YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1987 | ----- | z | ----- | z | 57.94 | 72.38 | a | 76.53 | 87.65 | 87.76 | 89.10 | 82.73 | 74.58 | 56.85 | 46.47 | 73.20 | b | |||||||||
1988 | 49.13 | a | 55.66 | 60.89 | 67.07 | 76.21 | 86.45 | a | 92.98 | a | 88.18 | 80.80 | 76.79 | 58.35 | 49.10 | 70.13 | ||||||||||
1989 | 48.06 | 54.32 | 64.35 | 74.78 | a | 77.66 | 86.72 | 94.02 | 89.14 | c | 84.05 | 71.28 | a | 59.60 | a | 50.05 | a | 71.17 | ||||||||
1990 | 48.76 | 50.96 | b | 62.29 | b | 70.27 | 74.16 | 88.86 | b | 90.29 | c | 86.74 | 83.83 | 71.85 | a | 59.16 | a | 46.10 | e | 69.44 | ||||||
1991 | 49.97 | 59.34 | c | 54.17 | a | 66.21 | a | 73.11 | 81.68 | 90.63 | 88.85 | 83.34 | b | 74.63 | 58.22 | a | 51.05 | a | 69.27 | |||||||
1992 | 50.29 | 56.64 | a | 58.80 | a | 70.95 | 78.50 | 84.62 | 90.10 | 90.32 | a | 84.28 | 72.69 | 55.28 | 46.50 | 69.91 | ||||||||||
1993 | 50.73 | 52.67 | a | 60.60 | 68.77 | 78.56 | 85.13 | 87.40 | 88.88 | a | 82.60 | a | 71.16 | 55.07 | a | 49.58 | 69.26 | |||||||||
1994 | 50.98 | 51.21 | 62.18 | 69.07 | a | 74.82 | a | 90.15 | 90.79 | 93.02 | a | 85.16 | a | 69.48 | a | 52.50 | c | 50.20 | a | 69.96 | ||||||
1995 | 50.23 | 59.11 | 60.26 | 65.52 | a | 72.74 | 82.68 | b | 92.23 | 93.77 | a | 86.40 | 72.89 | c | 63.73 | 52.87 | 71.03 | |||||||||
1996 | 51.45 | a | 58.52 | 61.85 | 70.65 | 79.82 | a | 87.08 | 93.94 | 92.66 | l | 80.53 | n | 70.42 | k | 61.03 | o | 52.53 | p | 71.90 | e | |||||
1997 | 52.98 | h | 54.25 | f | ----- | z | 66.25 | x | 82.17 | s | 85.00 | u | 90.14 | x | 92.36 | x | 84.22 | u | 76.07 | x | 63.44 | u | 45.73 | p | ----- | z |
1998 | 50.00 | i | 49.29 | k | 55.22 | v | 61.90 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.96 | 55.38 | 60.33 | 69.56 | 76.21 | 86.10 | 91.01 | 89.78 | 83.69 | 72.82 | 57.64 | 49.10 | 70.02 | |||||||||||||
S.D. | 1.10 | 3.29 | 2.83 | 2.86 | 2.44 | 2.63 | 2.31 | 2.26 | 1.60 | 2.22 | 3.23 | 2.32 | 0.74 | |||||||||||||
SKEW | -0.40 | -0.12 | -0.87 | 0.24 | -0.06 | -0.25 | -0.20 | 0.73 | -0.09 | 0.34 | 0.28 | 0.00 | 0.55 | |||||||||||||
MAX | 51.45 | 59.34 | 64.35 | 74.78 | 79.82 | 90.15 | 94.02 | 93.77 | 86.40 | 76.79 | 63.73 | 52.87 | 71.17 | |||||||||||||
MIN | 48.06 | 50.96 | 54.17 | 65.52 | 72.74 | 81.68 | 87.40 | 86.74 | 80.80 | 69.48 | 52.50 | 46.10 | 69.26 | |||||||||||||
YRS | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 |