YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.23 | 74.03 | a | 72.94 | 74.73 | i | ||
1991 | 73.33 | a | 75.75 | 69.00 | 72.50 | 74.61 | 74.57 | 76.03 | 76.87 | 78.10 | a | 77.68 | 76.33 | 72.81 | 74.80 | |||||||||||
1992 | 73.71 | 73.00 | a | 72.97 | 73.27 | 77.00 | 75.57 | 76.32 | 75.84 | 77.74 | c | 78.19 | 74.17 | 72.77 | a | 75.04 | ||||||||||
1993 | 71.83 | a | 71.11 | 71.53 | a | 73.23 | 72.47 | a | 74.53 | 74.13 | 76.90 | b | 77.03 | a | 75.50 | a | 72.10 | 70.03 | b | 73.37 | ||||||
1994 | 70.65 | 71.29 | 70.60 | a | 71.03 | a | 72.23 | 73.13 | 75.38 | b | 75.58 | 75.54 | b | 76.06 | 70.13 | 70.74 | 72.70 | |||||||||
1995 | 71.87 | 73.64 | 74.06 | 71.47 | 72.17 | b | 74.69 | a | 74.83 | b | 75.00 | a | 77.14 | a | 74.76 | b | 75.04 | e | 75.88 | f | 74.06 | a | ||||
1996 | 73.30 | a | 70.12 | c | 70.37 | a | 74.00 | c | 75.47 | a | 77.21 | a | 76.32 | f | 77.37 | d | 76.83 | f | 76.90 | a | 75.62 | f | 72.40 | a | 74.13 | c |
1997 | 75.27 | a | 72.33 | a | 71.85 | d | 73.41 | c | 72.81 | e | 74.13 | 75.31 | b | 77.11 | d | 77.48 | c | 75.93 | c | 72.68 | b | 70.37 | d | 74.06 | ||
1998 | 73.50 | c | 72.96 | b | 73.79 | b | 69.96 | c | 69.79 | c | 71.64 | b | 73.07 | d | 75.25 | c | 74.07 | b | 73.92 | g | 72.82 | s | ----- | z | 72.67 | c |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 72.93 | 72.52 | 71.77 | 72.36 | 73.32 | 74.43 | 75.01 | 76.24 | 76.73 | 76.53 | 73.50 | 71.72 | 73.99 | |||||||||||||
S.D. | 1.43 | 1.75 | 1.77 | 1.40 | 2.26 | 1.63 | 1.12 | 0.92 | 1.43 | 1.16 | 2.05 | 1.28 | 0.98 | |||||||||||||
SKEW | -0.05 | 0.47 | -0.10 | -0.55 | 0.19 | -0.04 | -0.58 | -0.11 | -1.01 | -0.05 | -0.30 | -0.32 | -0.22 | |||||||||||||
MAX | 75.27 | 75.75 | 74.06 | 74.00 | 77.00 | 77.21 | 76.32 | 77.37 | 78.10 | 78.19 | 76.33 | 72.94 | 75.04 | |||||||||||||
MIN | 70.65 | 70.12 | 69.00 | 69.96 | 69.79 | 71.64 | 73.07 | 75.00 | 74.07 | 74.76 | 70.13 | 70.03 | 72.70 | |||||||||||||
YRS | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 8 | 7 | 7 | 5 |