YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.16 | 54.90 | 44.35 | a | 33.34 | b | 24.34 | b | 43.82 | g | ||
1949 | 13.81 | b | 28.96 | 37.39 | 48.02 | a | 54.97 | a | 57.25 | 62.77 | 62.19 | b | 56.02 | a | 41.94 | 38.90 | a | 30.28 | a | 44.37 | ||||||
1950 | 14.21 | 29.05 | 35.18 | ----- | z | 47.52 | 56.76 | a | 65.48 | 64.74 | 56.93 | 48.15 | a | 37.25 | 37.08 | a | 44.76 | a | ||||||||
1951 | 28.85 | 34.02 | 39.00 | 49.35 | 53.52 | 56.90 | a | 64.39 | 63.10 | 57.58 | 45.48 | 36.07 | 27.63 | 46.32 | ||||||||||||
1952 | 26.18 | 33.34 | 37.47 | 49.76 | a | 54.24 | 57.90 | e | 65.32 | c | 63.76 | 59.23 | 51.48 | 30.97 | 31.45 | 46.76 | ||||||||||
1953 | 38.74 | 35.05 | 39.23 | 45.07 | a | 50.11 | 53.66 | a | 64.29 | 63.37 | 59.48 | 48.90 | 41.12 | 34.27 | 47.77 | |||||||||||
1954 | 30.12 | b | 34.21 | 36.37 | 45.52 | a | 54.32 | c | 54.92 | 64.87 | 60.02 | 55.37 | 46.06 | 41.13 | 30.40 | 46.11 | ||||||||||
1955 | 29.62 | c | 31.89 | a | 33.08 | 41.33 | 50.03 | b | 59.59 | a | 62.98 | a | 63.47 | a | 56.12 | 48.03 | a | 30.28 | a | 29.82 | a | 44.69 | ||||
1956 | 30.56 | e | 27.44 | b | 37.40 | a | 48.52 | 55.31 | 57.16 | a | 67.63 | 64.66 | 58.17 | a | 46.31 | 32.28 | a | 32.37 | 46.48 | |||||||
1957 | 17.17 | a | 31.59 | a | 39.00 | 46.38 | 55.37 | 59.93 | 63.61 | 60.53 | 58.70 | 45.17 | b | 34.22 | a | 35.35 | 45.59 | |||||||||
1958 | 32.40 | 41.50 | 38.87 | 43.91 | b | 58.00 | 62.66 | a | 67.47 | 67.32 | 55.93 | 48.56 | 36.53 | o | 35.87 | a | 50.23 | a | ||||||||
1959 | 32.37 | a | 33.20 | 39.56 | d | 47.03 | a | 49.98 | 59.23 | 66.17 | a | 60.90 | 54.62 | 47.73 | a | 33.88 | 30.83 | a | 46.29 | |||||||
1960 | 25.85 | 33.48 | 39.53 | 47.42 | 51.26 | 59.17 | 67.87 | 61.00 | 57.30 | 47.95 | 37.27 | 28.50 | 46.38 | |||||||||||||
1961 | 31.81 | 38.98 | 40.52 | 45.77 | 52.79 | 64.02 | 66.69 | 68.77 | 53.38 | 45.89 | 32.93 | 31.77 | 47.78 | |||||||||||||
1962 | 29.39 | 34.55 | 38.24 | 49.37 | 49.53 | 58.00 | 63.02 | 61.71 | 56.97 | 46.97 | 39.15 | 34.63 | 46.79 | |||||||||||||
1963 | 23.82 | 37.98 | 40.87 | 43.87 | 53.52 | a | 58.52 | a | 61.24 | 64.24 | 61.85 | 50.53 | 38.90 | 29.81 | b | 47.10 | ||||||||||
1964 | 33.06 | 33.98 | 37.37 | 43.62 | 50.72 | a | 57.77 | 63.82 | 60.42 | 54.95 | 47.32 | 35.38 | 30.47 | a | 45.74 | |||||||||||
1965 | 32.07 | a | 35.70 | 37.52 | 47.90 | 51.48 | 59.03 | 65.69 | 64.39 | 52.98 | 51.45 | 40.82 | 31.10 | 47.51 | ||||||||||||
1966 | 32.00 | 33.18 | 38.85 | 46.98 | 54.48 | 57.00 | 62.58 | 63.40 | 60.30 | 47.29 | 39.70 | 36.08 | 47.65 | |||||||||||||
1967 | 35.81 | 37.41 | 38.79 | 41.38 | 52.65 | 61.45 | 66.66 | 69.07 | a | 62.20 | c | 48.79 | b | 37.30 | 30.87 | a | 48.53 | |||||||||
1968 | 32.40 | 38.23 | a | 43.90 | 44.00 | a | 52.65 | 59.53 | 67.03 | a | 61.32 | 56.40 | 45.40 | 37.43 | b | 29.66 | 47.33 | |||||||||
1969 | 21.10 | a | 32.48 | 38.35 | a | 46.06 | c | 55.82 | a | 63.58 | 64.67 | a | 64.43 | b | 59.38 | 44.22 | b | 36.48 | c | 31.38 | a | 46.50 | ||||
1970 | 30.08 | 36.87 | a | 38.89 | 40.76 | c | 53.26 | 64.02 | a | 67.33 | a | 65.36 | b | 52.68 | b | 45.83 | a | 37.92 | 31.19 | 47.02 | ||||||
1971 | 33.95 | a | 35.68 | 36.15 | 45.32 | 53.74 | 56.00 | 65.57 | c | 68.14 | b | 52.58 | 43.85 | a | 37.63 | 30.66 | 46.61 | |||||||||
1972 | 29.65 | 33.03 | 43.56 | 43.56 | d | 55.13 | 60.60 | 62.69 | e | 66.55 | b | 53.90 | a | 45.91 | b | 38.52 | 27.15 | a | 46.69 | |||||||
1973 | 28.74 | 35.11 | 40.98 | 45.22 | c | 55.81 | b | 59.31 | f | 66.37 | e | 63.85 | 57.10 | 46.40 | a | 35.20 | 35.15 | 46.36 | a | |||||||
1974 | 25.73 | 36.25 | 40.31 | 45.52 | b | 50.39 | 62.25 | 64.21 | 64.53 | 58.68 | k | 48.32 | a | 39.52 | 34.47 | 46.50 | a | |||||||||
1975 | 30.97 | 31.50 | b | 36.88 | a | 40.97 | a | 52.12 | a | 57.46 | b | ----- | z | 62.76 | b | 58.40 | 48.18 | 37.28 | c | 35.72 | o | 45.65 | b | |||
1976 | ----- | z | 38.92 | q | ----- | z | ----- | z | ----- | z | ----- | z | 67.86 | q | 62.48 | f | 61.25 | d | ----- | z | 38.44 | d | 31.40 | b | 43.70 | i |
1977 | 24.40 | 36.64 | 37.95 | 50.25 | 49.83 | d | 63.23 | 63.95 | 67.29 | 54.50 | ----- | z | ----- | z | 31.58 | e | 47.96 | b | ||||||||
1978 | 32.16 | 35.92 | i | 42.59 | b | 46.02 | a | 51.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.07 | h | ----- | z | 42.95 | h | ||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 53.73 | 61.25 | 67.25 | a | 64.77 | 61.42 | 49.48 | 32.20 | 35.02 | 53.14 | d | |||||||
1980 | 25.19 | 34.40 | 39.05 | 50.10 | 52.26 | 57.98 | a | 65.00 | a | 60.84 | 56.57 | 49.19 | 37.40 | 32.38 | o | 48.00 | a | |||||||||
1981 | 25.74 | l | 35.84 | c | 44.02 | i | 44.80 | ----- | z | ----- | z | ----- | z | 67.52 | c | 57.55 | 45.92 | 39.67 | 33.90 | 46.46 | e | |||||
1982 | 30.95 | b | 32.59 | 39.67 | a | 44.25 | 52.52 | a | 61.70 | b | 63.12 | c | 65.85 | 56.66 | a | 46.94 | 33.60 | a | 31.08 | a | 46.58 | |||||
1983 | 35.82 | 39.85 | a | 43.69 | 45.92 | 54.35 | a | 58.53 | 63.05 | 67.23 | a | 54.96 | b | 48.10 | b | ----- | z | ----- | z | 51.15 | b | |||||
1984 | 36.58 | y | 34.52 | 41.58 | 44.92 | 50.05 | a | 56.78 | a | 65.52 | b | 66.15 | g | 55.39 | c | 44.16 | 37.53 | 27.05 | a | 45.75 | b | |||||
1985 | 23.03 | 29.66 | 37.03 | 48.75 | b | 54.57 | b | 59.79 | b | 68.66 | 61.76 | b | 51.93 | 46.07 | c | 25.12 | 20.32 | 43.89 | ||||||||
1986 | 33.86 | c | 34.23 | 44.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.11 | 36.25 | 29.93 | a | 37.87 | f | ||||
1987 | 27.59 | b | 34.93 | 41.77 | 52.89 | b | 56.15 | a | 61.97 | 63.89 | 63.72 | a | 60.64 | a | 48.95 | a | 39.25 | 31.18 | 48.58 | |||||||
1988 | 26.48 | j | 35.93 | a | 41.13 | 48.77 | 53.03 | b | 59.98 | b | 66.09 | d | 65.36 | b | 59.82 | b | 54.10 | 37.90 | 31.17 | b | 50.30 | a | ||||
1989 | 32.33 | b | 25.08 | b | 39.90 | b | 49.80 | c | 51.81 | e | 61.61 | c | 66.02 | f | 63.09 | b | 58.13 | 47.07 | d | 39.73 | 30.82 | 45.40 | a | |||
1990 | 34.56 | e | 32.87 | b | 42.23 | 50.52 | d | 52.98 | b | 59.79 | b | 68.43 | b | 66.05 | b | 62.96 | b | 45.98 | b | 40.36 | a | ----- | z | 50.61 | a | |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.93 | 34.13 | 39.35 | 46.30 | 52.85 | 59.38 | 65.15 | 64.09 | 57.13 | 47.26 | 36.62 | 31.21 | 46.60 | |||||||||||||
S.D. | 5.67 | 3.30 | 2.51 | 2.91 | 2.25 | 2.55 | 1.89 | 2.45 | 2.85 | 2.31 | 3.41 | 3.28 | 1.15 | |||||||||||||
SKEW | -1.07 | -0.40 | 0.12 | 0.00 | -0.10 | 0.05 | 0.04 | 0.25 | 0.18 | 0.48 | -1.20 | -0.86 | -0.54 | |||||||||||||
MAX | 38.74 | 41.50 | 44.85 | 52.89 | 58.00 | 64.02 | 68.66 | 69.07 | 62.96 | 54.10 | 41.13 | 37.08 | 48.58 | |||||||||||||
MIN | 13.81 | 25.08 | 33.08 | 40.76 | 47.52 | 53.66 | 61.24 | 60.02 | 51.93 | 41.94 | 25.12 | 20.32 | 43.89 | |||||||||||||
YRS | 37 | 39 | 39 | 38 | 39 | 37 | 36 | 39 | 40 | 40 | 39 | 38 | 25 |