YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.79 | a | 73.42 | 69.87 | 63.83 | 49.74 | 42.40 | 30.52 | 56.65 | e | ||||||
1967 | 31.13 | 36.39 | 48.06 | 60.83 | a | 59.77 | 71.23 | 70.42 | 66.48 | 61.67 | 49.77 | 46.00 | 34.10 | 52.99 | ||||||||||||
1968 | 36.69 | b | 36.72 | 44.23 | 52.87 | 63.90 | a | 69.77 | 69.81 | 70.58 | 61.70 | 56.10 | 41.90 | 32.74 | 53.08 | |||||||||||
1969 | 38.19 | 38.64 | 39.03 | 55.83 | 61.23 | 70.27 | 74.35 | 72.06 | 66.37 | 55.52 | 42.27 | 38.81 | 54.38 | |||||||||||||
1970 | 31.97 | 38.64 | 40.39 | 54.87 | 58.16 | 66.50 | 70.03 | 70.39 | 65.07 | 48.94 | 35.97 | 38.90 | 51.65 | |||||||||||||
1971 | 34.94 | 34.82 | 40.58 | 50.37 | 62.06 | 68.43 | 68.77 | 66.55 | 64.20 | 57.39 | 44.80 | 39.16 | 52.67 | |||||||||||||
1972 | 36.48 | 36.48 | 48.00 | 57.90 | 62.16 | 67.87 | 70.16 | 68.06 | 67.13 | 56.16 | 39.03 | 31.35 | 53.40 | |||||||||||||
1973 | 31.06 | 35.32 | 45.16 | 49.53 | 57.67 | a | 68.07 | 70.52 | 68.16 | 65.17 | 54.71 | 46.13 | 32.26 | 51.98 | ||||||||||||
1974 | 32.55 | 32.18 | 51.29 | 54.33 | 64.26 | 67.20 | 70.35 | 69.23 | a | 59.67 | 54.97 | 42.17 | 34.03 | 52.69 | ||||||||||||
1975 | 34.68 | 35.82 | 40.19 | 48.93 | a | 61.42 | 67.07 | 67.84 | 68.52 | 59.97 | 52.29 | 40.59 | a | 35.17 | a | 51.04 | ||||||||||
1976 | 29.52 | 39.93 | 43.68 | 54.63 | 57.58 | 68.97 | 67.45 | 65.87 | 64.53 | 45.77 | 38.00 | 32.68 | 50.72 | |||||||||||||
1977 | 30.71 | 36.25 | 42.54 | c | 52.17 | 66.03 | 68.17 | 71.43 | a | 74.10 | 67.90 | 55.13 | 42.31 | a | 36.84 | 53.63 | ||||||||||
1978 | 29.23 | 32.39 | 42.48 | 57.17 | 64.32 | 69.27 | 73.60 | a | 69.58 | 65.27 | 52.94 | 47.67 | 32.45 | 53.03 | ||||||||||||
1979 | 27.81 | 33.04 | 44.45 | 53.07 | 58.63 | a | 63.62 | a | 70.37 | a | 67.55 | 59.60 | 49.38 | b | 36.53 | 31.48 | 49.63 | |||||||||
1980 | 32.29 | 32.00 | 41.94 | 49.40 | 63.27 | a | 71.41 | a | 72.65 | 68.03 | b | 64.20 | 48.53 | a | 36.93 | 33.03 | 51.14 | |||||||||
1981 | 34.35 | 34.41 | a | 42.29 | 56.43 | 60.84 | 67.03 | 69.80 | a | 66.80 | a | 62.30 | 53.94 | 38.23 | 31.45 | 51.49 | ||||||||||
1982 | 27.87 | 34.04 | 47.20 | a | 55.19 | c | 61.13 | a | 69.86 | b | 70.52 | 69.55 | 62.56 | c | 49.30 | a | 38.60 | 30.93 | b | 51.39 | ||||||
1983 | 30.10 | a | 34.21 | 43.03 | a | 49.97 | a | 60.68 | 66.83 | 72.23 | a | 70.45 | 66.31 | a | 56.67 | a | 50.65 | g | 28.17 | a | 52.60 | a | ||||
1984 | 31.73 | a | 35.07 | 43.13 | a | 50.21 | a | 62.10 | 69.30 | 69.58 | 69.52 | 60.79 | b | 53.77 | a | 39.70 | 39.33 | a | 52.02 | |||||||
1985 | 27.63 | a | 32.36 | c | 45.61 | 53.04 | b | 62.93 | c | 68.70 | 69.03 | a | 70.06 | 65.43 | 58.19 | j | 47.36 | e | 29.93 | a | 52.01 | a | ||||
1986 | 33.57 | a | 40.40 | c | 46.19 | 59.21 | a | 63.14 | b | ----- | z | 69.71 | g | 70.77 | i | 68.56 | e | 55.29 | c | 42.74 | c | ----- | z | 51.14 | d | |
1987 | 31.70 | h | 36.88 | c | 38.63 | d | 46.75 | b | 59.38 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.41 | h |
1988 | ----- | z | ----- | z | ----- | z | 48.47 | k | 56.68 | f | 67.47 | 69.52 | 69.22 | d | 63.80 | 52.10 | 40.87 | 33.14 | c | 56.59 | e | |||||
1989 | 35.52 | 33.22 | a | ----- | z | 59.00 | u | 66.17 | g | 67.59 | c | 69.94 | 71.32 | c | 66.50 | h | 49.78 | h | 41.86 | a | 27.48 | 49.56 | e | |||
1990 | 35.00 | g | 36.76 | c | 47.17 | a | 52.93 | b | 62.95 | j | 73.97 | 69.94 | 67.57 | c | 63.83 | 46.78 | d | 43.00 | b | 31.86 | b | 53.38 | b | |||
1991 | 33.64 | f | 40.07 | 47.18 | c | 54.77 | 65.90 | 68.63 | 70.68 | c | 70.26 | d | 63.04 | c | 51.81 | d | 37.93 | a | 39.86 | b | 55.47 | a | ||||
1992 | 35.81 | 41.41 | 46.17 | a | 52.73 | 59.63 | d | 68.07 | a | 71.21 | c | 68.29 | 63.85 | d | 53.00 | f | 37.23 | d | 36.60 | f | 54.44 | b | ||||
1993 | 36.40 | f | 38.64 | f | 45.21 | c | 50.88 | e | 60.17 | a | 70.07 | a | 72.96 | e | 73.73 | a | 63.55 | a | 52.12 | e | 36.75 | j | ----- | z | 61.09 | d |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | 63.13 | a | 70.19 | c | 69.90 | a | 70.36 | c | 61.81 | c | 55.04 | f | ----- | z | ----- | z | 67.08 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.45 | 35.90 | 44.15 | 53.36 | 61.58 | 68.60 | 70.61 | 69.34 | 63.78 | 52.46 | 41.21 | 33.57 | 52.17 | |||||||||||||
S.D. | 3.10 | 2.76 | 3.14 | 3.44 | 2.38 | 1.97 | 1.68 | 2.03 | 2.39 | 3.29 | 3.41 | 3.56 | 1.21 | |||||||||||||
SKEW | 0.07 | 0.37 | 0.13 | 0.23 | 0.06 | 0.27 | 0.50 | 0.49 | 0.02 | -0.37 | 0.30 | 0.43 | -0.19 | |||||||||||||
MAX | 38.19 | 41.41 | 51.29 | 60.83 | 66.03 | 73.97 | 74.35 | 74.10 | 68.56 | 57.39 | 47.67 | 39.86 | 54.38 | |||||||||||||
MIN | 27.63 | 32.00 | 38.63 | 46.75 | 57.58 | 63.62 | 67.45 | 65.87 | 59.60 | 45.77 | 35.97 | 27.48 | 49.63 | |||||||||||||
YRS | 22 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 27 | 24 | 25 | 24 | 17 |