YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | 54.82 | t | 66.58 | d | 64.03 | 64.87 | 76.13 | 84.47 | 91.94 | 92.35 | 88.93 | 76.87 | 60.93 | a | 45.61 | 73.88 | a | |||||||||
1964 | 54.23 | 61.90 | 65.23 | 71.60 | 75.94 | 84.63 | 93.97 | 92.52 | 83.77 | 81.52 | 59.17 | 57.45 | 73.49 | |||||||||||||
1965 | 52.58 | 59.43 | 64.81 | 68.50 | 79.74 | 79.63 | 91.90 | 92.29 | 82.37 | 81.32 | 63.93 | 48.71 | 72.10 | |||||||||||||
1966 | 54.68 | 57.25 | 66.65 | 77.80 | 81.42 | 87.47 | 90.32 | 95.13 | h | 86.33 | 78.74 | 65.73 | 52.16 | 72.60 | a | |||||||||||
1967 | 54.29 | 55.50 | 62.32 | 58.97 | 78.23 | 81.17 | 96.29 | 96.94 | 89.30 | 79.74 | 67.27 | 53.87 | 72.82 | |||||||||||||
1968 | 52.29 | 61.66 | 67.90 | 73.87 | 77.00 | 87.93 | 92.84 | 86.52 | 86.37 | 75.52 | 60.90 | 52.71 | 72.96 | |||||||||||||
1969 | 50.65 | 54.74 | a | 63.90 | 69.20 | 80.10 | 78.63 | 93.00 | 94.35 | 88.87 | 73.00 | 65.93 | 58.58 | 72.58 | ||||||||||||
1970 | 58.06 | 62.19 | a | 67.00 | 68.33 | 80.13 | 84.67 | 94.13 | 91.45 | 86.47 | 74.77 | 65.90 | 53.35 | 73.87 | ||||||||||||
1971 | 52.48 | 56.39 | 64.23 | 67.70 | 71.81 | 83.63 | 92.00 | 92.52 | 85.53 | 74.48 | 63.07 | 53.13 | 71.41 | |||||||||||||
1972 | 47.90 | 59.97 | 72.26 | 71.33 | 79.68 | 86.40 | 91.48 | 90.19 | 83.13 | 72.97 | 57.67 | 49.00 | 71.83 | |||||||||||||
1973 | 53.10 | 59.21 | 59.61 | 72.10 | 82.32 | 88.70 | 90.19 | 90.19 | 83.20 | 74.39 | 62.63 | 53.52 | 72.43 | |||||||||||||
1974 | 54.26 | 59.71 | 63.87 | 69.27 | 77.74 | 86.73 | 91.00 | 90.42 | 89.10 | 77.97 | 64.00 | 52.32 | 73.03 | |||||||||||||
1975 | 52.06 | 58.57 | 61.13 | 64.10 | 79.39 | 84.53 | 88.39 | 87.97 | 88.93 | 74.61 | 63.07 | 56.10 | 71.57 | |||||||||||||
1976 | 58.29 | 61.48 | 65.32 | 68.63 | 80.84 | 86.63 | 91.16 | 83.58 | 84.60 | 77.58 | 64.00 | 58.29 | 73.37 | |||||||||||||
1977 | 49.00 | 62.86 | 63.81 | 76.67 | 70.13 | 85.60 | 91.90 | 91.23 | 84.07 | 79.19 | 66.97 | 59.47 | a | 73.41 | ||||||||||||
1978 | 56.90 | 58.46 | 66.48 | 65.40 | 80.71 | 84.97 | 92.03 | 90.77 | 83.63 | 82.48 | 61.53 | 50.84 | 72.85 | |||||||||||||
1979 | 52.87 | 57.75 | 63.06 | 70.27 | 80.68 | 90.46 | b | 91.93 | a | 88.10 | 90.20 | 77.65 | 63.80 | 58.58 | 73.78 | |||||||||||
1980 | 55.73 | a | 60.72 | 63.16 | 70.83 | 74.68 | 80.23 | 90.81 | 87.03 | 84.13 | 80.74 | 68.23 | 56.39 | 72.72 | ||||||||||||
1981 | 56.26 | 61.32 | 62.35 | 72.90 | 79.20 | a | 92.63 | 93.97 | 90.19 | 87.73 | 73.87 | 65.67 | 57.13 | 74.44 | ||||||||||||
1982 | 51.06 | 60.93 | 61.39 | 67.93 | 77.81 | 79.00 | 89.65 | 88.83 | a | 83.79 | a | 76.26 | 58.66 | a | 55.27 | a | 70.88 | |||||||||
1983 | 48.35 | 59.75 | 63.16 | 66.10 | 79.90 | 83.10 | 86.65 | 90.29 | 87.33 | 78.19 | 64.17 | 59.23 | 72.19 | |||||||||||||
1984 | 53.61 | 61.76 | 70.58 | 70.83 | 84.84 | 84.97 | a | 95.48 | 92.19 | 91.47 | 73.55 | 61.80 | 51.74 | 74.40 | ||||||||||||
1985 | 47.61 | 62.82 | 63.13 | 76.03 | 77.39 | 91.69 | a | 94.16 | 89.03 | 81.47 | 76.00 | 60.77 | 46.87 | 72.25 | ||||||||||||
1986 | 58.19 | 62.82 | 67.42 | 70.60 | 80.45 | 86.20 | 88.81 | 93.42 | 80.00 | 77.71 | 69.20 | 53.93 | a | 74.06 | ||||||||||||
1987 | 54.58 | 62.11 | 65.19 | 78.67 | 80.26 | 86.67 | 84.13 | 89.55 | 86.33 | 81.10 | 63.20 | 55.71 | 73.96 | |||||||||||||
1988 | 55.52 | 65.31 | 70.23 | 72.37 | 76.61 | 83.90 | 95.87 | 89.65 | 88.47 | 80.77 | 65.33 | 53.97 | 74.83 | |||||||||||||
1989 | 52.94 | 56.93 | 67.52 | 77.33 | 78.10 | 84.57 | 93.16 | 88.55 | 84.57 | 76.03 | 67.13 | 53.26 | 73.34 | |||||||||||||
1990 | 56.94 | 58.11 | 67.39 | 77.53 | 77.61 | 86.33 | 94.16 | 90.81 | 87.87 | 82.10 | 65.93 | 52.65 | 74.78 | |||||||||||||
1991 | 57.16 | 65.71 | 60.74 | 68.90 | 75.68 | 82.60 | 92.10 | 87.77 | 91.57 | 84.48 | 67.87 | 55.16 | 74.15 | |||||||||||||
1992 | 50.26 | 62.90 | 66.03 | 77.77 | 83.68 | 84.57 | 90.68 | 95.68 | 89.47 | 80.26 | 67.00 | 54.65 | 75.24 | |||||||||||||
1993 | 54.00 | 58.64 | 67.23 | 71.13 | 78.90 | 86.90 | 88.13 | 90.10 | 87.67 | 79.45 | 65.30 | 53.13 | 73.38 | |||||||||||||
1994 | 55.87 | 57.39 | 68.32 | 72.73 | 76.45 | 87.93 | 90.27 | a | 92.55 | 86.90 | 76.68 | 59.33 | 51.65 | 73.01 | ||||||||||||
1995 | 57.48 | 59.07 | 62.90 | 69.53 | 73.10 | 83.37 | 91.52 | 93.00 | 88.47 | 81.67 | a | 71.73 | 59.52 | 74.28 | ||||||||||||
1996 | 55.71 | 61.55 | 66.71 | 74.23 | 80.26 | 86.67 | 96.48 | 94.39 | 86.87 | 77.19 | 64.30 | 57.45 | 75.15 | |||||||||||||
1997 | 55.97 | 62.18 | 71.23 | 75.50 | 87.10 | 85.83 | 91.55 | 91.65 | 89.33 | 76.87 | 66.80 | 54.29 | 75.69 | |||||||||||||
1998 | 56.61 | 57.96 | 64.81 | 67.90 | 69.35 | 77.73 | 91.03 | 94.61 | 87.17 | 75.03 | 63.93 | 54.52 | 71.72 | |||||||||||||
1999 | 53.03 | 58.61 | 62.48 | 69.10 | 75.87 | 84.37 | 89.13 | 88.58 | 89.13 | 83.07 | a | 68.17 | 59.87 | 73.45 | ||||||||||||
2000 | 59.23 | 61.90 | 66.16 | 74.90 | 81.35 | 91.17 | 88.74 | 92.87 | 85.93 | 76.55 | 59.53 | 58.19 | 74.71 | |||||||||||||
2001 | 56.81 | 58.71 | 68.32 | 69.77 | 89.97 | 91.27 | 90.23 | 91.45 | 88.53 | 81.94 | 67.03 | 55.94 | 75.83 | |||||||||||||
2002 | 53.84 | 63.36 | 65.87 | 72.13 | 78.71 | 88.07 | 93.06 | 90.23 | 90.90 | 76.74 | 65.27 | 58.13 | 74.69 | |||||||||||||
2003 | 56.29 | 59.89 | 68.68 | 67.07 | 79.23 | a | 85.47 | 98.26 | 91.26 | 90.17 | 83.87 | 62.63 | 58.13 | 75.08 | ||||||||||||
2004 | 53.84 | 60.43 | a | 73.48 | 76.70 | 81.35 | 86.93 | 91.13 | 90.87 | 88.90 | 74.16 | 60.90 | 55.29 | 74.50 | ||||||||||||
2005 | 52.65 | 61.14 | 67.42 | 71.87 | 79.94 | 83.27 | 96.74 | 94.63 | a | 86.20 | 78.87 | 70.00 | 59.33 | a | 75.17 | |||||||||||
2006 | 58.71 | 63.54 | b | 59.71 | 66.93 | 82.13 | 90.90 | 98.77 | 90.50 | a | 87.21 | a | 76.68 | 65.77 | 58.52 | 74.95 | ||||||||||
2007 | 57.14 | c | 62.25 | 72.90 | 74.97 | 82.68 | 90.07 | 92.29 | c | 94.04 | c | ----- | z | ----- | z | ----- | z | ----- | z | 78.29 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 54.30 | 60.48 | 65.69 | 71.13 | 78.99 | 85.61 | 92.03 | 91.02 | 86.87 | 78.01 | 64.37 | 54.85 | 73.58 | |||||||||||||
S.D. | 2.95 | 2.61 | 3.37 | 4.24 | 3.85 | 3.50 | 2.91 | 2.59 | 2.73 | 3.11 | 3.19 | 3.46 | 1.25 | |||||||||||||
SKEW | -0.51 | 0.06 | 0.39 | -0.25 | -0.03 | -0.17 | 0.06 | -0.23 | -0.44 | 0.25 | -0.08 | -0.62 | -0.18 | |||||||||||||
MAX | 59.23 | 66.58 | 73.48 | 78.67 | 89.97 | 92.63 | 98.77 | 96.94 | 91.57 | 84.48 | 71.73 | 59.87 | 75.83 | |||||||||||||
MIN | 47.61 | 54.74 | 59.61 | 58.97 | 69.35 | 77.73 | 84.13 | 83.58 | 80.00 | 72.97 | 57.67 | 45.61 | 70.88 | |||||||||||||
YRS | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 42 |