YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.06 | 45.27 | 41.32 | 44.22 | i | |||
1984 | 39.90 | 40.62 | 42.71 | 41.33 | 44.42 | 48.03 | 50.29 | 51.00 | 48.03 | 45.61 | 43.23 | 36.74 | 44.33 | |||||||||||||
1985 | 37.00 | 36.89 | 37.97 | 42.90 | 44.61 | 48.10 | 51.84 | 50.37 | a | 48.40 | 43.64 | c | 36.93 | a | 36.23 | a | 42.91 | |||||||||
1986 | 42.69 | b | 42.45 | f | 43.32 | 40.89 | b | 45.34 | b | 49.24 | a | 50.83 | a | 50.32 | 47.27 | 46.26 | 42.40 | 37.13 | 45.06 | a | ||||||
1987 | 36.23 | 38.32 | 40.10 | a | 41.10 | 46.74 | 48.10 | 50.13 | 49.48 | 47.77 | 45.16 | 41.97 | 35.62 | b | 43.39 | |||||||||||
1988 | 36.57 | a | 36.26 | b | 36.00 | 41.53 | 44.26 | 48.17 | 50.16 | 48.65 | 47.13 | 48.81 | d | 42.93 | 37.13 | 43.13 | ||||||||||
1989 | 36.52 | 33.96 | 43.41 | d | 42.93 | b | 44.42 | 49.00 | a | 52.06 | 52.35 | 44.86 | b | 42.58 | 39.53 | 36.90 | 43.21 | |||||||||
1990 | 38.47 | a | 35.79 | 39.68 | 42.34 | a | 44.23 | 47.52 | c | 50.81 | 51.97 | a | 50.23 | 42.10 | 40.52 | a | 30.90 | 42.88 | ||||||||
1991 | 35.68 | 42.59 | a | 35.87 | 40.50 | 42.65 | 45.76 | a | 48.00 | 52.55 | 48.27 | 44.74 | 43.45 | a | 37.84 | 43.16 | ||||||||||
1992 | 40.52 | 42.31 | 42.42 | 44.80 | 44.60 | a | 49.60 | 52.03 | a | 49.35 | 47.43 | 46.19 | 43.03 | 38.61 | 45.08 | |||||||||||
1993 | 35.70 | a | 37.07 | 44.70 | a | 44.37 | 48.10 | 49.63 | 51.39 | 52.07 | a | 47.80 | 46.76 | b | 36.57 | 37.55 | 44.31 | |||||||||
1994 | 39.71 | 37.57 | 39.13 | 42.70 | 46.47 | a | ----- | z | 51.35 | 52.06 | 52.27 | 43.81 | 37.17 | 37.07 | a | 43.57 | a | |||||||||
1995 | 41.19 | 43.22 | a | 39.00 | 40.97 | 47.29 | 49.23 | 54.52 | 50.65 | ----- | z | ----- | z | ----- | z | ----- | z | 45.76 | d | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.35 | 38.60 | 40.36 | 42.20 | 45.26 | 48.40 | 51.12 | 50.90 | 48.13 | 45.14 | 41.08 | 36.92 | 43.60 | |||||||||||||
S.D. | 2.39 | 3.11 | 2.95 | 1.39 | 1.57 | 1.13 | 1.55 | 1.31 | 1.87 | 1.90 | 2.91 | 2.37 | 0.78 | |||||||||||||
SKEW | 0.42 | 0.27 | -0.12 | 0.62 | 0.36 | -1.02 | 0.22 | -0.28 | 0.69 | 0.08 | -0.44 | -0.92 | 0.85 | |||||||||||||
MAX | 42.69 | 43.22 | 44.70 | 44.80 | 48.10 | 49.63 | 54.52 | 52.55 | 52.27 | 48.81 | 45.27 | 41.32 | 45.08 | |||||||||||||
MIN | 35.68 | 33.96 | 35.87 | 40.50 | 42.65 | 45.76 | 48.00 | 48.65 | 44.86 | 42.10 | 36.57 | 30.90 | 42.88 | |||||||||||||
YRS | 12 | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 11 | 12 | 12 | 12 | 9 |