YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | 72.87 | 88.27 | 91.52 | 103.97 | 103.19 | 102.39 | 97.57 | 88.94 | 69.97 | 58.13 | 87.68 | b | ||||||||||
1988 | 61.39 | 71.14 | 77.03 | 82.07 | 91.77 | 102.77 | 106.39 | 101.29 | 96.90 | 92.23 | 72.47 | 63.03 | 84.87 | |||||||||||||
1989 | 60.81 | 69.07 | 81.13 | 91.87 | 93.48 | 103.33 | 108.03 | 103.16 | 99.80 | 86.29 | 75.63 | 65.93 | a | 86.55 | ||||||||||||
1990 | 62.35 | 65.11 | 76.77 | a | 84.77 | 90.16 | 104.69 | a | 103.50 | c | 100.42 | 97.93 | 88.65 | 73.73 | 59.83 | a | 83.99 | |||||||||
1991 | 62.61 | 75.26 | a | 66.61 | 81.77 | 88.81 | 97.53 | 104.61 | 102.48 | 96.60 | 89.61 | 71.67 | 62.84 | 83.37 | ||||||||||||
1992 | 62.90 | 68.62 | 71.39 | 87.63 | 93.74 | 100.50 | 104.32 | 103.27 | a | 99.80 | 88.48 | 69.20 | 57.16 | 83.92 | ||||||||||||
1993 | 60.84 | 63.68 | 75.26 | 86.03 | 94.19 | 101.30 | 103.32 | 102.77 | 99.20 | 85.74 | 69.60 | 64.19 | 83.84 | |||||||||||||
1994 | 66.87 | 65.82 | 76.87 | 84.45 | a | 89.70 | a | 106.80 | 105.90 | 105.74 | 100.27 | 84.10 | 66.63 | 61.65 | 84.57 | |||||||||||
1995 | 60.87 | 72.93 | 74.94 | 80.67 | 87.58 | 99.45 | a | 107.03 | 107.13 | 100.83 | 90.00 | 79.10 | 67.23 | 85.65 | ||||||||||||
1996 | 66.77 | 72.45 | 77.61 | 87.00 | 96.06 | 104.00 | 106.77 | 106.30 | h | 94.91 | h | 86.08 | f | 76.75 | j | 68.05 | k | 87.24 | e | |||||||
1997 | 65.70 | d | 69.32 | c | 76.86 | x | 82.62 | v | 99.31 | o | 101.25 | n | 107.91 | t | 106.46 | r | 99.14 | p | 86.86 | q | 79.73 | s | 58.75 | k | 67.51 | j |
1998 | 64.00 | f | 61.50 | f | 73.82 | n | 79.68 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 63.11 | 69.34 | 75.05 | 85.45 | 91.70 | 102.43 | 105.31 | 103.18 | 98.77 | 88.23 | 72.00 | 62.22 | 84.59 | |||||||||||||
S.D. | 2.44 | 3.71 | 3.99 | 3.43 | 2.67 | 2.75 | 1.74 | 2.08 | 1.55 | 2.47 | 3.77 | 3.39 | 1.06 | |||||||||||||
SKEW | 0.63 | -0.03 | -0.74 | 0.29 | 0.04 | -0.28 | 0.12 | 0.73 | -0.16 | -0.18 | 0.53 | -0.09 | 0.74 | |||||||||||||
MAX | 66.87 | 75.26 | 81.13 | 91.87 | 96.06 | 106.80 | 108.03 | 107.13 | 100.83 | 92.23 | 79.10 | 67.23 | 86.55 | |||||||||||||
MIN | 60.81 | 63.68 | 66.61 | 80.67 | 87.58 | 97.53 | 103.19 | 100.42 | 96.60 | 84.10 | 66.63 | 57.16 | 83.37 | |||||||||||||
YRS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 |