YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.23 | 73.18 | a | ----- | z | ----- | z | ----- | z | ----- | z | 73.20 | j | |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | 56.42 | 65.85 | 71.77 | 70.50 | 66.37 | 52.34 | 38.92 | 31.05 | 56.65 | d | ||||||||
1952 | 26.82 | 37.40 | 41.44 | 51.32 | 58.45 | 61.60 | 72.25 | a | 70.37 | 65.98 | 58.73 | 32.75 | 33.66 | 50.90 | ||||||||||||
1953 | 43.47 | 40.84 | 44.53 | 47.90 | 53.37 | 58.02 | 70.52 | a | 68.76 | b | 64.67 | 53.40 | 43.50 | 40.18 | 52.43 | |||||||||||
1954 | 32.10 | 37.14 | 39.42 | a | 47.70 | 56.40 | 58.70 | 67.44 | 64.65 | 60.30 | 48.24 | 44.65 | 32.39 | 49.09 | ||||||||||||
1955 | 32.15 | 35.77 | 37.70 | a | 42.82 | 53.47 | 64.60 | 67.47 | b | 71.89 | 62.35 | 52.23 | 34.13 | 33.12 | a | 48.97 | ||||||||||
1956 | 33.58 | 28.60 | 43.45 | 52.50 | a | 60.43 | a | 61.80 | 73.73 | a | 70.69 | 64.31 | a | 50.43 | a | 37.53 | 36.45 | 51.13 | ||||||||
1957 | 19.02 | 36.30 | 41.94 | 51.68 | 62.27 | a | 68.52 | b | 69.55 | 68.21 | b | 66.33 | 49.31 | 41.95 | 40.16 | 51.27 | ||||||||||
1958 | 36.73 | a | 43.25 | 41.69 | 47.55 | b | 62.32 | 68.09 | a | 75.39 | 75.57 | a | 63.70 | 54.90 | 43.93 | a | 36.40 | 54.13 | ||||||||
1959 | 34.18 | a | 37.30 | a | 40.81 | 50.45 | 53.82 | a | 65.18 | 74.61 | 68.21 | 59.87 | 52.84 | 37.59 | a | 34.52 | 50.78 | |||||||||
1960 | 25.57 | a | 36.38 | a | 42.26 | 50.20 | 54.16 | 66.34 | b | 75.87 | 68.34 | 63.57 | 53.65 | 41.62 | 30.03 | 50.66 | ||||||||||
1961 | 35.26 | 44.25 | 45.42 | 48.97 | 55.66 | 69.17 | 74.89 | 76.10 | 58.90 | 50.40 | 35.17 | 36.23 | a | 52.53 | ||||||||||||
1962 | 32.90 | b | 37.13 | b | 40.71 | 52.83 | 52.21 | 63.16 | a | 70.32 | 68.37 | 64.52 | ----- | z | ----- | z | ----- | z | 53.57 | c | ||||||
1963 | 20.44 | w | 41.30 | 44.21 | 46.33 | 57.50 | 63.90 | a | 66.82 | a | 71.40 | 68.86 | a | 55.94 | 43.48 | a | 31.07 | a | 53.71 | a | ||||||
1964 | 38.56 | 40.90 | 42.35 | 46.92 | 54.68 | 62.10 | 70.12 | b | ----- | z | ----- | z | ----- | z | 37.21 | f | 31.83 | m | 50.80 | e | ||||||
1965 | 32.67 | h | 47.20 | c | 46.64 | i | 52.19 | c | 55.56 | d | 65.11 | c | 73.40 | a | 71.55 | a | 60.80 | c | 57.65 | 45.87 | c | 35.89 | c | 56.52 | b | |
1966 | 36.89 | c | 39.59 | 44.48 | a | 51.02 | d | 58.94 | f | 62.45 | a | 69.76 | b | 71.25 | c | 66.81 | i | 53.71 | b | 43.63 | d | 39.79 | g | 52.53 | c | |
1967 | 41.89 | d | 43.23 | b | 42.94 | e | 45.47 | 59.34 | b | 68.72 | a | 74.45 | a | 80.72 | h | 70.60 | a | 55.97 | a | 42.42 | d | 36.22 | h | 54.50 | b | |
1968 | 36.76 | d | 42.40 | 47.89 | 50.42 | d | 57.48 | c | 66.52 | b | 81.00 | p | 70.12 | r | ----- | z | 51.27 | 41.21 | i | 33.23 | i | 50.39 | e | |||
1969 | 22.96 | d | 35.71 | g | 42.92 | 50.62 | 60.77 | a | ----- | z | ----- | z | ----- | z | 61.98 | a | 49.83 | e | ----- | z | ----- | z | 48.18 | f | ||
1970 | ----- | z | 40.76 | c | 43.43 | c | 47.83 | j | 57.46 | c | 75.12 | n | 75.57 | d | 71.85 | r | 59.60 | e | 48.98 | c | 39.90 | d | 35.66 | i | 52.24 | e |
1971 | ----- | z | 39.98 | g | 40.23 | a | 47.17 | 57.50 | 59.43 | 73.63 | 76.63 | 59.48 | 51.31 | 41.90 | 36.10 | 54.34 | b | |||||||||
1972 | 34.94 | 38.59 | 47.40 | 44.21 | b | 60.44 | 65.78 | a | 73.84 | 74.65 | a | 61.03 | a | 53.73 | a | 43.74 | a | 28.28 | a | 52.22 | ||||||
1973 | 31.00 | b | 36.57 | a | 44.13 | 50.77 | 59.58 | 64.43 | 73.25 | a | 69.32 | 63.67 | 52.19 | 39.27 | 37.47 | 51.80 | ||||||||||
1974 | 29.03 | 41.39 | 44.05 | 48.41 | a | 54.27 | 68.60 | a | 69.81 | 72.47 | a | 66.97 | 52.76 | f | 42.40 | a | 39.00 | a | 52.40 | a | ||||||
1975 | 34.73 | 35.27 | 41.24 | b | 44.62 | 56.55 | 62.86 | a | 73.68 | a | 66.26 | 64.02 | 53.05 | 41.65 | 37.92 | 50.99 | ||||||||||
1976 | 38.22 | a | 39.30 | a | 41.27 | 46.98 | 56.95 | 61.77 | 70.27 | 67.83 | a | 65.62 | 53.95 | 41.45 | 36.76 | 51.70 | ||||||||||
1977 | 26.06 | 39.23 | b | 43.00 | a | 53.13 | 52.19 | 67.22 | 69.90 | 75.00 | 58.13 | ----- | z | 40.37 | 35.16 | 50.85 | a | |||||||||
1978 | 31.95 | a | 38.89 | a | 46.39 | 48.90 | 54.11 | d | 67.03 | 72.02 | 68.89 | 60.45 | 53.52 | 31.91 | a | 31.78 | a | 50.49 | ||||||||
1979 | 15.97 | a | 37.98 | 45.27 | a | 48.42 | 61.13 | a | 66.00 | 71.76 | 68.79 | 66.03 | 55.66 | 35.53 | 37.79 | 50.86 | ||||||||||
1980 | 27.50 | a | 34.23 | a | 42.90 | a | 51.52 | a | 55.59 | b | 61.37 | 71.53 | 68.37 | a | 65.10 | 53.02 | d | 42.77 | b | 38.02 | a | 50.99 | ||||
1981 | 37.05 | 38.73 | 44.39 | 50.38 | 55.26 | 63.78 | a | 70.87 | a | 75.05 | 62.98 | 50.83 | a | 44.68 | 35.47 | 52.46 | ||||||||||
1982 | 34.17 | g | 39.17 | d | 43.34 | c | 46.24 | a | 55.57 | a | 67.62 | a | 68.79 | c | 71.69 | b | 60.75 | 49.95 | a | 37.17 | c | 33.22 | b | 52.14 | a | |
1983 | 40.81 | d | 40.79 | 45.90 | 49.02 | a | 60.12 | c | 61.30 | b | 67.32 | a | 71.17 | b | 61.23 | b | 52.18 | a | 43.95 | b | 24.83 | h | 53.98 | a | ||
1984 | 36.75 | g | 39.33 | 46.79 | 47.19 | a | 54.88 | b | 62.48 | d | 72.84 | b | 69.80 | c | 60.60 | a | 49.92 | a | 41.09 | a | 30.12 | e | 52.28 | a | ||
1985 | 25.02 | c | 35.06 | b | 43.76 | 54.25 | b | 58.41 | b | 66.97 | a | 77.48 | d | 68.89 | c | 58.19 | a | 51.05 | a | 26.35 | d | 20.87 | a | 48.86 | ||
1986 | 34.70 | d | 39.27 | d | 49.16 | c | 48.98 | 57.67 | a | 68.91 | b | 66.63 | a | 76.21 | c | 59.11 | b | 55.03 | a | 41.62 | f | 31.98 | d | 53.42 | a | |
1987 | 34.95 | c | 38.96 | 48.04 | c | 53.21 | d | 59.07 | c | 68.75 | b | 69.10 | 71.27 | 66.10 | a | 55.26 | b | 43.91 | b | 32.94 | d | 53.46 | ||||
1988 | 33.00 | b | 42.58 | c | 45.25 | a | 50.54 | d | 53.41 | b | 61.33 | d | 69.67 | a | 66.95 | b | 60.55 | b | 58.07 | c | 40.18 | e | 34.52 | h | 52.87 | a |
1989 | 36.38 | b | 27.48 | h | 41.80 | f | 51.90 | e | 53.03 | a | 63.27 | 66.17 | a | 63.68 | a | 59.67 | 47.00 | c | 43.91 | b | 31.90 | a | 51.69 | b | ||
1990 | 37.79 | b | 37.57 | f | 45.72 | a | 52.34 | a | 54.02 | d | 62.12 | b | 76.24 | d | 73.24 | b | 65.68 | 47.25 | a | 44.57 | c | 24.56 | g | 55.90 | b | |
1991 | 31.78 | f | 43.07 | a | 39.19 | 45.87 | 50.41 | c | 58.83 | i | 71.06 | e | 71.78 | a | 64.65 | c | 53.02 | d | 41.32 | e | 36.63 | h | 53.37 | c | ||
1992 | 35.64 | c | 44.02 | c | 46.08 | 52.00 | g | 60.37 | a | 69.62 | d | 72.95 | a | 80.67 | b | 61.81 | c | 52.85 | h | 38.73 | d | 36.03 | l | 56.65 | c | |
1993 | 30.59 | i | 29.17 | j | 42.52 | b | 52.72 | 70.41 | b | 66.04 | c | 64.95 | b | 69.43 | a | 66.02 | c | ----- | z | ----- | z | ----- | z | 61.73 | e | |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | 60.12 | n | ----- | z | 76.67 | d | 75.29 | x | ----- | z | 48.42 | y | 39.25 | h | ----- | z | 76.67 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.75 | 39.25 | 43.59 | 49.34 | 56.97 | 64.66 | 71.57 | 70.95 | 63.01 | 52.59 | 40.38 | 34.20 | 51.29 | |||||||||||||
S.D. | 6.21 | 3.43 | 2.57 | 2.80 | 3.64 | 3.10 | 3.09 | 3.50 | 3.07 | 2.86 | 4.25 | 4.01 | 1.38 | |||||||||||||
SKEW | -0.82 | -0.41 | 0.01 | -0.33 | 1.13 | -0.20 | -0.15 | 0.45 | 0.30 | 0.12 | -1.34 | -1.11 | 0.02 | |||||||||||||
MAX | 43.47 | 47.20 | 49.16 | 54.25 | 70.41 | 69.62 | 77.48 | 80.67 | 70.60 | 58.73 | 45.87 | 40.18 | 54.13 | |||||||||||||
MIN | 15.97 | 28.60 | 37.70 | 42.82 | 50.41 | 58.02 | 64.95 | 63.68 | 58.13 | 47.00 | 26.35 | 20.87 | 48.86 | |||||||||||||
YRS | 34 | 37 | 40 | 40 | 42 | 40 | 43 | 39 | 40 | 37 | 37 | 30 | 20 |