YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1997 | 31.30 | d | 33.90 | c | 42.36 | b | 44.42 | d | 59.48 | e | 65.88 | a | 70.52 | d | 70.23 | c | 64.26 | a | 48.77 | e | 36.93 | c | 27.48 | c | 49.63 | |
1998 | 32.75 | e | 33.95 | f | 39.77 | c | 44.48 | b | 56.10 | f | 62.12 | d | 74.54 | e | 72.96 | c | 66.37 | d | 51.56 | d | 39.54 | f | 28.10 | e | 52.52 | c |
1999 | 31.94 | e | 34.83 | e | 44.67 | a | 45.37 | d | 55.94 | d | 64.39 | c | 74.52 | a | 70.58 | a | 61.32 | b | 49.91 | c | 40.10 | a | 27.94 | d | 50.13 | |
2000 | 30.26 | f | 37.35 | f | 41.36 | c | 51.37 | g | 60.54 | c | 69.29 | a | 74.63 | a | 75.22 | a | 64.52 | c | 52.55 | a | 33.10 | e | 30.68 | c | 55.76 | c |
2001 | 28.88 | c | 33.96 | e | 43.63 | 50.00 | b | 61.33 | a | 68.59 | a | 75.27 | 72.66 | b | 65.82 | 51.54 | h | 43.60 | d | 27.10 | f | 54.37 | b | |||
2002 | 26.24 | h | 30.00 | d | 38.22 | d | 53.15 | c | 58.70 | a | 69.61 | b | 77.05 | b | 70.39 | c | 63.37 | d | 48.97 | a | 37.48 | d | 30.34 | f | 54.69 | b |
2003 | 33.91 | c | 33.48 | d | 41.14 | b | 48.25 | d | 60.34 | c | 67.80 | 78.71 | 75.89 | d | 62.19 | c | 55.57 | d | 37.81 | f | 29.14 | j | 55.73 | b | ||
2004 | 25.70 | i | 32.02 | e | 47.59 | b | 50.64 | b | 57.95 | c | 67.38 | 73.07 | b | 69.71 | 61.52 | 52.21 | 38.77 | 29.63 | a | 52.77 | a | |||||
2005 | 36.92 | 37.18 | 39.82 | 46.86 | a | 53.50 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.20 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.62 | 33.62 | 42.06 | 47.90 | 59.18 | 66.88 | 74.79 | 72.21 | 63.67 | 51.36 | 38.33 | 28.77 | 49.88 | |||||||||||||
S.D. | 2.70 | 2.24 | 2.88 | 3.18 | 1.83 | 2.60 | 2.45 | 2.37 | 1.90 | 2.40 | 3.50 | 1.34 | 0.35 | |||||||||||||
SKEW | 0.30 | -0.08 | 0.61 | 0.36 | -0.64 | -0.74 | -0.11 | 0.51 | 0.09 | 0.56 | 0.03 | 0.54 | 0.00 | |||||||||||||
MAX | 36.92 | 37.18 | 47.59 | 53.15 | 61.33 | 69.61 | 78.71 | 75.89 | 66.37 | 55.57 | 43.60 | 30.68 | 50.13 | |||||||||||||
MIN | 28.88 | 30.00 | 38.22 | 44.42 | 55.94 | 62.12 | 70.52 | 69.71 | 61.32 | 48.77 | 33.10 | 27.48 | 49.63 | |||||||||||||
YRS | 6 | 7 | 9 | 8 | 7 | 8 | 8 | 8 | 8 | 7 | 6 | 5 | 2 |