YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.61 | c | 48.21 | b | 36.97 | 23.93 | 15.94 | 36.93 | g | |||
1989 | 17.48 | 16.07 | a | 26.81 | 36.27 | 50.23 | 54.73 | 58.87 | 59.03 | 47.80 | 35.45 | 22.83 | 10.97 | 36.38 | ||||||||||||
1990 | 15.26 | 21.25 | 26.77 | 36.40 | 43.42 | 58.33 | 59.58 | 57.36 | c | 53.30 | 36.55 | 27.41 | c | 11.61 | 37.27 | |||||||||||
1991 | 17.35 | 21.43 | 28.45 | 37.17 | 46.90 | 56.70 | 59.00 | a | 60.00 | a | 50.67 | 35.81 | 23.67 | 19.86 | c | 38.08 | ||||||||||
1992 | 20.52 | 23.66 | 27.35 | 39.33 | 46.84 | 52.30 | 58.65 | 56.81 | 50.33 | 38.00 | v | 20.70 | j | 16.63 | a | 39.24 | b | |||||||||
1993 | 18.35 | 21.26 | a | 27.00 | 35.14 | b | 47.20 | a | 55.67 | 61.68 | 59.71 | 48.05 | k | 34.19 | 21.80 | 17.60 | a | 36.33 | a | |||||||
1994 | 16.29 | 15.75 | 27.35 | 34.90 | 49.42 | 59.67 | 58.97 | 59.84 | 50.83 | 38.29 | 27.55 | a | 21.13 | 38.33 | ||||||||||||
1995 | 20.13 | 24.40 | h | 27.26 | 31.77 | 43.26 | 53.10 | 57.13 | a | 61.65 | 51.82 | b | 33.58 | 25.41 | a | 20.19 | 38.66 | a | ||||||||
1996 | 13.45 | 19.66 | 22.48 | 34.90 | 49.61 | 58.03 | 61.16 | 59.29 | 49.45 | a | 37.13 | 26.93 | a | 16.84 | 37.41 | |||||||||||
1997 | 16.77 | 20.68 | 25.28 | b | 31.28 | a | 46.00 | 56.40 | 59.12 | g | 59.61 | 54.63 | 38.81 | 24.61 | b | 17.67 | a | 35.61 | a | |||||||
1998 | 20.52 | 26.57 | 25.97 | a | 32.43 | 47.54 | c | 54.70 | 62.06 | 58.25 | c | 54.24 | a | 41.73 | a | 29.50 | 17.58 | 39.26 | ||||||||
1999 | 19.94 | 22.11 | 26.90 | 34.47 | 44.52 | 54.45 | a | 60.77 | 58.74 | 50.55 | a | 35.61 | 26.80 | 17.81 | 37.72 | |||||||||||
2000 | 18.13 | a | 22.38 | 28.24 | b | 35.48 | a | 47.77 | 58.37 | 61.58 | 60.13 | a | 50.90 | a | 42.35 | 21.31 | a | 15.60 | a | 38.52 | ||||||
2001 | 17.00 | 22.39 | 27.83 | a | 35.48 | a | 46.93 | c | 55.66 | a | 61.84 | 58.52 | b | 50.25 | b | 35.94 | 32.83 | 19.03 | a | 38.64 | ||||||
2002 | 16.11 | d | 18.25 | 18.87 | 38.80 | 44.60 | a | 60.07 | a | 61.39 | 58.87 | a | 52.50 | b | 36.86 | b | 27.52 | e | 17.34 | b | 37.60 | |||||
2003 | 21.36 | c | 19.76 | c | 25.03 | 34.64 | b | 44.63 | a | 54.77 | 60.50 | c | 60.21 | c | 48.97 | a | 40.53 | a | 27.62 | a | 19.15 | k | 39.82 | a | ||
2004 | 17.18 | c | 16.59 | b | 30.97 | 36.76 | a | 47.07 | b | 55.25 | b | 59.13 | 57.00 | f | 50.90 | 38.63 | a | 27.19 | i | 18.59 | b | 37.11 | b | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.87 | 20.52 | 26.41 | 35.33 | 46.62 | 56.14 | 60.15 | 59.23 | 50.96 | 37.40 | 25.98 | 17.15 | 37.92 | |||||||||||||
S.D. | 2.17 | 2.96 | 2.70 | 2.23 | 2.12 | 2.25 | 1.49 | 1.17 | 1.96 | 2.52 | 3.06 | 2.74 | 0.82 | |||||||||||||
SKEW | -0.10 | 0.00 | -1.32 | -0.12 | 0.01 | 0.21 | -0.36 | -0.23 | 0.34 | 0.55 | 0.39 | -0.98 | -0.23 | |||||||||||||
MAX | 21.36 | 26.57 | 30.97 | 39.33 | 50.23 | 60.07 | 62.06 | 61.65 | 54.63 | 42.35 | 32.83 | 21.13 | 39.26 | |||||||||||||
MIN | 13.45 | 15.75 | 18.87 | 31.28 | 43.26 | 52.30 | 57.13 | 56.81 | 47.80 | 33.58 | 21.31 | 10.97 | 36.38 | |||||||||||||
YRS | 16 | 15 | 16 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 16 | 10 |