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 | 60.48 | 61.17 | a | 56.35 | 59.34 | i | ||
1991 | 54.20 | a | 54.57 | 56.17 | a | 56.67 | 56.29 | 57.53 | 59.13 | 61.71 | 60.41 | a | 58.26 | 58.97 | 56.74 | 57.55 | ||||||||||
1992 | 52.32 | 53.00 | a | 54.29 | 55.37 | 56.97 | 60.50 | 61.00 | 61.26 | 62.33 | c | 60.52 | 60.07 | 58.13 | a | 57.98 | ||||||||||
1993 | 53.53 | a | 51.96 | 54.24 | b | 56.52 | a | 56.17 | a | 59.50 | 59.77 | 60.36 | c | 59.89 | b | 60.10 | a | 57.10 | 56.30 | a | 57.12 | |||||
1994 | 53.35 | 56.50 | 55.17 | a | 57.14 | a | 57.33 | a | 59.37 | 62.00 | b | 61.19 | 60.82 | b | 58.87 | 60.33 | 55.32 | 58.12 | ||||||||
1995 | 53.32 | 52.00 | 56.10 | 56.47 | 57.72 | b | 58.79 | a | 60.17 | b | 60.03 | a | 58.59 | a | 59.55 | b | 57.92 | e | 55.84 | f | 57.33 | a | ||||
1996 | 56.53 | a | 54.69 | c | 54.90 | a | 57.70 | c | 58.97 | a | 60.00 | a | 60.24 | f | 59.31 | e | 59.92 | f | 59.57 | a | 60.08 | f | 56.67 | a | 57.59 | c |
1997 | 54.70 | a | 55.33 | a | 57.33 | d | 55.56 | c | 58.85 | e | 60.77 | 60.41 | b | 60.04 | d | 60.67 | c | 59.00 | c | 57.82 | b | 55.30 | d | 57.98 | ||
1998 | 52.61 | c | 51.92 | b | 53.55 | b | 56.67 | c | 56.64 | c | 58.64 | b | 58.00 | d | 60.18 | c | 57.79 | b | 57.21 | g | 58.45 | s | ----- | z | 56.22 | c |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 53.82 | 53.75 | 55.22 | 56.51 | 57.37 | 59.39 | 60.07 | 60.51 | 60.07 | 59.54 | 59.05 | 56.40 | 57.75 | |||||||||||||
S.D. | 1.34 | 1.76 | 1.24 | 0.76 | 1.08 | 1.06 | 1.29 | 0.80 | 1.51 | 0.81 | 1.52 | 0.96 | 0.41 | |||||||||||||
SKEW | 0.97 | 0.24 | 0.36 | -0.14 | 0.48 | -0.36 | -0.14 | 0.14 | -0.16 | -0.19 | 0.09 | 0.53 | -0.74 | |||||||||||||
MAX | 56.53 | 56.50 | 57.33 | 57.70 | 58.97 | 60.77 | 62.00 | 61.71 | 62.33 | 60.52 | 61.17 | 58.13 | 58.12 | |||||||||||||
MIN | 52.32 | 51.92 | 53.55 | 55.37 | 56.17 | 57.53 | 58.00 | 59.31 | 57.79 | 58.26 | 57.10 | 55.30 | 57.12 | |||||||||||||
YRS | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 8 | 7 | 7 | 5 |