YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | 62.50 | f | 76.32 | 81.30 | 89.16 | f | 86.89 | d | 79.83 | a | 63.55 | b | 52.71 | b | 34.13 | 67.82 | e | |||
1967 | 39.03 | b | 44.63 | a | 53.29 | 58.90 | 66.97 | 74.87 | 87.68 | 87.41 | b | 78.93 | a | 68.57 | c | 52.37 | 31.71 | 62.03 | ||||||||
1968 | 34.77 | a | 43.03 | 52.03 | a | 54.22 | c | 67.67 | a | 81.81 | c | 88.28 | b | 79.47 | a | 75.69 | a | 66.04 | c | 46.19 | c | 37.90 | 60.59 | |||
1969 | 42.63 | a | 39.64 | c | 42.76 | b | 62.76 | a | 77.46 | c | 75.41 | c | 89.41 | b | 89.57 | c | 78.77 | 53.45 | 49.96 | d | 42.29 | 62.01 | ||||
1970 | 39.45 | b | 48.18 | 46.21 | b | 56.20 | e | 72.03 | 79.27 | 87.21 | b | 89.96 | e | 73.47 | 58.42 | 50.07 | 38.77 | a | 61.60 | |||||||
1971 | 38.77 | 40.96 | 49.58 | 60.80 | 67.39 | 81.90 | 89.39 | 91.14 | b | 72.81 | c | 61.43 | a | 43.47 | 34.61 | 61.02 | ||||||||||
1972 | 38.84 | 46.03 | 59.19 | 61.07 | 72.71 | 82.23 | 87.62 | e | 86.85 | d | 75.17 | a | 64.43 | h | 44.93 | a | 31.75 | c | 62.40 | a | ||||||
1973 | 31.07 | b | 38.67 | a | 46.47 | a | 54.23 | 71.29 | c | 82.18 | b | 85.67 | d | 86.73 | a | 74.24 | e | 68.41 | i | 46.32 | e | 38.70 | d | 59.60 | a | |
1974 | 32.67 | g | 41.58 | b | 54.40 | f | 61.25 | f | 72.74 | l | ----- | z | 88.25 | o | ----- | z | 79.37 | c | 66.90 | 49.93 | 38.39 | 55.23 | g | |||
1975 | 38.32 | 42.41 | a | 48.52 | 54.23 | 65.55 | 76.36 | b | 89.03 | 85.19 | 78.30 | 64.52 | 49.37 | 42.00 | 61.15 | |||||||||||
1976 | 40.61 | 44.38 | 47.55 | 61.53 | 73.32 | 80.77 | 91.48 | 86.26 | 79.40 | 65.90 | a | 55.43 | 44.94 | 64.30 | ||||||||||||
1977 | 42.32 | 51.36 | 50.23 | 66.17 | 71.35 | 88.43 | 88.52 | 85.10 | 79.00 | 68.48 | 51.77 | 44.45 | 65.60 | |||||||||||||
1978 | 40.87 | 44.54 | 54.97 | 62.60 | 68.32 | 83.33 | 91.26 | 86.87 | 79.67 | 72.26 | 49.30 | 32.52 | 63.88 | |||||||||||||
1979 | 28.94 | 41.07 | 50.06 | 61.50 | 70.16 | 83.90 | 91.16 | 85.90 | 84.60 | 68.20 | a | 42.17 | 40.65 | 62.36 | ||||||||||||
1980 | 34.71 | 41.55 | 47.90 | 62.10 | 68.00 | 85.87 | 90.65 | 86.77 | 78.97 | 66.13 | a | 53.20 | 49.19 | 63.75 | ||||||||||||
1981 | 47.42 | 49.79 | 53.71 | 68.40 | 68.71 | 85.60 | 90.58 | 89.42 | 81.60 | 61.06 | 53.10 | 44.45 | 66.15 | |||||||||||||
1982 | 38.87 | 42.75 | 52.37 | a | 59.20 | 69.61 | 79.76 | a | 88.18 | c | 88.96 | d | 74.15 | d | 61.88 | e | 43.79 | a | 37.83 | b | 61.45 | |||||
1983 | 43.52 | d | 45.30 | a | 49.90 | b | 53.97 | 66.11 | c | 77.88 | e | 87.73 | a | 89.07 | a | 80.15 | d | 67.93 | c | 47.15 | d | 31.93 | c | 61.72 | ||
1984 | 27.77 | a | 38.61 | a | 47.71 | 56.07 | b | 74.19 | 78.83 | a | 88.97 | 86.58 | 77.90 | a | 57.65 | 51.00 | a | 38.34 | b | 60.30 | ||||||
1985 | 33.23 | 37.75 | 50.48 | 66.14 | a | 74.42 | 83.93 | c | 88.67 | a | 88.67 | a | 74.31 | a | 66.33 | a | 46.73 | 42.50 | a | 62.76 | ||||||
1986 | 44.87 | 48.67 | a | 59.42 | 61.41 | a | 71.33 | a | 86.27 | 85.71 | c | 88.52 | 72.30 | c | 64.62 | b | 51.35 | d | 44.11 | d | 64.88 | |||||
1987 | 40.57 | a | 47.27 | b | 51.70 | a | 70.18 | b | 74.48 | 85.59 | c | 87.35 | 86.07 | b | 82.07 | b | 70.77 | a | 51.08 | d | 41.00 | e | 65.68 | |||
1988 | 36.23 | a | 48.89 | b | 51.70 | a | 67.40 | 75.06 | 90.96 | f | 92.65 | 90.55 | b | 78.38 | a | 73.52 | 49.45 | a | 39.23 | 63.91 | a | |||||
1989 | 38.30 | a | 31.86 | 56.87 | 67.20 | 75.68 | 82.67 | 94.97 | a | 86.20 | f | 80.76 | e | 67.28 | b | 54.33 | 36.65 | 62.41 | a | |||||||
1990 | 42.25 | c | 43.75 | 55.66 | b | 67.87 | 68.87 | a | 86.37 | 90.13 | 89.35 | 84.27 | 66.48 | 51.63 | 32.43 | a | 64.92 | |||||||||
1991 | 32.55 | 46.25 | 51.23 | 59.23 | 72.32 | 84.00 | 89.52 | 87.77 | 79.24 | a | 69.13 | 46.07 | 37.77 | 62.92 | ||||||||||||
1992 | 40.23 | 48.03 | 57.97 | a | 71.10 | a | 76.74 | 83.46 | b | 85.52 | 87.70 | a | 80.07 | a | 70.07 | a | 43.30 | 38.33 | a | 65.21 | ||||||
1993 | 35.86 | b | 39.15 | b | 53.94 | 60.20 | 73.94 | 79.83 | a | 85.32 | 85.16 | 78.52 | c | 63.67 | a | 44.47 | 40.74 | 61.73 | ||||||||
1994 | 45.19 | 44.15 | a | 59.71 | 64.57 | 79.58 | 88.00 | 91.84 | 91.57 | a | 81.47 | 62.10 | a | 44.27 | 42.06 | 66.21 | ||||||||||
1995 | 40.61 | 50.83 | d | 54.74 | 60.40 | 63.74 | 78.70 | 87.03 | 90.00 | 80.93 | a | 65.52 | 57.17 | 47.67 | a | 64.78 | ||||||||||
1996 | 40.48 | 49.45 | 55.48 | 64.57 | 74.84 | 85.77 | 91.90 | 89.61 | 76.30 | 69.35 | 53.63 | 44.75 | c | 66.35 | ||||||||||||
1997 | 39.35 | 43.96 | 52.81 | 56.10 | 75.30 | k | 83.73 | d | 89.81 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.96 | f | |||||
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.59 | 44.02 | 52.14 | 61.68 | 71.61 | 82.27 | 89.11 | 87.69 | 78.41 | 65.56 | 49.22 | 39.41 | 63.33 | |||||||||||||
S.D. | 4.66 | 4.42 | 4.21 | 4.95 | 3.93 | 3.57 | 2.30 | 2.42 | 3.15 | 4.44 | 3.99 | 4.74 | 1.95 | |||||||||||||
SKEW | -0.54 | -0.46 | 0.02 | 0.09 | -0.04 | -0.33 | 0.34 | -1.15 | -0.23 | -0.69 | -0.06 | -0.00 | 0.11 | |||||||||||||
MAX | 47.42 | 51.36 | 59.71 | 71.10 | 79.58 | 88.43 | 94.97 | 91.57 | 84.60 | 73.52 | 57.17 | 49.19 | 66.35 | |||||||||||||
MIN | 27.77 | 31.86 | 42.76 | 53.97 | 63.74 | 74.87 | 85.32 | 79.47 | 72.30 | 53.45 | 42.17 | 31.71 | 60.30 | |||||||||||||
YRS | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 31 | 29 | 31 | 31 | 25 |