YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.00 | a | 98.00 | 90.00 | 83.00 | 69.00 | ----- | z | ||||
1976 | 72.00 | 72.00 | 76.00 | 81.00 | 99.00 | 102.00 | 101.00 | 99.00 | a | 95.00 | 86.00 | 76.00 | 63.00 | 102.00 | a | |||||||||||
1977 | 63.00 | 78.00 | 76.00 | 85.00 | 95.00 | 102.00 | 101.00 | 102.00 | a | 98.00 | a | 92.00 | 78.00 | 72.00 | 102.00 | b | ||||||||||
1978 | 69.00 | 70.00 | 80.00 | a | 84.00 | 98.00 | 102.00 | 104.00 | b | 95.00 | 96.00 | 92.00 | 77.00 | 63.00 | 104.00 | c | ||||||||||
1979 | 61.00 | 72.00 | 75.00 | 84.00 | 90.00 | 103.00 | 103.00 | 97.00 | 99.00 | 93.00 | a | 68.00 | 70.00 | 103.00 | a | |||||||||||
1980 | 64.00 | b | 76.00 | 73.00 | 87.00 | ----- | z | 105.00 | 103.00 | 100.00 | 97.00 | 95.00 | 81.00 | 75.00 | ----- | z | ||||||||||
1981 | 68.00 | 78.00 | ----- | 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 | 75.00 | 74.00 | 77.00 | a | 92.00 | a | 99.00 | 99.00 | 102.00 | 100.00 | 98.00 | 94.00 | 64.00 | g | ----- | z | ----- | z | ||||||||
2001 | ----- | z | ----- | z | 81.00 | h | 86.00 | 99.00 | 104.00 | b | 106.00 | d | 104.00 | c | 100.00 | b | 88.00 | f | 82.00 | j | 71.00 | e | ----- | z | ||
2002 | 68.00 | g | 77.00 | g | 83.00 | j | 90.00 | f | 104.00 | d | 104.00 | d | 105.00 | d | 103.00 | d | 99.00 | d | 88.00 | e | 75.00 | c | 65.00 | e | ----- | z |
2003 | 74.00 | b | 75.00 | e | 79.00 | g | 82.00 | g | 99.00 | e | 103.00 | c | 108.00 | a | 106.00 | b | 98.00 | c | 97.00 | f | 76.00 | e | 73.00 | d | ----- | z |
2004 | 66.00 | h | 72.00 | e | 83.00 | d | 84.00 | 94.00 | c | 102.00 | k | 101.00 | ----- | z | ----- | z | 74.00 | v | 73.00 | a | 71.00 | ----- | z | |||
2005 | 69.00 | 68.00 | 80.00 | 89.00 | 104.00 | a | 107.00 | a | 109.00 | a | 104.00 | a | 97.00 | 92.00 | 83.00 | a | 75.00 | a | 109.00 | f | ||||||
2006 | 71.00 | 80.00 | a | 79.00 | b | 88.00 | 96.00 | a | 105.00 | 108.00 | 98.00 | 96.00 | 94.00 | a | 84.00 | 69.00 | 108.00 | e | ||||||||
2007 | 66.00 | 74.00 | a | 90.00 | 91.00 | 97.00 | 103.00 | 108.00 | 103.00 | 99.00 | a | 92.00 | 85.00 | 71.00 | 108.00 | b | ||||||||||
2008 | 65.00 | 77.00 | a | 80.00 | 88.00 | a | 97.00 | a | 105.00 | 103.00 | 103.00 | a | 96.00 | a | 90.00 | a | 84.00 | 73.00 | c | 105.00 | i | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 68.08 | 74.31 | 79.00 | 86.58 | 97.77 | 103.38 | 104.43 | 101.14 | 97.57 | 91.50 | 78.69 | 70.00 | 103.80 | |||||||||||||
S.D. | 4.42 | 3.47 | 4.63 | 3.20 | 3.77 | 1.98 | 2.90 | 3.08 | 1.45 | 2.61 | 5.14 | 3.92 | 2.49 | |||||||||||||
SKEW | 0.03 | -0.12 | 1.12 | 0.10 | -0.10 | -0.36 | 0.30 | -0.45 | -0.15 | -0.74 | -0.50 | -0.66 | 1.12 | |||||||||||||
MAX | 75.00 | 80.00 | 90.00 | 92.00 | 104.00 | 107.00 | 109.00 | 106.00 | 100.00 | 95.00 | 85.00 | 75.00 | 108.00 | |||||||||||||
MIN | 61.00 | 68.00 | 73.00 | 81.00 | 90.00 | 99.00 | 101.00 | 95.00 | 95.00 | 86.00 | 68.00 | 63.00 | 102.00 | |||||||||||||
YRS | 12 | 13 | 11 | 12 | 13 | 13 | 14 | 14 | 14 | 12 | 13 | 14 | 5 |