YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | 54.42 | 59.79 | 61.90 | 69.30 | 69.48 | 74.97 | 76.00 | 79.45 | 78.80 | 73.87 | 77.53 | 64.84 | 70.03 | |||||||||||||
1950 | 57.87 | 62.93 | 65.03 | 68.10 | 67.06 | 71.87 | 77.48 | 76.94 | 73.50 | 76.45 | 72.60 | 70.32 | 70.01 | |||||||||||||
1951 | 63.52 | 63.93 | 67.03 | 64.90 | 69.68 | 71.43 | 78.65 | 77.71 | 77.47 | 77.68 | 70.77 | 62.81 | 70.46 | |||||||||||||
1952 | 60.55 | 65.48 | 63.10 | 70.37 | 77.81 | 77.57 | 84.35 | 83.65 | 82.43 | 73.77 | 67.20 | 63.00 | 72.44 | |||||||||||||
1953 | 68.19 | 67.64 | 68.74 | 68.47 | 75.81 | 79.93 | 86.03 | 81.00 | 78.80 | 78.74 | 71.53 | 67.06 | 74.33 | |||||||||||||
1954 | 62.26 | 72.29 | 62.45 | 64.90 | 67.71 | 71.13 | 82.10 | 77.48 | 78.70 | 72.39 | 72.93 | 67.13 | 70.96 | |||||||||||||
1955 | 61.32 | 64.75 | 67.23 | 67.83 | 67.16 | 72.00 | 76.13 | 81.19 | 80.67 | 69.45 | 68.93 | 61.55 | 69.85 | |||||||||||||
1956 | 62.71 | 60.66 | 68.06 | 64.20 | 70.65 | 74.30 | 77.94 | 77.87 | 83.93 | 72.29 | 79.30 | 71.35 | 71.94 | |||||||||||||
1957 | 60.58 | 65.89 | 66.06 | 66.20 | 68.16 | 77.47 | 81.19 | 81.00 | 78.47 | ----- | z | ----- | z | ----- | z | 71.67 | c | |||||||||
1958 | ----- | z | ----- | z | ----- | z | 73.73 | 75.52 | 78.60 | 81.35 | 84.13 | 86.37 | 84.13 | 73.27 | 71.97 | 78.78 | c | |||||||||
1959 | 69.16 | 65.57 | 74.35 | 73.97 | 71.94 | 79.23 | 86.13 | 84.10 | 80.57 | 78.61 | 77.93 | 68.74 | 75.86 | |||||||||||||
1960 | 63.10 | 64.79 | 68.94 | 76.07 | 77.29 | 78.77 | 86.16 | 83.71 | 86.70 | 78.23 | 69.70 | 67.52 | 75.08 | |||||||||||||
1961 | 72.10 | 70.07 | 67.52 | 72.60 | 70.68 | 75.30 | 80.58 | 82.48 | 80.13 | 80.23 | 70.67 | 62.52 | 73.74 | |||||||||||||
1962 | 66.39 | 58.93 | 62.58 | 73.10 | 70.97 | 73.00 | 79.39 | 83.10 | 78.67 | 74.32 | 70.03 | 67.61 | 71.51 | |||||||||||||
1963 | 64.77 | 69.89 | 66.32 | 67.47 | 72.61 | 75.30 | 80.55 | 84.16 | 86.83 | 78.42 | 71.07 | 71.03 | 74.04 | |||||||||||||
1964 | 68.42 | 69.66 | 67.16 | 69.00 | 68.77 | 71.20 | 80.45 | 78.42 | 77.03 | 77.19 | 67.00 | 61.00 | 71.28 | |||||||||||||
1965 | 64.06 | 65.11 | 65.61 | 68.90 | 70.81 | 70.17 | 77.74 | 83.06 | 78.17 | 82.77 | 68.53 | 64.32 | 71.61 | |||||||||||||
1966 | 64.71 | 63.86 | 68.48 | 71.97 | 72.06 | 78.20 | 84.81 | 86.52 | 83.13 | 81.48 | 71.07 | 67.06 | 74.45 | |||||||||||||
1967 | 66.10 | 71.43 | 67.68 | 64.73 | 76.03 | 74.17 | 85.23 | 90.26 | 82.53 | 83.74 | 75.07 | 64.77 | 75.14 | |||||||||||||
1968 | 67.32 | 69.62 | 72.39 | 74.27 | 75.77 | 77.33 | 84.68 | 84.13 | 82.50 | 76.35 | 72.10 | 65.52 | 75.17 | |||||||||||||
1969 | 65.35 | 62.11 | 66.68 | 70.27 | 72.74 | 73.67 | 83.06 | 86.10 | 81.33 | 78.03 | 77.03 | 68.61 | 73.75 | |||||||||||||
1970 | 64.45 | 70.43 | 69.81 | 71.33 | 76.61 | 77.47 | 84.52 | 86.42 | 84.87 | 75.90 | 70.80 | 64.29 | 74.74 | |||||||||||||
1971 | 65.58 | 67.07 | 70.29 | 71.93 | 71.68 | 76.90 | 83.87 | 89.71 | 86.37 | 81.42 | 71.13 | 62.61 | 74.88 | |||||||||||||
1972 | 64.48 | 66.83 | 68.29 | 73.53 | 75.97 | 78.37 | 84.81 | 82.55 | 81.40 | 76.03 | 70.70 | 65.39 | 74.03 | |||||||||||||
1973 | 64.35 | 66.61 | 63.87 | 72.90 | 73.68 | 81.30 | 81.00 | 81.97 | 76.70 | 79.16 | 67.53 | 67.26 | 73.03 | |||||||||||||
1974 | 62.19 | 68.43 | 65.19 | 73.77 | 71.90 | 80.20 | 83.16 | 81.42 | 81.20 | 74.87 | 75.70 | 65.74 | 73.65 | |||||||||||||
1975 | 69.65 | 67.36 | 64.45 | 65.53 | 71.26 | 73.87 | 81.32 | 82.29 | 84.13 | 77.13 | 72.93 | 69.19 | 73.26 | |||||||||||||
1976 | 75.06 | 68.38 | 70.94 | 68.47 | 73.48 | 82.67 | 80.61 | 83.84 | 80.63 | 82.42 | 79.10 | 73.87 | 76.62 | |||||||||||||
1977 | 68.10 | 72.68 | 66.48 | 72.47 | 70.94 | 76.70 | 84.32 | 84.58 | 80.97 | 80.00 | 79.67 | 69.10 | 75.50 | |||||||||||||
1978 | 64.52 | 65.86 | 71.84 | 70.00 | 79.58 | 79.93 | 83.26 | 82.42 | 86.00 | 78.68 | 68.80 | 63.58 | 74.54 | |||||||||||||
1979 | 62.77 | 65.04 | 68.42 | 74.63 | 74.74 | 83.07 | 82.10 | 82.65 | 86.80 | 75.77 | 72.27 | 72.23 | 75.04 | |||||||||||||
1980 | 66.77 | 69.97 | 67.55 | 72.93 | 70.48 | 79.80 | 85.52 | 83.52 | 79.30 | 78.77 | 74.57 | 72.06 | 75.10 | |||||||||||||
1981 | 68.74 | 70.82 | 66.94 | 72.20 | 74.35 | 85.47 | 86.03 | 86.45 | 82.53 | 76.84 | 72.60 | 68.90 | 75.99 | |||||||||||||
1982 | 63.74 | 67.89 | 67.16 | 70.97 | 71.48 | 72.43 | 83.06 | 86.13 | 83.50 | 81.77 | 71.27 | 66.16 | 73.80 | |||||||||||||
1983 | 70.00 | 67.68 | 67.52 | 69.73 | 74.29 | 74.23 | 83.48 | 89.10 | 85.33 | 80.29 | 69.13 | 64.87 | 74.64 | |||||||||||||
1984 | 69.65 | 69.17 | 71.26 | 71.97 | 77.32 | 76.43 | 86.39 | 84.77 | 88.67 | 74.81 | 66.83 | 62.84 | 75.01 | |||||||||||||
1985 | 63.87 | 65.79 | 64.81 | 72.23 | 70.52 | 78.53 | 85.65 | 83.19 | 78.83 | 77.06 | 66.67 | 69.58 | 73.06 | |||||||||||||
1986 | 72.13 | 67.32 | 69.03 | 72.03 | 73.58 | 77.53 | 80.23 | 85.55 | 75.73 | 76.26 | 75.43 | 68.84 | 74.47 | |||||||||||||
1987 | 65.48 | 67.71 | 68.74 | 76.10 | 73.52 | 75.50 | 77.42 | 80.90 | 83.03 | 78.94 | 72.60 | 62.87 | 73.57 | |||||||||||||
1988 | 67.52 | 72.86 | 74.97 | 72.50 | 75.32 | 74.77 | 80.94 | 81.90 | 79.90 | 76.23 | 69.50 | 66.26 | 74.39 | |||||||||||||
1989 | 67.39 | 65.25 | 70.55 | 76.10 | 73.65 | 75.83 | 81.58 | 81.19 | 83.40 | 76.29 | 76.87 | 72.90 | 75.08 | |||||||||||||
1990 | 68.81 | 66.00 | 68.13 | 72.13 | 74.74 | 81.97 | 85.58 | 81.97 | 83.90 | 81.81 | 76.03 | 68.84 | 75.83 | |||||||||||||
1991 | 67.61 | 72.39 | 64.55 | 72.27 | 71.94 | 73.30 | 78.10 | 81.00 | 81.87 | 80.19 | 77.13 | 68.35 | 74.06 | |||||||||||||
1992 | 70.26 | 70.41 | 66.29 | 76.93 | 75.00 | 78.47 | 83.35 | 87.52 | 85.43 | 77.52 | 75.27 | 65.29 | 75.98 | |||||||||||||
1993 | 64.10 | 64.61 | 71.03 | 74.33 | 76.58 | 78.80 | 79.10 | 81.65 | 82.20 | 78.74 | 73.63 | 69.58 | 74.53 | |||||||||||||
1994 | 71.29 | 65.68 | 70.39 | 70.37 | 71.06 | 81.23 | 80.16 | 87.71 | 84.03 | 77.81 | 68.47 | 66.58 | 74.56 | |||||||||||||
1995 | 63.16 | 71.21 | 68.29 | 71.43 | 68.90 | 74.67 | 82.71 | 86.52 | 84.20 | 76.74 | 73.07 | 67.35 | 74.02 | |||||||||||||
1996 | 67.06 | 66.00 | 68.68 | 76.90 | 75.94 | 78.80 | 83.03 | 84.71 | 80.27 | 73.42 | 71.30 | 66.00 | 74.34 | |||||||||||||
1997 | 64.26 | 67.25 | 73.03 | 73.63 | 80.29 | 76.37 | 80.48 | 86.32 | 88.70 | 80.97 | 74.30 | 68.55 | 76.18 | |||||||||||||
1998 | 65.65 | 64.39 | 69.94 | 71.67 | 72.68 | 77.60 | 84.97 | 90.52 | 82.03 | 77.61 | 70.20 | 68.42 | 74.64 | |||||||||||||
1999 | 69.81 | 66.82 | 65.42 | 67.77 | 69.87 | 73.63 | 81.48 | 80.13 | 77.10 | 83.68 | 71.00 | 71.29 | 73.17 | |||||||||||||
2000 | 68.61 | 65.90 | 67.42 | 73.30 | 76.48 | 81.43 | 82.84 | 84.29 | 82.47 | 71.94 | 68.10 | 68.26 | 74.25 | |||||||||||||
2001 | 63.13 | 61.50 | 66.26 | 67.90 | 73.77 | 79.37 | 78.84 | 80.94 | 81.07 | 74.81 | 68.87 | 64.26 | 71.72 | |||||||||||||
2002 | 66.27 | a | 69.68 | 68.13 | 67.83 | 71.94 | 75.00 | 79.39 | 78.45 | 82.03 | 71.00 | 74.77 | 64.77 | 72.44 | ||||||||||||
2003 | 74.00 | 65.89 | 69.35 | 68.20 | 71.00 | 72.27 | 81.48 | 86.45 | 79.47 | 79.23 | 69.43 | 65.48 | 73.52 | |||||||||||||
2004 | 66.32 | 64.69 | 72.06 | 73.17 | 78.35 | 74.47 | 82.97 | 79.52 | 83.23 | 72.23 | 67.10 | 66.03 | 73.35 | |||||||||||||
2005 | 65.45 | 65.89 | 66.87 | 70.50 | 74.35 | 75.03 | 80.84 | 81.94 | 79.17 | 75.16 | 74.03 | 66.81 | 73.00 | |||||||||||||
2006 | 67.48 | 68.89 | 62.35 | 67.00 | 71.84 | 80.73 | 87.13 | 82.00 | 79.87 | 75.00 | 74.40 | 68.26 | 73.75 | |||||||||||||
2007 | 65.45 | 67.32 | 73.16 | 70.17 | 73.94 | 75.90 | 80.90 | 84.84 | 80.87 | 78.77 | 71.37 | 65.10 | 73.98 | |||||||||||||
2008 | 63.97 | 65.14 | 70.61 | 74.43 | 73.16 | 79.03 | 79.84 | 83.00 | 81.83 | 82.61 | 75.60 | 63.61 | 74.40 | |||||||||||||
2009 | 72.45 | 65.46 | 67.58 | 72.03 | 73.26 | 74.13 | 82.87 | 84.39 | 85.20 | 76.45 | 74.00 | 64.94 | 74.40 | |||||||||||||
2010 | 67.52 | 65.39 | 69.74 | 67.73 | 71.58 | 73.70 | 77.00 | 81.58 | 81.80 | 73.77 | 72.17 | 64.58 | 72.21 | |||||||||||||
2011 | 69.87 | 64.86 | 69.10 | 71.97 | 72.84 | 73.40 | 80.71 | 81.39 | 79.20 | 77.10 | 69.23 | 66.29 | 73.00 | |||||||||||||
2012 | 71.10 | 67.34 | 67.74 | 72.80 | 74.06 | 76.53 | 79.65 | 85.94 | 88.10 | 80.29 | 72.27 | 63.71 | 74.96 | |||||||||||||
2013 | 67.35 | 66.68 | 69.71 | 71.77 | 77.06 | 77.43 | 80.61 | 82.32 | 84.83 | 76.74 | 73.93 | 70.32 | 74.90 | |||||||||||||
2014 | 73.10 | 68.25 | 71.87 | 75.23 | 79.19 | 77.00 | 83.29 | 84.39 | 86.67 | 81.23 | 76.33 | 67.32 | 76.99 | |||||||||||||
2015 | 71.81 | 73.18 | 78.03 | 76.17 | 71.48 | 79.97 | 82.84 | 86.10 | 87.97 | 85.23 | 74.20 | 68.32 | 77.94 | |||||||||||||
2016 | 66.06 | 76.59 | 70.45 | 75.47 | 71.00 | 78.53 | 83.74 | 83.39 | 82.73 | 79.39 | 76.17 | 66.00 | 75.79 | |||||||||||||
2017 | 63.97 | 64.75 | 74.06 | 75.80 | 73.68 | 77.80 | 83.06 | 83.35 | 82.17 | 83.26 | 75.57 | 74.77 | 76.02 | |||||||||||||
2018 | 74.16 | 69.82 | 68.94 | 74.53 | 71.77 | 77.07 | 86.68 | 86.58 | 81.13 | 79.03 | 76.03 | 67.90 | 76.14 | |||||||||||||
2019 | 67.13 | 61.32 | 69.13 | 73.03 | 70.32 | 75.60 | 82.71 | 85.48 | 84.33 | 83.42 | 73.17 | 65.00 | 74.22 | |||||||||||||
2020 | 66.65 | 68.90 | 65.55 | 69.37 | 76.77 | 77.47 | 81.65 | 84.94 | 86.00 | 81.23 | 73.07 | 70.52 | 75.17 | |||||||||||||
2021 | 68.23 | 68.93 | 67.35 | 72.00 | 71.39 | 76.20 | 81.68 | 83.19 | 81.63 | 76.65 | 74.40 | 62.26 | 73.66 | |||||||||||||
2022 | 68.45 | 72.57 | 71.97 | 74.43 | 72.45 | 79.70 | 81.84 | 86.35 | 88.37 | 78.52 | 71.73 | 66.84 | 76.10 | |||||||||||||
2023 | 64.61 | 66.43 | 65.81 | 70.47 | 68.29 | 72.67 | 85.03 | 84.39 | 79.37 | 81.23 | 77.85 | c | 71.61 | 73.98 | ||||||||||||
2024 | 66.87 | 65.55 | 68.67 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.03 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 66.55 | 67.11 | 68.31 | 71.39 | 73.07 | 76.69 | 82.08 | 83.47 | 82.20 | 77.97 | 72.60 | 67.03 | 74.04 | |||||||||||||
S.D. | 3.71 | 3.27 | 3.08 | 3.12 | 2.98 | 3.16 | 2.68 | 2.93 | 3.28 | 3.38 | 3.27 | 3.07 | 1.66 | |||||||||||||
SKEW | -0.18 | 0.12 | 0.36 | -0.39 | 0.23 | 0.19 | -0.21 | 0.06 | -0.00 | -0.10 | 0.12 | 0.31 | -0.58 | |||||||||||||
MAX | 75.06 | 76.59 | 78.03 | 76.93 | 80.29 | 85.47 | 87.13 | 90.52 | 88.70 | 85.23 | 79.67 | 74.77 | 77.94 | |||||||||||||
MIN | 54.42 | 58.93 | 61.90 | 64.20 | 67.06 | 70.17 | 76.00 | 76.94 | 73.50 | 69.45 | 66.67 | 61.00 | 69.85 | |||||||||||||
YRS | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 74 | 73 |