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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 78.61 | 82.10 | 92.35 | 84.55 | 79.30 | 69.06 | 51.17 | 40.16 | 72.16 | d | ||||||||
1967 | 44.10 | 49.21 | 59.81 | 67.03 | 66.71 | 74.40 | 85.71 | 86.03 | 79.57 | 70.42 | 51.47 | 35.55 | 64.17 | |||||||||||||
1968 | 41.77 | 47.24 | 56.90 | 59.33 | 66.90 | 85.23 | 86.90 | 83.13 | 79.43 | 69.23 | 48.40 | 39.23 | 63.64 | |||||||||||||
1969 | 41.87 | 46.07 | 45.06 | 67.77 | 75.03 | a | 75.30 | 91.06 | 90.35 | 81.73 | 52.45 | 50.90 | 42.61 | 63.35 | ||||||||||||
1970 | 42.74 | 53.14 | 45.39 | 58.30 | 77.54 | e | 80.47 | 89.30 | a | 92.87 | 77.60 | 61.03 | 52.13 | 42.19 | 64.39 | |||||||||||
1971 | 38.90 | 42.57 | 49.45 | 61.41 | a | 67.55 | 85.10 | 88.10 | 89.84 | 76.07 | 64.55 | 52.40 | 42.26 | 63.18 | ||||||||||||
1972 | 39.00 | a | 51.10 | 60.77 | 65.03 | 72.61 | 84.10 | 87.87 | 86.13 | 77.57 | 65.39 | 37.33 | 29.97 | 63.07 | ||||||||||||
1973 | 34.94 | 44.14 | 49.10 | 57.40 | 71.16 | 83.40 | 87.39 | 92.68 | 75.00 | 68.77 | 46.90 | 40.19 | 62.59 | |||||||||||||
1974 | 33.94 | 47.50 | 56.32 | 62.83 | 77.35 | 85.17 | 93.35 | 85.61 | 78.50 | 70.29 | 52.13 | 43.45 | 65.54 | |||||||||||||
1975 | 43.16 | 44.57 | 51.61 | 60.33 | 69.94 | 81.13 | 90.32 | 89.55 | 78.33 | 70.68 | 49.27 | 45.94 | 64.57 | |||||||||||||
1976 | 42.29 | 53.79 | 53.19 | 63.37 | 72.58 | 85.47 | 91.87 | 89.61 | 79.24 | a | 64.90 | 51.17 | 48.68 | 66.35 | ||||||||||||
1977 | 38.45 | 51.39 | 52.55 | 64.03 | 76.10 | 86.20 | 93.52 | 86.71 | 84.83 | 70.23 | 50.47 | 44.55 | 66.59 | |||||||||||||
1978 | 32.32 | 35.18 | 57.16 | 64.37 | 68.81 | 84.60 | 93.29 | 89.23 | 84.97 | 69.45 | 46.43 | 31.19 | 63.08 | |||||||||||||
1979 | 27.52 | 45.57 | 54.53 | a | 64.23 | 69.48 | 82.63 | 89.84 | 84.03 | 82.69 | a | 69.58 | 42.23 | 43.19 | 62.96 | |||||||||||
1980 | 31.81 | 40.62 | 48.40 | a | 60.79 | a | 69.26 | 88.13 | 94.61 | 90.35 | 84.17 | 69.16 | 52.40 | 53.17 | b | 65.24 | ||||||||||
1981 | 48.65 | 49.89 | ----- | z | ----- | z | 67.52 | j | 86.77 | 91.23 | 84.60 | a | 82.83 | 66.03 | 58.70 | 46.26 | 68.33 | c | ||||||||
1982 | 42.65 | 47.58 | b | 55.00 | 64.67 | 70.06 | 76.67 | 90.61 | 89.13 | a | 78.10 | 65.42 | 49.30 | 43.45 | 64.39 | |||||||||||
1983 | 47.48 | 51.00 | 50.87 | 54.07 | a | 67.19 | 75.70 | 90.32 | 92.52 | 84.38 | a | 70.29 | 51.40 | 26.67 | a | 63.49 | ||||||||||
1984 | 36.19 | 45.83 | 50.13 | 52.97 | a | 75.60 | a | 81.07 | 91.60 | a | 90.03 | 77.62 | a | 60.87 | a | 54.10 | a | 41.89 | l | 65.09 | a | |||||
1985 | 34.90 | k | 40.07 | 59.03 | 67.93 | 75.27 | a | 84.86 | a | 91.32 | 92.03 | 75.43 | 68.10 | a | 38.13 | ----- | z | 69.22 | b | |||||||
1986 | 42.50 | a | 46.46 | 61.94 | ----- | z | ----- | z | 85.38 | a | 89.94 | 88.03 | 77.37 | 63.90 | a | 51.90 | 43.70 | a | 65.11 | b | ||||||
1987 | 45.77 | 50.36 | 50.39 | 69.32 | b | 70.92 | f | 83.21 | b | 90.39 | 84.35 | 79.61 | g | 68.61 | 49.50 | 39.68 | c | 63.16 | b | |||||||
1988 | 30.19 | 42.76 | 53.40 | a | 65.87 | 72.90 | a | 87.13 | 88.90 | 89.61 | 78.53 | 69.35 | 51.93 | 43.13 | 64.48 | |||||||||||
1989 | 45.48 | 33.32 | 57.81 | 65.73 | 76.32 | 79.57 | 91.84 | 83.84 | 75.83 | 65.94 | 56.03 | 37.87 | 64.13 | |||||||||||||
1990 | 44.81 | 42.89 | 50.77 | 65.60 | 71.13 | 87.52 | a | 84.48 | 84.19 | d | 82.79 | b | 69.61 | 55.30 | 36.90 | a | 64.67 | |||||||||
1991 | 38.10 | 54.57 | 55.39 | 63.13 | 74.48 | 83.53 | 87.26 | 84.76 | b | 78.56 | c | 69.13 | 42.97 | 45.71 | 64.80 | |||||||||||
1992 | 42.55 | b | 51.97 | 56.35 | 69.33 | 75.74 | 78.77 | 84.45 | 82.84 | 81.14 | b | 68.81 | 41.90 | 29.23 | 63.59 | |||||||||||
1993 | 31.94 | 36.64 | 54.00 | a | 58.28 | a | 71.10 | 77.67 | 84.94 | 83.83 | a | 70.50 | d | 61.13 | 41.77 | 40.29 | 59.34 | |||||||||
1994 | 42.10 | a | 37.32 | 56.61 | 61.70 | 76.87 | a | 87.52 | a | 88.42 | 90.42 | 81.43 | 62.84 | 47.23 | 48.00 | 65.04 | ||||||||||
1995 | 40.55 | 49.29 | 52.10 | 55.20 | 60.39 | 76.03 | 87.15 | d | 89.87 | 73.83 | 63.13 | 53.67 | 46.48 | 62.31 | ||||||||||||
1996 | 40.10 | 46.86 | 49.74 | 62.67 | 69.58 | 81.97 | 86.65 | 85.45 | 72.97 | 65.19 | 47.93 | 44.29 | 62.78 | |||||||||||||
1997 | 37.84 | 43.21 | 57.52 | 54.20 | 70.39 | 78.89 | b | 87.87 | a | 80.43 | a | 76.31 | a | 63.65 | 47.14 | a | 40.16 | 61.47 | ||||||||
1998 | 45.23 | 47.00 | 50.23 | 59.67 | 73.84 | 75.13 | 86.48 | 84.07 | b | 83.21 | a | 60.71 | 52.13 | 40.90 | 63.22 | |||||||||||
1999 | 44.55 | 53.46 | 58.29 | 56.53 | 67.48 | 78.73 | 87.77 | 82.26 | 70.67 | 66.10 | 61.93 | 47.48 | 64.61 | |||||||||||||
2000 | 46.03 | 52.17 | 53.10 | 65.31 | a | 73.03 | a | 81.63 | 90.87 | a | 90.52 | 77.03 | 64.29 | 39.80 | 38.53 | a | 64.36 | |||||||||
2001 | 41.65 | 37.21 | 50.81 | 61.38 | a | 67.94 | 80.66 | a | 90.23 | 87.00 | 79.63 | 63.84 | 57.20 | 44.39 | 63.49 | |||||||||||
2002 | 43.87 | a | 47.21 | 45.74 | 65.60 | 71.16 | 85.70 | 87.77 | 87.39 | 77.17 | 58.00 | 47.33 | 46.90 | 63.65 | ||||||||||||
2003 | 48.61 | 41.46 | 52.97 | 63.90 | 69.26 | 73.30 | 92.03 | 90.61 | 75.20 | 71.70 | a | 47.53 | 46.06 | 64.39 | ||||||||||||
2004 | 44.87 | 45.07 | 60.13 | 63.57 | 74.90 | a | 76.77 | 84.97 | 83.39 | 80.48 | a | 65.65 | 49.87 | ----- | z | 66.33 | a | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.66 | 45.94 | 53.58 | 62.30 | 71.79 | 81.73 | 89.31 | 87.23 | 78.68 | 66.09 | 49.47 | 41.62 | 63.84 | |||||||||||||
S.D. | 5.28 | 5.47 | 4.37 | 4.32 | 3.96 | 4.21 | 2.69 | 3.33 | 3.66 | 4.09 | 5.39 | 5.73 | 1.38 | |||||||||||||
SKEW | -0.73 | -0.48 | -0.05 | -0.49 | -0.42 | -0.35 | -0.08 | -0.02 | -0.20 | -1.10 | -0.31 | -0.83 | -0.81 | |||||||||||||
MAX | 48.65 | 54.57 | 61.94 | 69.33 | 78.61 | 88.13 | 94.61 | 92.87 | 84.97 | 71.70 | 61.93 | 53.17 | 66.59 | |||||||||||||
MIN | 27.52 | 33.32 | 45.06 | 52.97 | 60.39 | 73.30 | 84.45 | 80.43 | 70.50 | 52.45 | 37.33 | 26.67 | 59.34 | |||||||||||||
YRS | 37 | 38 | 37 | 36 | 36 | 39 | 39 | 39 | 38 | 39 | 39 | 36 | 32 |