YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | 61.62 | b | 69.37 | a | 65.70 | 62.97 | 64.83 | 67.77 | 70.23 | 67.77 | 74.84 | 71.53 | 66.45 | 67.55 | a | |||||||||
1960 | 58.94 | 61.72 | 62.58 | 65.17 | 64.55 | 65.03 | a | 65.13 | 63.84 | 66.10 | a | 67.58 | 63.83 | 63.03 | 63.96 | |||||||||||
1961 | 66.65 | 63.57 | 62.13 | 64.33 | 61.61 | 63.17 | 65.06 | 66.90 | 67.20 | 69.39 | 64.47 | 61.77 | 64.69 | |||||||||||||
1962 | 63.48 | 57.61 | 59.87 | 64.47 | 62.13 | 62.00 | 61.97 | 67.58 | 64.13 | 69.45 | 66.23 | 62.42 | 63.45 | |||||||||||||
1963 | 61.94 | 67.75 | 61.61 | 62.97 | 63.13 | 64.77 | 65.10 | 67.52 | 70.57 | 70.71 | 66.73 | 65.45 | 65.69 | |||||||||||||
1964 | 62.84 | 64.55 | 60.71 | 62.63 | 60.00 | 63.70 | 64.84 | 65.32 | 67.17 | 67.81 | 63.17 | 60.55 | 63.61 | |||||||||||||
1965 | 60.68 | 61.04 | 60.94 | 62.77 | 59.65 | 61.70 | 63.52 | 66.55 | 68.53 | 77.26 | 64.97 | 60.26 | 63.99 | |||||||||||||
1966 | 60.06 | 60.11 | 62.71 | 66.10 | 61.94 | 65.63 | 64.16 | 65.52 | 70.30 | 71.42 | 65.40 | 61.19 | 64.55 | |||||||||||||
1967 | 62.16 | 63.89 | 60.71 | 58.50 | 64.24 | b | 63.60 | 67.13 | 66.68 | 70.40 | 75.87 | 69.63 | 63.26 | 65.51 | ||||||||||||
1968 | 64.23 | 65.48 | 67.45 | 65.47 | 63.74 | 64.73 | 65.84 | 68.71 | 70.73 | 68.48 | 67.23 | 59.71 | 65.98 | |||||||||||||
1969 | 61.23 | 59.29 | 62.58 | 62.47 | 63.45 | 66.13 | 65.97 | 66.45 | 65.17 | 71.13 | 71.00 | 64.19 | 64.92 | |||||||||||||
1970 | 62.42 | 65.64 | 65.03 | 62.77 | 64.47 | a | 63.03 | 65.65 | 64.32 | 71.30 | 67.26 | 66.80 | 60.35 | 64.92 | ||||||||||||
1971 | 63.16 | 62.89 | 62.55 | 62.63 | 61.55 | 63.43 | 65.23 | 68.87 | 70.67 | 67.20 | a | 64.20 | 57.65 | 64.17 | ||||||||||||
1972 | 60.94 | 63.93 | 64.94 | 65.80 | 63.74 | 66.76 | a | 69.45 | 68.55 | 71.33 | 72.26 | 65.03 | 60.45 | 66.10 | ||||||||||||
1973 | 59.68 | 64.00 | 60.84 | 63.30 | 62.50 | a | 65.32 | b | 65.32 | 64.90 | 68.97 | 69.16 | 63.03 | 62.52 | 64.13 | |||||||||||
1974 | 59.65 | 63.61 | 61.87 | 64.63 | 60.68 | 64.17 | 65.71 | 65.74 | 64.97 | 67.52 | 66.17 | 61.84 | 63.88 | |||||||||||||
1975 | 63.61 | 60.25 | 59.63 | a | 59.53 | 61.23 | 63.17 | 62.90 | 65.16 | 64.10 | 67.35 | 64.70 | 62.90 | 62.88 | ||||||||||||
1976 | 66.48 | 63.38 | 62.00 | 60.47 | 63.16 | 66.70 | c | 65.55 | 67.87 | 68.67 | 71.13 | a | 69.93 | 67.61 | 66.08 | |||||||||||
1977 | 63.16 | 67.93 | 60.03 | 61.37 | 62.59 | d | 62.60 | 64.39 | 67.03 | 68.67 | 67.29 | 70.40 | 66.00 | 65.12 | ||||||||||||
1978 | 62.81 | 61.54 | 66.90 | 61.87 | 64.73 | a | 63.50 | 62.71 | 65.58 | 72.97 | 66.65 | 64.93 | 60.45 | 64.55 | ||||||||||||
1979 | 58.45 | 59.39 | 61.74 | 63.77 | 63.31 | b | 64.13 | 65.16 | 65.03 | 72.10 | 69.58 | 65.53 | 65.45 | 64.47 | ||||||||||||
1980 | 63.74 | 64.76 | 63.45 | 65.10 | 61.19 | 63.72 | a | 65.00 | 65.90 | 65.63 | 67.26 | 70.53 | 69.23 | 65.46 | ||||||||||||
1981 | 63.65 | 64.39 | 62.65 | 64.83 | 62.94 | 66.82 | b | 65.94 | 65.48 | 66.10 | 66.48 | 64.53 | 62.55 | 64.70 | ||||||||||||
1982 | 59.61 | 62.86 | 61.00 | 63.62 | a | 61.03 | 62.83 | 63.29 | 64.90 | 69.17 | 69.32 | 65.70 | 61.84 | 63.76 | ||||||||||||
1983 | 64.74 | 62.93 | 62.81 | 63.93 | 63.10 | 64.57 | 69.52 | 69.97 | 72.77 | 75.13 | a | 64.17 | 60.48 | 66.18 | ||||||||||||
1984 | 62.87 | 62.18 | a | 65.97 | 62.17 | 65.50 | a | 63.07 | 67.03 | 71.30 | a | 78.86 | b | 68.58 | 63.50 | 60.16 | 65.93 | |||||||||
1985 | 61.26 | 61.93 | 59.94 | 63.43 | 60.97 | a | 66.28 | l | 68.00 | c | 66.13 | a | 68.57 | 71.07 | a | 63.72 | a | 64.87 | 64.53 | a | ||||||
1986 | 66.83 | a | 64.00 | 65.03 | 65.76 | a | 63.42 | 65.03 | 66.35 | 64.83 | a | 66.73 | 68.55 | 70.53 | 58.70 | a | 65.48 | |||||||||
1987 | 54.58 | 59.43 | 62.84 | 65.10 | 63.22 | d | 64.20 | 65.71 | 66.97 | 66.47 | 70.90 | a | 66.48 | a | 60.29 | 63.85 | ||||||||||
1988 | 62.39 | 69.41 | 69.10 | 66.10 | 63.30 | a | 64.17 | 65.55 | 67.87 | 65.57 | 67.06 | 65.87 | 62.23 | a | 65.72 | |||||||||||
1989 | 61.77 | 58.93 | 64.42 | 67.62 | a | 62.47 | a | 65.03 | 65.32 | 64.45 | 65.17 | a | 69.71 | 71.07 | 67.87 | 65.32 | ||||||||||
1990 | 63.65 | 59.57 | 61.81 | 64.17 | 62.40 | a | 66.03 | 66.26 | 67.90 | 68.10 | a | 70.13 | 69.47 | 61.48 | 65.08 | |||||||||||
1991 | 62.68 | 64.79 | 58.74 | 63.03 | 59.81 | 60.69 | a | 64.65 | 65.77 | 64.57 | 65.68 | 70.67 | 64.13 | 63.77 | ||||||||||||
1992 | 64.61 | 65.90 | 64.16 | 68.90 | 66.03 | 65.80 | 67.38 | b | 66.90 | 66.97 | 70.19 | 70.20 | 60.94 | 66.50 | ||||||||||||
1993 | 62.52 | 62.46 | 65.71 | 66.67 | 66.23 | a | 66.31 | a | 67.90 | 67.10 | 68.53 | 71.06 | 70.10 | 64.74 | 66.61 | |||||||||||
1994 | 65.90 | 62.11 | 67.00 | 63.93 | 61.58 | 62.00 | 62.29 | 66.03 | 66.10 | 68.32 | 61.33 | 60.00 | 63.88 | |||||||||||||
1995 | 60.06 | 65.22 | a | 64.13 | 62.62 | a | 61.65 | 62.30 | 66.23 | 65.53 | a | 66.37 | 69.84 | 68.27 | 62.10 | 64.53 | ||||||||||
1996 | 61.97 | 63.00 | 64.13 | 68.47 | 64.68 | 63.31 | a | 62.84 | 64.35 | 64.93 | 68.81 | 65.97 | 62.13 | 64.55 | ||||||||||||
1997 | 61.68 | 62.61 | 64.00 | 61.07 | 67.27 | a | 64.53 | 64.68 | 69.45 | 72.66 | a | 71.74 | 67.10 | 62.00 | 65.73 | |||||||||||
1998 | 61.74 | 62.75 | 62.29 | 61.17 | 62.84 | 63.83 | 64.68 | 66.10 | 67.17 | 66.74 | 63.47 | 60.65 | 63.62 | |||||||||||||
1999 | 62.00 | 59.93 | 57.90 | a | 59.20 | 58.58 | 58.90 | 64.19 | 62.29 | 62.50 | 67.55 | 63.20 | 65.06 | 61.78 | ||||||||||||
2000 | 59.65 | 60.28 | 62.26 | 63.30 | 62.23 | 62.47 | 62.61 | 63.71 | 67.97 | 64.39 | 62.70 | 64.10 | 62.97 | |||||||||||||
2001 | 61.03 | 59.93 | 62.19 | 60.13 | 63.53 | a | 64.93 | 63.29 | 62.16 | 65.03 | 65.13 | 63.63 | 58.87 | 62.49 | ||||||||||||
2002 | 58.90 | 63.96 | 59.35 | 60.40 | 59.81 | 62.43 | 64.58 | e | 62.74 | 64.13 | 62.58 | 68.30 | 60.71 | 62.33 | ||||||||||||
2003 | 67.35 | 63.82 | 64.97 | 61.17 | 64.42 | 62.66 | a | 62.97 | 67.42 | 66.83 | 68.52 | 63.77 | 60.71 | 64.55 | ||||||||||||
2004 | 59.97 | 59.93 | 66.00 | 62.93 | 63.71 | 63.87 | 65.42 | 65.84 | 67.80 | 65.84 | 62.90 | 61.61 | 63.82 | |||||||||||||
2005 | 62.03 | a | 61.93 | 63.87 | a | 63.53 | 64.29 | 63.07 | 62.55 | 63.53 | a | 63.07 | 65.39 | 67.60 | 62.42 | 63.61 | ||||||||||
2006 | 61.58 | 63.46 | 57.61 | 61.90 | 61.97 | 62.93 | 64.23 | 65.28 | b | 64.23 | 66.48 | 66.23 | 62.77 | 63.22 | ||||||||||||
2007 | 61.73 | p | 65.22 | a | 70.57 | a | 69.28 | a | 67.61 | 69.62 | f | 66.97 | 69.97 | 75.71 | p | 73.43 | c | 69.33 | 63.19 | o | 69.05 | d | ||||
2008 | 62.45 | ----- | z | 68.40 | a | 69.07 | 68.58 | 67.12 | v | 73.84 | 72.96 | g | 73.32 | b | 74.74 | l | 70.63 | 62.29 | 68.57 | d | ||||||
2009 | 68.68 | 65.54 | 67.00 | 67.72 | a | 68.29 | 71.79 | p | 70.19 | 71.43 | a | 72.24 | i | 72.96 | f | 67.30 | 61.58 | 67.53 | c | |||||||
2010 | 63.97 | 64.32 | 66.62 | j | 66.77 | 66.13 | 67.74 | c | 70.00 | f | 71.24 | f | 72.27 | d | 69.65 | 66.86 | a | 59.97 | 66.41 | c | ||||||
2011 | 60.63 | a | 60.32 | 63.03 | 67.67 | 68.90 | a | 71.21 | a | 76.71 | 75.68 | 74.80 | 76.84 | 68.30 | ----- | z | 69.46 | a | ||||||||
2012 | ----- | z | ----- | z | ----- | z | 72.60 | 71.71 | 75.00 | 76.87 | a | 76.61 | 74.17 | 77.71 | 70.50 | 64.06 | 73.25 | c | ||||||||
2013 | 64.55 | 65.96 | 69.16 | 69.33 | 71.71 | 71.27 | 74.55 | 75.13 | 75.07 | 72.00 | 70.07 | 65.32 | 70.34 | |||||||||||||
2014 | 69.19 | 67.89 | 70.97 | 70.63 | 73.07 | c | 71.87 | 77.19 | 76.97 | 73.60 | 78.94 | 71.90 | 66.81 | 72.42 | ||||||||||||
2015 | 70.65 | 69.86 | 74.65 | 71.17 | 69.71 | 73.03 | 79.73 | a | 77.90 | 80.55 | a | 77.23 | 68.60 | 62.77 | 72.99 | |||||||||||
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 62.62 | 63.10 | 63.70 | 64.41 | 63.85 | 64.79 | 66.48 | 67.31 | 68.68 | 69.77 | 66.83 | 62.53 | 64.98 | |||||||||||||
S.D. | 2.87 | 2.70 | 3.47 | 3.10 | 3.10 | 3.01 | 3.97 | 3.58 | 3.87 | 3.61 | 2.84 | 2.46 | 2.13 | |||||||||||||
SKEW | 0.42 | 0.34 | 0.81 | 0.51 | 1.10 | 1.51 | 1.79 | 1.42 | 0.87 | 0.77 | 0.12 | 0.64 | 2.15 | |||||||||||||
MAX | 70.65 | 69.86 | 74.65 | 72.60 | 73.07 | 75.00 | 79.73 | 77.90 | 80.55 | 78.94 | 71.90 | 69.23 | 72.99 | |||||||||||||
MIN | 54.58 | 57.61 | 57.61 | 58.50 | 58.58 | 58.90 | 61.97 | 62.16 | 62.50 | 62.58 | 61.33 | 57.65 | 61.78 | |||||||||||||
YRS | 54 | 55 | 55 | 57 | 57 | 53 | 56 | 55 | 55 | 55 | 57 | 55 | 49 |