YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.16 | 71.93 | 57.73 | a | 39.64 | b | 31.10 | b | 56.11 | g | ||
1949 | 23.39 | 37.68 | 47.71 | 64.55 | a | 71.42 | 75.97 | 83.58 | 83.03 | a | 73.93 | a | 55.32 | 47.93 | a | 37.53 | a | 58.50 | ||||||||
1950 | 22.84 | 37.57 | 44.81 | ----- | z | 63.52 | 71.97 | 85.23 | 84.58 | 74.97 | 58.37 | a | 43.93 | 42.83 | a | 57.33 | a | |||||||||
1951 | 34.35 | 42.07 | 48.71 | 64.90 | 68.39 | 71.63 | 83.42 | 82.32 | 75.13 | 54.65 | 42.63 | 33.29 | 58.46 | |||||||||||||
1952 | 31.61 | 40.14 | 45.97 | 65.38 | a | 68.06 | 71.96 | e | 85.25 | c | 83.00 | 76.60 | 67.61 | 38.17 | 35.94 | 59.14 | ||||||||||
1953 | 43.42 | 42.50 | 48.35 | 55.70 | 63.23 | 65.97 | a | 84.90 | 80.55 | 78.00 | 62.71 | 49.03 | 39.32 | 59.47 | ||||||||||||
1954 | 35.86 | b | 41.04 | 47.23 | 57.66 | a | 69.86 | c | 68.43 | 82.06 | 76.13 | 69.77 | 57.87 | 47.87 | 35.19 | 57.41 | ||||||||||
1955 | 34.24 | b | 39.15 | a | 42.03 | 51.53 | 63.93 | b | 76.43 | 78.81 | 85.23 | a | 73.13 | 59.23 | a | 36.10 | a | 35.23 | a | 56.26 | ||||||
1956 | 35.42 | e | 33.75 | a | 46.93 | a | 63.50 | 69.61 | 72.17 | a | 88.10 | 83.48 | 75.24 | a | 56.26 | 38.34 | a | 37.71 | 58.38 | |||||||
1957 | 23.27 | a | 37.93 | a | 47.13 | 58.47 | 67.94 | 74.17 | 81.35 | 78.19 | 76.57 | 54.34 | b | 40.55 | a | 40.39 | 56.69 | |||||||||
1958 | 37.13 | 48.21 | 48.74 | 53.82 | b | 73.71 | 77.59 | a | 86.81 | 86.74 | 70.30 | 61.58 | 43.33 | o | 41.50 | a | 62.38 | a | ||||||||
1959 | 38.73 | a | 38.89 | 48.59 | d | 59.97 | a | 63.42 | 74.40 | 86.33 | a | 77.77 | 66.10 | 58.53 | a | 41.60 | 35.63 | a | 57.50 | |||||||
1960 | 31.68 | 40.66 | 50.55 | 59.67 | 64.61 | 75.73 | 88.84 | 76.94 | 73.57 | 59.29 | 43.47 | 33.29 | 58.19 | |||||||||||||
1961 | 37.35 | 44.39 | 49.06 | 57.00 | 66.35 | 82.53 | 86.77 | 88.81 | 68.47 | 57.10 | 39.00 | 37.23 | 59.51 | |||||||||||||
1962 | 36.13 | 42.21 | 47.42 | 63.27 | 60.39 | 75.17 | 82.00 | 77.81 | 72.87 | 57.61 | 44.67 | 39.97 | 58.29 | |||||||||||||
1963 | 30.52 | 45.61 | 50.87 | 54.13 | 67.83 | a | 73.00 | a | 78.06 | 82.65 | 78.70 | 62.19 | 44.47 | 34.40 | a | 58.54 | ||||||||||
1964 | 37.77 | 42.28 | 45.61 | 54.90 | 64.90 | a | 71.37 | 81.32 | 76.74 | 69.83 | 58.81 | 40.17 | 35.39 | 56.59 | ||||||||||||
1965 | 36.63 | a | 43.04 | 49.32 | 60.77 | 65.81 | 75.17 | 83.94 | 79.55 | 67.47 | 64.03 | 47.10 | 36.48 | 59.11 | ||||||||||||
1966 | 36.94 | 39.79 | 49.00 | 61.10 | 69.97 | 71.47 | 80.06 | 81.35 | 76.00 | 58.42 | 45.93 | 40.97 | 59.25 | |||||||||||||
1967 | 40.58 | 45.82 | 47.87 | 51.70 | 67.45 | 77.63 | 86.87 | 89.73 | a | 78.89 | c | 58.97 | a | 43.90 | 35.93 | a | 60.45 | |||||||||
1968 | 38.39 | 44.64 | a | 54.58 | 55.55 | a | 66.19 | 74.40 | 86.23 | a | 75.32 | 69.77 | 55.19 | 42.86 | a | 35.55 | 58.22 | |||||||||
1969 | 27.70 | a | 38.43 | 49.23 | a | 58.39 | b | 71.13 | a | 79.13 | 83.33 | a | 83.59 | b | 74.87 | 54.31 | b | 43.52 | c | 35.70 | a | 58.28 | ||||
1970 | 35.13 | 43.15 | a | 47.87 | 50.96 | c | 68.94 | 80.45 | a | 85.47 | a | 86.23 | a | 66.21 | b | 56.17 | a | 44.20 | 35.65 | 58.37 | ||||||
1971 | 39.47 | a | 42.89 | 44.71 | 57.70 | 68.55 | 68.70 | 84.00 | c | 87.52 | b | 66.40 | 54.97 | a | 43.60 | 35.61 | 57.84 | |||||||||
1972 | 36.06 | 39.48 | 54.19 | 55.15 | c | 71.16 | 75.73 | 82.35 | e | 85.24 | b | 68.41 | a | 57.62 | b | 44.73 | 33.48 | 58.64 | ||||||||
1973 | 34.90 | 42.68 | 50.81 | 58.96 | c | 72.31 | b | 74.83 | f | 87.12 | e | 82.45 | 71.30 | 56.90 | a | 39.60 | 39.58 | 57.87 | a | |||||||
1974 | 33.06 | 42.43 | 50.55 | 56.29 | b | 63.23 | 79.50 | 81.42 | 82.90 | 77.63 | k | 62.60 | a | 45.33 | 40.42 | 57.98 | a | |||||||||
1975 | 36.19 | 37.81 | b | 45.37 | a | 51.14 | a | 67.87 | a | 71.96 | b | ----- | z | 79.69 | b | 76.50 | 57.35 | 43.89 | b | 42.94 | o | 56.78 | b | |||
1976 | ----- | z | 46.33 | q | ----- | z | ----- | z | ----- | z | ----- | z | 86.44 | o | 75.12 | e | 78.11 | c | ----- | z | 44.56 | c | 36.38 | b | 58.54 | h |
1977 | 29.90 | 44.64 | 45.45 | 65.30 | 61.29 | c | 79.27 | 82.48 | 85.52 | 66.73 | ----- | z | ----- | z | 37.19 | d | 59.78 | b | ||||||||
1978 | 36.48 | 42.00 | i | 54.20 | a | 56.62 | a | 63.48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.00 | h | ----- | z | 52.70 | h | ||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 67.81 | 78.53 | 86.80 | a | 82.68 | 79.93 | 61.65 | 37.33 | 40.29 | 66.88 | d | |||||||
1980 | 31.26 | 40.24 | 48.35 | 63.63 | 65.23 | 70.10 | a | 83.84 | 80.19 | 71.47 | 64.68 | 44.40 | 37.81 | o | 60.31 | a | ||||||||||
1981 | 32.63 | l | 45.29 | 53.13 | h | 53.97 | ----- | z | ----- | z | ----- | z | 87.64 | c | 74.20 | 55.71 | 45.87 | 38.74 | 57.34 | e | ||||||
1982 | 36.13 | 39.32 | 48.67 | a | 56.73 | 66.97 | a | 77.10 | a | 79.86 | c | 83.10 | 70.45 | a | 56.87 | 38.93 | a | 35.60 | a | 57.48 | ||||||
1983 | 41.06 | 46.52 | a | 52.68 | 58.57 | 70.13 | a | 72.73 | 78.81 | 84.20 | a | 69.96 | b | 59.66 | b | ----- | z | ----- | z | 63.43 | b | |||||
1984 | 44.33 | y | 40.24 | 50.55 | 55.47 | 62.30 | a | 70.52 | a | 84.31 | b | 84.21 | g | 69.07 | c | 54.39 | 42.87 | 32.03 | a | 56.17 | b | |||||
1985 | 28.06 | 37.36 | 47.00 | 62.87 | 69.86 | b | 76.93 | b | 89.10 | 78.48 | b | 64.57 | 56.17 | b | 31.37 | 26.06 | 55.65 | |||||||||
1986 | 39.07 | a | 40.54 | 55.65 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.32 | 41.50 | 34.74 | 45.47 | f | |||||
1987 | 33.47 | a | 41.71 | 51.13 | 68.04 | b | 70.47 | a | 78.70 | 79.90 | 83.27 | a | 80.03 | a | 65.43 | a | 46.20 | 37.65 | 61.33 | |||||||
1988 | 31.76 | j | 44.79 | a | 51.90 | 61.80 | 67.41 | b | 75.00 | b | 85.19 | d | 85.62 | b | 78.39 | b | 68.16 | 42.57 | 36.50 | a | 63.39 | a | ||||
1989 | 37.03 | 30.89 | 48.86 | b | 63.70 | c | 67.00 | c | 78.59 | c | 84.92 | f | 79.41 | b | 75.30 | 58.93 | d | 45.93 | 35.19 | 56.44 | a | |||||
1990 | 39.03 | b | 40.04 | a | 54.06 | 64.19 | d | 66.20 | a | 74.32 | b | 87.72 | b | 83.21 | b | 82.43 | b | 55.93 | b | 47.62 | a | ----- | z | 63.16 | 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 | 34.60 | 41.17 | 49.02 | 58.76 | 67.13 | 74.71 | 83.93 | 82.15 | 73.04 | 58.87 | 42.86 | 36.47 | 58.30 | |||||||||||||
S.D. | 4.89 | 3.46 | 3.03 | 4.56 | 3.17 | 3.71 | 2.99 | 3.75 | 4.53 | 3.61 | 3.68 | 3.19 | 1.26 | |||||||||||||
SKEW | -0.88 | -0.53 | 0.26 | 0.08 | -0.14 | -0.16 | -0.20 | -0.07 | 0.02 | 0.91 | -0.84 | -0.60 | 0.10 | |||||||||||||
MAX | 43.42 | 48.21 | 55.65 | 68.04 | 73.71 | 82.53 | 89.10 | 89.73 | 82.43 | 68.16 | 49.03 | 42.83 | 61.33 | |||||||||||||
MIN | 22.84 | 30.89 | 42.03 | 50.96 | 60.39 | 65.97 | 78.06 | 75.12 | 64.57 | 54.31 | 31.37 | 26.06 | 55.65 | |||||||||||||
YRS | 37 | 39 | 39 | 38 | 39 | 37 | 36 | 40 | 40 | 40 | 39 | 38 | 25 |