | 64.00 | 76.00 | ----- | z | ----- | z | 99.00 | 97.00 | 99.00 | 93.00 | 87.00 | 76.00 | 72.00 | ----- | z | |||||||||
1976 | 64.00 | 79.00 | 80.00 | ----- | z | 90.00 | 103.00 | 99.00 | 100.00 | 94.00 | a | 88.00 | 78.00 | 72.00 | ----- | z | ||||||||||
1977 | 60.00 | 76.00 | 80.00 | 87.00 | 98.00 | 107.00 | 101.00 | 102.00 | 94.00 | a | 92.00 | 81.00 | ----- | z | ----- | z | ||||||||||
1978 | 58.00 | 70.00 | ----- | z | ----- | z | 97.00 | 107.00 | 107.00 | 101.00 | 97.00 | 90.00 | 80.00 | ----- | z | ----- | z | |||||||||
1979 | ----- | z | 80.00 | 80.00 | 87.00 | ----- | z | 99.00 | ----- | z | 97.00 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.00 | ----- | z | |
2005 | 76.00 | a | 72.00 | a | 86.00 | a | 83.00 | a | 99.00 | 103.00 | 103.00 | 101.00 | 97.00 | 90.00 | 84.00 | a | 77.00 | b | 103.00 | g | ||||||
2006 | 76.00 | 80.00 | 84.00 | 93.00 | 101.00 | 104.00 | 104.00 | 100.00 | 93.00 | 94.00 | 90.00 | 69.00 | a | 104.00 | a | |||||||||||
2007 | 66.00 | 76.00 | 88.00 | 84.00 | a | 95.00 | 100.00 | 101.00 | 106.00 | 100.00 | 93.00 | 82.00 | 74.00 | 106.00 | a | |||||||||||
2008 | 67.00 | 74.00 | 84.00 | 89.00 | 98.00 | 105.00 | 98.00 | 102.00 | 94.00 | 90.00 | 82.00 | 71.00 | 105.00 | |||||||||||||
2009 | 76.00 | 79.00 | 83.00 | 90.00 | 97.00 | 100.00 | 105.00 | 101.00 | 97.00 | 93.00 | 84.00 | 66.00 | b | 105.00 | b | |||||||||||
2010 | 68.00 | 66.00 | 86.00 | 85.00 | 94.00 | 105.00 | 105.00 | 103.00 | 100.00 | 92.00 | 81.00 | 75.00 | 105.00 | |||||||||||||
2011 | 75.00 | 79.00 | 85.00 | 91.00 | 100.00 | a | 108.00 | 106.00 | 104.00 | 104.00 | 90.00 | 81.00 | a | 69.00 | 108.00 | b | ||||||||||
2012 | ----- | z | 76.00 | a | 92.00 | a | 98.00 | 98.00 | 108.00 | 104.00 | 105.00 | 101.00 | 92.00 | 84.00 | 76.00 | ----- | z | |||||||||
2013 | ----- | z | 72.00 | 85.00 | g | 95.00 | a | 98.00 | 106.00 | 101.00 | 104.00 | 98.00 | 89.00 | 74.00 | 72.00 | ----- | z | |||||||||
2014 | 70.00 | 78.00 | 81.00 | 88.00 | a | 95.00 | 107.00 | 105.00 | 102.00 | 102.00 | 91.00 | 81.00 | 70.00 | 107.00 | a | |||||||||||
2015 | 71.00 | 80.00 | 87.00 | 85.00 | 87.00 | 99.00 | 103.00 | 101.00 | 98.00 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | 73.00 | m | 73.00 | c | 82.00 | a | 89.00 | 89.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 69.05 | 74.35 | 82.83 | 88.39 | 95.33 | 102.60 | 102.12 | 100.58 | 96.16 | 89.88 | 80.22 | 71.35 | 104.64 | |||||||||||||
S.D. | 5.63 | 4.80 | 4.74 | 4.23 | 3.42 | 3.65 | 2.74 | 2.80 | 3.64 | 3.15 | 3.58 | 4.73 | 2.50 | |||||||||||||
SKEW | -0.37 | -0.42 | -0.21 | 0.61 | -0.70 | -0.05 | -0.24 | -0.10 | 0.27 | -1.01 | 0.47 | -0.80 | -0.57 | |||||||||||||
MAX | 76.00 | 80.00 | 92.00 | 98.00 | 101.00 | 108.00 | 107.00 | 106.00 | 104.00 | 94.00 | 90.00 | 80.00 | 108.00 | |||||||||||||
MIN | 58.00 | 64.00 | 73.00 | 82.00 | 87.00 | 95.00 | 97.00 | 95.00 | 90.00 | 81.00 | 74.00 | 58.00 | 100.00 | |||||||||||||
YRS | 20 | 26 | 24 | 23 | 24 | 25 | 25 | 26 | 25 | 24 | 23 | 23 | 11 |