YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.87 | 80.35 | 79.40 | 73.16 | 66.43 | 53.90 | 72.35 | |||||||
1949 | 51.77 | 56.04 | 60.94 | 71.72 | a | 71.48 | 80.53 | 80.32 | 77.55 | 80.83 | a | 72.52 | 69.70 | 57.35 | 69.23 | |||||||||||
1950 | 53.97 | 63.00 | g | 64.39 | 72.23 | 74.13 | 75.80 | 82.71 | 83.06 | 79.90 | 74.55 | 69.37 | 58.77 | 71.72 | ||||||||||||
1951 | 57.06 | 60.54 | 66.00 | 65.97 | 74.32 | 76.13 | 78.84 | 80.10 | 77.57 | 74.19 | 65.03 | 55.90 | 69.30 | |||||||||||||
1952 | 55.63 | a | 60.38 | 60.58 | 68.70 | 76.00 | 73.50 | 80.81 | 79.84 | 82.23 | 73.29 | 65.03 | 56.58 | 69.38 | ||||||||||||
1953 | 60.55 | 62.43 | 64.61 | 67.23 | 69.61 | 74.67 | 83.68 | 76.77 | 79.40 | 75.06 | 64.40 | 61.84 | 70.02 | |||||||||||||
1954 | 57.61 | 63.89 | 59.71 | 72.13 | 74.03 | 76.43 | 81.94 | 77.13 | 78.43 | 74.55 | 64.40 | 56.71 | 69.75 | |||||||||||||
1955 | 54.16 | 59.61 | 65.90 | 63.10 | 72.87 | 76.30 | 77.81 | 81.52 | 80.77 | 73.65 | 64.40 | 58.61 | 69.06 | |||||||||||||
1956 | 57.58 | 58.24 | 64.94 | 67.73 | 73.39 | 78.73 | 79.03 | 79.16 | 80.24 | a | 70.87 | 69.27 | 61.74 | 70.08 | ||||||||||||
1957 | 55.68 | 60.36 | 64.55 | 70.63 | 71.16 | 82.40 | 82.94 | 80.45 | 80.43 | 72.48 | 65.27 | 58.84 | 70.43 | |||||||||||||
1958 | 60.97 | 63.43 | 61.10 | 68.90 | 75.42 | 77.00 | 78.77 | 83.52 | 84.77 | 77.74 | 68.00 | 66.35 | 72.16 | |||||||||||||
1959 | 60.90 | 61.46 | 70.58 | 74.70 | 72.10 | 78.83 | 82.93 | b | 81.90 | 78.21 | a | 78.74 | 70.53 | 62.87 | 72.81 | |||||||||||
1960 | 57.61 | 61.69 | 67.29 | 68.80 | 71.52 | 83.27 | 81.97 | 81.06 | 80.20 | 73.74 | 63.50 | 58.52 | 70.76 | |||||||||||||
1961 | 59.06 | 63.75 | 64.06 | 71.33 | 67.94 | 80.97 | 83.97 | 80.65 | 82.80 | j | 75.68 | 65.53 | 56.26 | 69.93 | ||||||||||||
1962 | 60.19 | 57.86 | 61.42 | 72.77 | 70.42 | 77.97 | 79.00 | 81.68 | 77.60 | 71.58 | 67.23 | 58.84 | 69.71 | |||||||||||||
1963 | 57.10 | 67.32 | 64.16 | 63.37 | 70.61 | 77.63 | 79.39 | 80.81 | 81.00 | ----- | z | ----- | z | ----- | z | 71.27 | ||||||||||
1964 | ----- | z | 64.93 | 63.94 | 68.40 | 68.68 | 75.73 | 79.87 | 80.84 | 80.28 | a | 77.35 | 61.33 | 59.29 | 70.97 | |||||||||||
1965 | 57.68 | 62.25 | 65.16 | 68.50 | 73.74 | 75.83 | 80.26 | 82.32 | 77.13 | 78.58 | 64.60 | 53.74 | 69.98 | |||||||||||||
1966 | 58.81 | 59.89 | 66.10 | 76.77 | 76.06 | 81.03 | 79.65 | 84.03 | 81.30 | 75.10 | 64.67 | 56.94 | 71.69 | |||||||||||||
1967 | 59.06 | 62.71 | 63.00 | 59.63 | 75.65 | 76.70 | 84.58 | 85.32 | 82.80 | 77.26 | 68.00 | 57.74 | 71.04 | |||||||||||||
1968 | 56.39 | 64.66 | 68.13 | 72.67 | 73.10 | 81.87 | 83.35 | 81.26 | 80.33 | 72.84 | 63.47 | 55.90 | 71.16 | |||||||||||||
1969 | 54.74 | 57.00 | 65.39 | 68.20 | 77.19 | 75.87 | 83.26 | 86.48 | 81.87 | 72.71 | 66.67 | 61.13 | 70.88 | |||||||||||||
1970 | 59.87 | 65.54 | 68.23 | 67.53 | 79.10 | 78.27 | 83.81 | 79.77 | 84.50 | 71.52 | 65.03 | 55.23 | 71.53 | |||||||||||||
1971 | 57.39 | 60.54 | 64.16 | 66.73 | 70.55 | 77.73 | 81.19 | 83.90 | 83.03 | 71.52 | 63.23 | 53.68 | 69.47 | |||||||||||||
1972 | 55.84 | 62.72 | 69.71 | 70.40 | 76.52 | 81.30 | 83.42 | 82.35 | 76.97 | 71.29 | 60.33 | 53.23 | 70.34 | |||||||||||||
1973 | 55.58 | 61.32 | 60.71 | 72.87 | 77.61 | 85.00 | 82.77 | 80.26 | 78.50 | 73.61 | 61.00 | 56.81 | 70.50 | |||||||||||||
1974 | 57.77 | 60.46 | 63.90 | 69.17 | 73.45 | 79.10 | 81.29 | 81.87 | 80.27 | 75.77 | 63.73 | 56.61 | 70.28 | |||||||||||||
1975 | 58.03 | 60.21 | 62.35 | 64.10 | 77.48 | 78.57 | 80.87 | 81.71 | 78.13 | 70.81 | 63.53 | 59.42 | 69.60 | |||||||||||||
1976 | 60.65 | 61.28 | 63.81 | 67.50 | 77.03 | 82.13 | 80.94 | 78.74 | 78.20 | 75.90 | 66.83 | 59.90 | 71.08 | |||||||||||||
1977 | 56.94 | 65.11 | 63.58 | 73.27 | 67.97 | 78.67 | 82.42 | 80.19 | 78.80 | 73.65 | 66.37 | 60.55 | 70.62 | |||||||||||||
1978 | 60.00 | 61.43 | 67.32 | 67.23 | 79.10 | 77.57 | 82.16 | 83.26 | 82.80 | 76.87 | 62.60 | 54.97 | 71.28 | |||||||||||||
1979 | 56.13 | 59.50 | 64.71 | 68.17 | a | 77.65 | 80.67 | 82.84 | 80.55 | 84.90 | 74.16 | 64.50 | 61.00 | 71.23 | ||||||||||||
1980 | 59.74 | 64.31 | 65.32 | 69.83 | 70.68 | 75.70 | 81.29 | 79.65 | 78.50 | 76.61 | 67.30 | 60.29 | 70.77 | |||||||||||||
1981 | 60.29 | 64.43 | 64.58 | 71.83 | 74.71 | 85.67 | 82.94 | 80.65 | 78.93 | 71.77 | 66.40 | 60.42 | 71.88 | |||||||||||||
1982 | 56.26 | 65.00 | ----- | z | 67.60 | 74.90 | 73.37 | 79.84 | 81.10 | 80.40 | 74.42 | 61.00 | 57.32 | 70.11 | ||||||||||||
1983 | 57.32 | 62.11 | 63.45 | 66.40 | 73.90 | 80.20 | 82.35 | 82.90 | 84.30 | 76.03 | 63.00 | 59.81 | 70.98 | |||||||||||||
1984 | 59.61 | 62.41 | 68.61 | 68.17 | 79.06 | 80.33 | 86.45 | 82.10 | 86.00 | ----- | z | 61.00 | 54.97 | 71.70 | ||||||||||||
1985 | 54.10 | 63.46 | 60.61 | 73.33 | 73.97 | 85.10 | 85.45 | 81.71 | 77.63 | 74.23 | 60.33 | 56.19 | 70.51 | |||||||||||||
1986 | 62.06 | 64.43 | 69.77 | 70.70 | 75.29 | 80.67 | 83.77 | 81.26 | 76.40 | 75.48 | 67.93 | 58.39 | 72.18 | |||||||||||||
1987 | 57.39 | 63.46 | 66.90 | 76.50 | 77.61 | 80.33 | 78.87 | 82.45 | 81.20 | 76.16 | 64.13 | 56.61 | 71.80 | |||||||||||||
1988 | 59.52 | 66.69 | 70.87 | 71.87 | 74.06 | 80.10 | 85.97 | 82.94 | 81.20 | 73.87 | 64.30 | 58.06 | 72.45 | |||||||||||||
1989 | 56.68 | 58.46 | 66.13 | 75.60 | 75.26 | 79.30 | 82.90 | 82.13 | 78.27 | 73.74 | 66.63 | 59.52 | 71.22 | |||||||||||||
1990 | 59.16 | 58.50 | 66.00 | 73.63 | 74.45 | 79.97 | 82.65 | 82.81 | 81.97 | 77.42 | 65.57 | 53.77 | 71.32 | |||||||||||||
1991 | 59.10 | 66.43 | 60.68 | 68.43 | 71.45 | 76.37 | 82.13 | 78.84 | 81.50 | 77.52 | 66.97 | 59.00 | 70.70 | |||||||||||||
1992 | 57.00 | 65.03 | 66.65 | 75.07 | 80.42 | 78.70 | 83.03 | ----- | z | 82.07 | 78.48 | 66.70 | 56.13 | 71.75 | ||||||||||||
1993 | 56.77 | 59.64 | 68.58 | 70.47 | 76.10 | 83.13 | 83.26 | 84.48 | 80.70 | 75.87 | 65.60 | 58.42 | 71.92 | |||||||||||||
1994 | 60.42 | 60.04 | 69.77 | 70.47 | 73.39 | 80.97 | 81.52 | 84.26 | 80.60 | 74.35 | 58.70 | 55.29 | 70.81 | |||||||||||||
1995 | 59.48 | 64.00 | 64.10 | 69.53 | 72.16 | 78.97 | 84.55 | 85.03 | 81.17 | 78.32 | 70.30 | 61.16 | 72.40 | |||||||||||||
1996 | 60.26 | 64.07 | 69.71 | 75.17 | 78.32 | 84.23 | 87.48 | 86.87 | 81.07 | 74.13 | 65.07 | 60.74 | 73.93 | |||||||||||||
1997 | 58.42 | 64.25 | 71.68 | 73.77 | 82.55 | 81.03 | 84.48 | 83.10 | 85.63 | 74.81 | 66.30 | 58.52 | 73.71 | |||||||||||||
1998 | 60.29 | 59.32 | 66.52 | 69.53 | 69.06 | 77.43 | 83.65 | 88.97 | 82.43 | 73.23 | 62.63 | 55.65 | 70.73 | |||||||||||||
1999 | 58.45 | 59.86 | 60.90 | 67.63 | 70.87 | 78.20 | 80.87 | 80.90 | ----- | z | ----- | z | 66.80 | 60.65 | k | 69.39 | ||||||||||
2000 | 61.00 | j | 62.00 | 69.00 | 74.83 | l | 77.94 | 85.00 | 81.68 | 84.77 | 83.57 | 72.19 | 62.17 | 60.93 | a | 73.92 | ||||||||||
2001 | 58.13 | 60.36 | 69.94 | 68.13 | 84.29 | 85.10 | 82.68 | 81.55 | 80.30 | 77.65 | 66.23 | 59.29 | 72.80 | |||||||||||||
2002 | 58.00 | 65.89 | 66.19 | 69.70 | 74.39 | 80.60 | 83.65 | 83.03 | 83.60 | 74.32 | 68.40 | 60.35 | 72.34 | |||||||||||||
2003 | 63.84 | 62.89 | 67.55 | 65.17 | 73.71 | 78.30 | 82.94 | 80.52 | 81.00 | 76.90 | 62.20 | 59.23 | 71.19 | |||||||||||||
2004 | 57.58 | 60.62 | 72.48 | 72.50 | 73.29 | 76.50 | 80.06 | 80.90 | 82.00 | 70.94 | 63.03 | 60.45 | 70.86 | |||||||||||||
2005 | 57.39 | 62.79 | 67.32 | 67.43 | 72.32 | 75.63 | 82.90 | 81.19 | 75.00 | 73.13 | 67.57 | 61.52 | 70.35 | |||||||||||||
2006 | 60.42 | 63.86 | 58.43 | c | 65.23 | 74.65 | 79.83 | a | 82.60 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.07 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 58.08 | 62.12 | 65.48 | 69.72 | 74.39 | 79.26 | 82.16 | 81.80 | 80.65 | 74.59 | 65.09 | 58.24 | 71.01 | |||||||||||||
S.D. | 2.23 | 2.56 | 3.27 | 3.50 | 3.42 | 3.02 | 2.03 | 2.29 | 2.40 | 2.20 | 2.66 | 2.66 | 1.13 | |||||||||||||
SKEW | -0.22 | -0.15 | 0.02 | -0.20 | 0.42 | 0.31 | 0.14 | 0.52 | 0.12 | 0.18 | -0.11 | 0.23 | 0.36 | |||||||||||||
MAX | 63.84 | 67.32 | 72.48 | 76.77 | 84.29 | 85.67 | 87.48 | 88.97 | 86.00 | 78.74 | 70.53 | 66.35 | 73.93 | |||||||||||||
MIN | 51.77 | 56.04 | 58.43 | 59.63 | 67.94 | 73.37 | 77.81 | 76.77 | 75.00 | 70.81 | 58.70 | 53.23 | 69.06 | |||||||||||||
NO YRS | 56 | 57 | 57 | 57 | 58 | 58 | 58 | 57 | 56 | 55 | 57 | 56 | 48 |