YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.42 | 41.57 | 23.83 | e | 40.27 | i | ||
1968 | 10.95 | 37.40 | 46.81 | b | 50.52 | 62.05 | b | 74.40 | 79.70 | d | 73.45 | l | 63.56 | f | 55.11 | h | 38.09 | b | 23.40 | f | 49.99 | d | ||||
1969 | 28.94 | f | 35.20 | c | 42.15 | k | 54.65 | f | 65.82 | f | 69.34 | a | 79.81 | d | 80.96 | c | 69.54 | b | 48.84 | f | 38.57 | c | 31.80 | d | 57.89 | e |
1970 | 30.14 | b | 39.50 | a | 41.95 | 47.92 | 64.78 | b | 71.66 | b | 79.09 | b | 77.89 | c | 62.48 | e | 45.92 | e | 41.03 | 33.87 | d | 53.02 | ||||
1971 | 32.33 | k | 34.64 | 40.73 | 51.84 | b | 61.50 | c | 74.25 | f | 81.52 | b | 81.30 | a | 63.90 | a | 55.34 | c | 38.83 | c | 25.29 | e | 53.49 | b | ||
1972 | 31.82 | a | 37.39 | a | 49.52 | c | 55.37 | 62.71 | g | 73.50 | b | 81.33 | e | 76.95 | b | 68.15 | f | 55.24 | b | ----- | z | 24.16 | f | 57.64 | d | |
1973 | 6.55 | i | 24.28 | a | 42.78 | b | 49.60 | a | 61.44 | f | 70.15 | d | 78.43 | b | 78.03 | a | 66.00 | b | 55.05 | 40.93 | c | 31.00 | d | 53.62 | b | |
1974 | 19.74 | h | 15.66 | 47.26 | d | 51.07 | 67.18 | 75.16 | a | 80.23 | 76.50 | 68.38 | 56.58 | 40.90 | 29.27 | c | 55.29 | a | ||||||||
1975 | 18.85 | 33.79 | 43.87 | 48.28 | a | 58.60 | b | 67.22 | a | 80.03 | 74.72 | a | 66.55 | 51.97 | 37.88 | 28.03 | a | 50.82 | ||||||||
1976 | 22.38 | a | 40.80 | a | 42.05 | 53.83 | d | 62.84 | i | 70.64 | b | 81.77 | 75.11 | 68.28 | 50.98 | a | 39.05 | 26.37 | 51.93 | a | ||||||
1977 | 23.08 | 37.20 | 40.89 | 56.13 | 61.73 | 77.60 | 79.44 | 78.65 | 69.43 | 54.24 | 40.43 | 33.87 | 54.39 | |||||||||||||
1978 | 31.96 | g | 34.59 | 49.40 | 56.18 | 61.37 | 73.55 | 80.32 | 77.47 | 67.75 | 56.79 | 43.85 | 18.90 | a | 56.38 | a | ||||||||||
1979 | ----- | z | ----- | z | 42.02 | b | 53.80 | ----- | z | 70.63 | 79.40 | 75.97 | 71.13 | 56.97 | 33.45 | a | 24.23 | 56.40 | c | |||||||
1980 | 33.38 | c | 40.78 | 41.66 | 51.97 | 60.21 | 71.14 | a | 80.27 | a | 77.13 | a | 66.88 | a | 52.58 | 39.58 | 37.19 | 54.40 | ||||||||
1981 | 34.89 | 36.61 | 45.11 | 57.58 | 62.30 | a | 77.22 | 81.23 | 77.20 | a | 69.65 | 53.27 | 41.40 | 32.92 | 55.78 | |||||||||||
1982 | 22.79 | c | 35.29 | 45.16 | c | 53.19 | d | 63.38 | c | 71.47 | a | 79.32 | a | 79.27 | a | 68.31 | c | 49.78 | b | 38.95 | 31.94 | 53.24 | ||||
1983 | 31.87 | 38.93 | 45.45 | b | 49.81 | a | 59.20 | a | 69.57 | b | 77.25 | c | 78.07 | a | 69.48 | c | 54.72 | a | 41.45 | a | 31.16 | 53.91 | ||||
1984 | 13.23 | 26.48 | 44.15 | a | 50.84 | a | 66.43 | a | 69.10 | d | 78.40 | a | 76.31 | 68.41 | b | 50.95 | a | 39.95 | a | 33.62 | a | 51.49 | ||||
1985 | 30.16 | 31.77 | 45.21 | 55.12 | a | 64.19 | 74.63 | 80.38 | a | 77.68 | 64.77 | f | 54.10 | b | 41.77 | b | 32.88 | b | 53.45 | a | ||||||
1986 | 33.85 | a | 43.02 | 50.05 | a | 54.78 | a | 63.00 | c | 75.04 | b | 77.41 | d | 78.75 | a | 63.61 | c | 52.26 | b | 41.90 | 32.62 | a | 55.52 | |||
1987 | 28.50 | 37.29 | 42.24 | 55.28 | 63.44 | 74.04 | b | 75.79 | c | 75.22 | a | 66.55 | a | 55.95 | a | 40.17 | 28.29 | b | 53.56 | |||||||
1988 | 15.33 | b | 21.41 | 42.35 | a | 53.90 | 62.11 | c | 77.82 | b | 80.98 | a | 78.68 | 64.34 | b | 58.45 | a | 41.02 | a | 27.06 | 51.95 | |||||
1989 | 10.05 | 27.60 | b | 49.22 | a | 59.46 | c | 66.93 | a | 73.32 | 82.03 | b | 76.76 | b | 68.48 | a | 55.31 | 41.42 | 28.68 | 53.27 | ||||||
1990 | 28.95 | 38.57 | 48.93 | a | 59.14 | b | 63.06 | 75.48 | a | 81.63 | a | 77.92 | 72.91 | b | 54.23 | 40.09 | a | 24.71 | 55.47 | |||||||
1991 | 17.58 | 28.27 | 45.27 | 51.68 | 63.13 | a | 72.57 | 79.56 | 78.88 | b | 68.62 | a | 56.43 | c | 40.33 | 28.48 | b | 52.57 | ||||||||
1992 | 17.05 | a | 34.55 | 49.62 | a | 60.50 | 66.95 | a | 72.25 | 77.10 | 78.40 | b | 68.45 | a | 57.53 | a | 38.47 | a | 23.85 | a | 53.73 | |||||
1993 | 31.84 | 38.39 | 48.44 | 52.70 | 64.53 | 70.84 | a | 76.02 | a | 75.30 | c | 66.77 | 53.82 | c | 36.66 | a | 31.02 | 53.86 | ||||||||
1994 | 32.27 | 35.71 | 47.23 | c | 55.07 | b | 66.53 | b | 75.92 | 83.06 | 82.98 | a | 70.24 | a | 55.50 | c | 38.45 | b | 32.98 | 56.33 | ||||||
1995 | 34.21 | c | 43.58 | b | 47.63 | a | 52.34 | b | 60.05 | a | 69.38 | b | 77.52 | a | 79.61 | 70.68 | b | ----- | z | 44.00 | a | 35.74 | 55.89 | a | ||
1996 | 32.77 | a | 41.40 | 48.87 | 55.07 | b | 66.98 | 74.91 | a | 82.10 | a | 79.00 | 65.75 | 53.55 | a | 41.02 | b | 32.53 | a | 56.16 | ||||||
1997 | 31.71 | b | 36.50 | 46.90 | 50.13 | c | 65.06 | 73.30 | 77.95 | a | 76.29 | 68.03 | a | 53.11 | 39.97 | a | 29.50 | a | 54.04 | |||||||
1998 | 34.66 | 38.93 | 45.15 | 51.53 | 61.97 | 69.85 | 80.71 | 79.24 | 71.00 | a | 53.83 | a | 42.00 | 28.10 | a | 54.75 | ||||||||||
1999 | 33.81 | 38.94 | a | 47.76 | 51.45 | 62.27 | a | 72.07 | 79.29 | 75.22 | k | 65.02 | b | 53.48 | 41.18 | 29.79 | 52.28 | a | ||||||||
2000 | 32.76 | b | 41.31 | 45.85 | 57.88 | a | 66.15 | a | 74.83 | 80.29 | ----- | z | 68.24 | a | 53.85 | a | 33.72 | a | 31.74 | 53.33 | a | |||||
2001 | 28.93 | k | 37.15 | a | 48.31 | b | 56.88 | a | 66.56 | 76.53 | a | 80.50 | 78.16 | 69.26 | a | 54.43 | a | 44.21 | b | 29.63 | a | 58.33 | a | |||
2002 | 29.22 | b | 34.23 | 44.48 | b | 59.07 | a | 64.41 | b | 75.08 | 81.55 | a | 72.58 | 62.65 | c | 50.95 | 39.53 | 33.82 | 53.97 | |||||||
2003 | 35.98 | 37.89 | a | 48.08 | a | 52.38 | a | 62.44 | 70.88 | a | 78.66 | b | 73.23 | c | 61.75 | x | 55.83 | b | 41.56 | c | 31.96 | f | 55.69 | b | ||
2004 | 21.37 | e | 32.20 | a | 49.94 | d | 54.79 | d | 62.98 | f | 73.11 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.57 | h |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.85 | 35.20 | 45.84 | 53.81 | 63.50 | 72.89 | 79.72 | 77.58 | 67.71 | 54.07 | 40.09 | 29.84 | 53.92 | |||||||||||||
S.D. | 7.91 | 6.05 | 2.90 | 3.22 | 2.44 | 2.71 | 1.75 | 2.17 | 2.53 | 2.47 | 2.32 | 3.95 | 1.48 | |||||||||||||
SKEW | -0.79 | -1.39 | -0.22 | 0.23 | -0.07 | -0.00 | -0.42 | -0.02 | -0.37 | -1.04 | -0.95 | -0.61 | -0.24 | |||||||||||||
MAX | 35.98 | 43.58 | 50.05 | 60.50 | 67.18 | 77.82 | 83.06 | 82.98 | 72.91 | 58.45 | 44.21 | 37.19 | 56.33 | |||||||||||||
MIN | 10.05 | 15.66 | 40.73 | 47.92 | 58.60 | 67.22 | 75.79 | 72.58 | 62.48 | 45.92 | 33.45 | 18.90 | 50.82 | |||||||||||||
YRS | 30 | 36 | 36 | 36 | 31 | 35 | 36 | 33 | 32 | 34 | 36 | 34 | 21 |