YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.69 | b | 73.00 | a | 63.93 | 49.97 | a | 27.03 | 27.87 | a | 52.91 | f | ||
1973 | 30.97 | 37.18 | 40.90 | 46.41 | a | 60.32 | 70.21 | a | 75.48 | 76.03 | 65.73 | 59.87 | 42.30 | 33.23 | 53.22 | |||||||||||
1974 | 30.52 | 35.07 | 46.81 | 48.77 | 66.03 | a | 73.60 | 77.17 | a | 75.52 | 69.80 | 58.37 | a | 41.40 | 30.94 | 54.50 | ||||||||||
1975 | 33.45 | 33.74 | a | 42.00 | 47.90 | 58.32 | 68.87 | 77.23 | 75.32 | 68.07 | a | 59.58 | 41.40 | 36.80 | a | 53.56 | ||||||||||
1976 | 34.29 | 42.69 | 40.48 | 50.50 | 62.23 | 71.07 | 79.53 | a | 74.63 | a | 68.50 | 56.50 | a | 44.57 | 39.87 | 55.41 | ||||||||||
1977 | 31.87 | a | 39.89 | a | 39.57 | a | 54.20 | 62.84 | 78.37 | 78.45 | b | 76.14 | b | ----- | z | 58.66 | b | 45.03 | a | 37.29 | 54.75 | a | ||||
1978 | 32.97 | a | 34.93 | 44.45 | 52.40 | 60.61 | 73.33 | 79.60 | a | 76.70 | a | 70.03 | 62.94 | 43.23 | 27.17 | a | 54.86 | |||||||||
1979 | 24.90 | 34.54 | 40.77 | 48.43 | 59.53 | a | 70.63 | c | 78.61 | 73.81 | 73.43 | 62.10 | 35.57 | 39.81 | 53.51 | |||||||||||
1980 | 34.55 | 39.86 | 38.58 | 47.43 | 57.71 | 75.07 | 80.00 | 77.00 | a | 69.80 | 55.29 | 42.45 | a | 47.17 | b | 55.41 | ||||||||||
1981 | 43.16 | 39.50 | 43.16 | 55.90 | 59.35 | 73.83 | 77.87 | 76.48 | 70.50 | 53.00 | ----- | z | 34.81 | 57.05 | a | |||||||||||
1982 | 30.13 | 34.96 | 41.74 | 46.20 | 58.94 | 69.57 | 75.77 | a | 75.94 | 65.17 | 50.55 | 39.00 | a | 32.57 | a | 51.71 | ||||||||||
1983 | 34.83 | a | 36.32 | 40.16 | 43.17 | 56.00 | a | 66.23 | 75.39 | 76.58 | 69.87 | 58.39 | 42.43 | 27.77 | 52.26 | |||||||||||
1984 | 30.26 | 36.59 | 36.84 | 43.50 | 61.03 | 70.14 | a | 76.35 | 73.94 | 67.70 | 48.35 | 40.77 | 33.73 | a | 51.60 | |||||||||||
1985 | 29.93 | a | 29.39 | 42.48 | 49.73 | 61.48 | 72.00 | 76.68 | 76.90 | 63.87 | 56.03 | 38.79 | a | 33.29 | 52.55 | |||||||||||
1986 | 40.00 | 36.00 | 48.45 | 52.70 | 61.65 | 74.83 | 72.97 | 74.26 | 62.23 | 50.68 | 37.63 | 33.45 | 53.74 | |||||||||||||
1987 | 32.06 | 37.46 | 40.52 | 55.03 | 62.07 | a | 71.97 | 76.43 | a | 71.55 | 68.60 | 62.48 | 41.77 | 30.58 | 54.21 | |||||||||||
1988 | 29.00 | 34.90 | 38.97 | a | 52.33 | 61.40 | a | 75.03 | 79.35 | 76.81 | 66.07 | 62.71 | 38.17 | 30.35 | 53.76 | |||||||||||
1989 | 29.42 | 35.64 | c | 47.52 | 54.73 | 62.23 | 70.30 | 78.90 | 73.87 | 68.20 | 59.45 | 46.29 | b | 30.97 | 54.79 | |||||||||||
1990 | 36.52 | 36.11 | 45.26 | 53.30 | 59.32 | 75.67 | 76.13 | 74.52 | 73.33 | 57.74 | 42.83 | a | 28.13 | 54.90 | ||||||||||||
1991 | 30.77 | 40.54 | 40.84 | 44.77 | 60.60 | a | 70.77 | 74.24 | b | 75.84 | 66.67 | 57.16 | 36.43 | b | 33.35 | 52.66 | ||||||||||
1992 | 33.42 | 38.59 | 43.81 | 53.47 | 63.84 | 68.57 | 73.19 | 75.23 | 67.07 | 59.42 | 32.17 | 30.77 | a | 53.29 | ||||||||||||
1993 | 35.26 | 33.68 | 42.35 | 45.53 | 60.03 | 67.17 | a | 74.48 | 73.16 | 66.60 | 53.29 | 39.23 | 31.90 | 51.89 | ||||||||||||
1994 | 36.40 | a | 34.26 | a | 45.06 | 48.50 | 65.00 | a | 76.00 | 81.13 | a | 77.74 | 69.50 | 53.94 | 38.73 | 35.45 | 55.14 | |||||||||
1995 | 33.84 | 43.07 | a | 43.94 | 46.70 | 54.48 | 70.27 | 73.81 | 77.19 | 69.33 | 56.30 | a | 44.20 | 35.03 | 54.01 | |||||||||||
1996 | 29.42 | 38.10 | 41.19 | 49.03 | a | 62.50 | a | 71.87 | 78.52 | 78.42 | 66.10 | 54.35 | 41.90 | 31.30 | a | 53.56 | ||||||||||
1997 | 31.50 | a | 32.43 | 44.50 | a | 42.30 | 58.70 | a | 71.62 | a | 75.74 | 71.06 | 65.52 | a | 55.17 | b | 38.93 | b | 29.70 | a | 51.43 | |||||
1998 | 32.80 | a | 33.89 | a | 40.61 | 46.30 | 61.65 | 64.13 | 79.16 | 75.03 | ----- | z | ----- | z | ----- | z | ----- | z | 54.20 | d | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.78 | 36.51 | 42.34 | 49.20 | 60.69 | 71.58 | 76.96 | 75.28 | 67.82 | 56.63 | 40.09 | 33.20 | 53.56 | |||||||||||||
S.D. | 3.69 | 3.14 | 2.84 | 3.95 | 2.55 | 3.24 | 2.21 | 1.80 | 2.74 | 4.07 | 4.22 | 4.44 | 1.25 | |||||||||||||
SKEW | 0.75 | 0.23 | 0.37 | 0.05 | -0.27 | -0.13 | -0.06 | -0.57 | 0.12 | -0.27 | -1.29 | 1.23 | -0.20 | |||||||||||||
MAX | 43.16 | 43.07 | 48.45 | 55.90 | 66.03 | 78.37 | 81.13 | 78.42 | 73.43 | 62.94 | 46.29 | 47.17 | 55.41 | |||||||||||||
MIN | 24.90 | 29.39 | 36.84 | 42.30 | 54.48 | 64.13 | 72.97 | 71.06 | 62.23 | 48.35 | 27.03 | 27.17 | 51.43 | |||||||||||||
YRS | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 25 | 26 | 25 | 26 | 23 |