YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.17 | 98.74 | 95.84 | 92.83 | 79.94 | 69.90 | ----- | z | 89.90 | f | ||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.06 | n | 69.47 | 63.94 | 66.70 | j | ||
1949 | 52.32 | 64.32 | 72.71 | 82.53 | 89.39 | 98.07 | 96.65 | 97.81 | 94.17 | 79.42 | 79.93 | 64.32 | 80.97 | |||||||||||||
1950 | 64.13 | 71.25 | 76.19 | 85.47 | 88.10 | 98.43 | 93.45 | 98.42 | 92.40 | 92.45 | 79.00 | 73.00 | 84.36 | |||||||||||||
1951 | 63.65 | 67.18 | 72.19 | 78.27 | 90.10 | 97.47 | 101.74 | 96.77 | 98.23 | 86.39 | 70.97 | 62.97 | 82.16 | |||||||||||||
1952 | 64.48 | 66.10 | 65.45 | 78.90 | 92.48 | 98.80 | 99.61 | 97.71 | 98.10 | 93.13 | 69.37 | 62.90 | 82.25 | |||||||||||||
1953 | 69.81 | 66.86 | 74.81 | 79.77 | 84.58 | 100.07 | 98.13 | 99.32 | 98.97 | 86.06 | 76.67 | 63.16 | 83.18 | |||||||||||||
1954 | 67.90 | 75.64 | 72.00 | 87.30 | 91.32 | 98.43 | 98.97 | 95.10 | 96.30 | 88.81 | 78.80 | 68.45 | 84.92 | |||||||||||||
1955 | 59.32 | 64.14 | 74.71 | 81.13 | 87.19 | 98.93 | 97.77 | 93.03 | 96.83 | 89.71 | 73.40 | 70.61 | 82.23 | |||||||||||||
1956 | 69.84 | 62.86 | 77.97 | 79.37 | 92.65 | 100.97 | 98.23 | 97.39 | 99.63 | 85.52 | 73.17 | 67.06 | 83.72 | |||||||||||||
1957 | 64.00 | 74.21 | 72.52 | 81.73 | 85.81 | 100.37 | 100.65 | 96.10 | 96.27 | 79.26 | 67.00 | 68.13 | 82.17 | |||||||||||||
1958 | 65.10 | 68.57 | 65.58 | 79.43 | 94.71 | 99.97 | 99.71 | 96.26 | 92.60 | 82.97 | 71.30 | 71.29 | 82.29 | |||||||||||||
1959 | 69.58 | 65.89 | 74.39 | 84.43 | 88.74 | 99.87 | 99.19 | 91.81 | 93.73 | 83.94 | 70.93 | 63.00 | 82.13 | |||||||||||||
1960 | 58.87 | 61.41 | 77.03 | 82.33 | 88.94 | 99.87 | 98.74 | 96.29 | 95.17 | 80.55 | 73.87 | 63.03 | 81.34 | |||||||||||||
1961 | 64.19 | 67.18 | 72.48 | 82.10 | 89.84 | 99.60 | 98.39 | 93.58 | 89.30 | 81.90 | 66.47 | 61.19 | 80.52 | |||||||||||||
1962 | 60.39 | 66.82 | 67.39 | 86.43 | 87.87 | 96.47 | 96.87 | 100.45 | 92.50 | 84.03 | 74.77 | 65.35 | 81.61 | |||||||||||||
1963 | 61.16 | 71.21 | 72.39 | 79.40 | 93.26 | 96.57 | 99.81 | 92.26 | 94.83 | 87.10 | 71.80 | 66.84 | 82.22 | |||||||||||||
1964 | 62.19 | 62.59 | 68.39 | 77.43 | 89.23 | 97.37 | 97.94 | 92.35 | 87.37 | 85.55 | 68.53 | 64.61 | 79.46 | |||||||||||||
1965 | 66.32 | 64.89 | 69.39 | 79.40 | 86.19 | 93.57 | 97.52 | 96.90 | 89.93 | 87.39 | 74.90 | 62.71 | 80.76 | |||||||||||||
1966 | 59.77 | 59.82 | 74.87 | 82.10 | 91.55 | 97.97 | 97.71 | 94.03 | 89.73 | 83.10 | 75.47 | 65.87 | 81.00 | |||||||||||||
1967 | 67.16 | 71.36 | 77.58 | 77.47 | 87.61 | 95.10 | 97.00 | 96.35 | 92.73 | 85.58 | 76.37 | 59.71 | 82.00 | |||||||||||||
1968 | 64.61 | 71.34 | 70.87 | 77.20 | 89.13 | 99.43 | 96.87 | 93.29 | 94.43 | 87.29 | 71.33 | 65.16 | 81.75 | |||||||||||||
1969 | 67.77 | 66.29 | 68.84 | 82.07 | 90.42 | 96.40 | 97.71 | 98.84 | 93.70 | 81.13 | 70.10 | 65.13 | 81.53 | |||||||||||||
1970 | 64.13 | 70.64 | 68.81 | 76.60 | 90.61 | 98.43 | 99.35 | 96.55 | 88.17 | 79.39 | 74.97 | 64.90 | 81.05 | |||||||||||||
1971 | 65.65 | 66.64 | 76.39 | 78.37 | 85.13 | 96.80 | 100.23 | 91.94 | 92.07 | 76.32 | 70.43 | 58.35 | 79.86 | |||||||||||||
1972 | 65.71 | 71.79 | 81.03 | 82.50 | 88.39 | 95.97 | 99.55 | 94.58 | 91.53 | 77.13 | 65.70 | 61.19 | 81.26 | |||||||||||||
1973 | 60.06 | 64.68 | 62.94 | 73.70 | 88.19 | 96.27 | 97.42 | 97.42 | 94.20 | 86.06 | 72.73 | 66.77 | 80.04 | |||||||||||||
1974 | 62.71 | 66.89 | 73.42 | 81.30 | 90.35 | 102.10 | 94.94 | 94.87 | 89.20 | 80.06 | 70.57 | 60.29 | 80.56 | |||||||||||||
1975 | 63.35 | 64.86 | 69.03 | 72.77 | 85.00 | 96.30 | 95.94 | 98.71 | 91.67 | 84.35 | 74.23 | 66.16 | 80.20 | |||||||||||||
1976 | 66.42 | 70.72 | 72.13 | 79.20 | 88.87 | 99.20 | 94.42 | 97.84 | 89.20 | 79.39 | 72.37 | 65.29 | 81.25 | |||||||||||||
1977 | 61.03 | 71.07 | 69.00 | 81.13 | 85.29 | 99.33 | 98.42 | 97.55 | 93.40 | 84.55 | 75.53 | 68.65 | 82.08 | |||||||||||||
1978 | 63.61 | 64.61 | 73.84 | 80.17 | 88.42 | 101.80 | 100.97 | 96.58 | 92.43 | 85.77 | 69.33 | 60.61 | 81.51 | |||||||||||||
1979 | 57.84 | 66.86 | 69.39 | 81.93 | 86.06 | 97.90 | 100.87 | 95.97 | 97.17 | 87.61 | 70.37 | 68.55 | 81.71 | |||||||||||||
1980 | 65.29 | 69.45 | 69.48 | 80.03 | 87.06 | 102.70 | 101.42 | 96.81 | 94.17 | 82.52 | 73.53 | 71.48 | 82.83 | |||||||||||||
1981 | 65.68 | 71.14 | 69.26 | 83.97 | 87.61 | 100.77 | 97.90 | 98.52 | 94.10 | 82.03 | 76.90 | 69.48 | 83.11 | |||||||||||||
1982 | 62.87 | 66.96 | 70.90 | 81.47 | 87.55 | 97.37 | 98.00 | 95.84 | 92.13 | 83.19 | 68.67 | 61.35 | 80.53 | |||||||||||||
1983 | 65.26 | 65.89 | 68.90 | 73.90 | 89.90 | 97.67 | 100.52 | 96.90 | 94.30 | 81.03 | 69.87 | 65.90 | 80.84 | |||||||||||||
1984 | 64.35 | 68.55 | 76.00 | 78.50 | 96.13 | 97.13 | 96.61 | 94.52 | 93.50 | 77.71 | 71.67 | 62.48 | 81.43 | |||||||||||||
1985 | 60.13 | 66.21 | 71.77 | 83.83 | 90.94 | 102.13 | 101.23 | 99.29 | 90.93 | 83.32 | 71.17 | 68.35 | 82.44 | |||||||||||||
1986 | 73.68 | 70.50 | 78.29 | 84.40 | 93.42 | 102.17 | 98.68 | 98.94 | 93.73 | 84.48 | 72.70 | 65.35 | 84.69 | |||||||||||||
1987 | 65.52 | 67.07 | 72.19 | 85.43 | 89.77 | 103.13 | 103.29 | 99.00 | 94.27 | 89.55 | 72.87 | 63.23 | 83.78 | |||||||||||||
1988 | 67.32 | 73.86 | 77.74 | 83.70 | 93.35 | 104.03 | 101.81 | 98.84 | 95.67 | 89.81 | 74.17 | 65.45 | 85.48 | |||||||||||||
1989 | 63.61 | 73.64 | 82.03 | 91.83 | 94.68 | 102.90 | 104.45 | 100.03 | 99.23 | 85.42 | 77.17 | 67.65 | 86.89 | |||||||||||||
1990 | 66.29 | 67.32 | 76.55 | 85.47 | 91.39 | 105.70 | 97.58 | 95.94 | 95.50 | 88.90 | 76.10 | 63.61 | 84.20 | |||||||||||||
1991 | 65.39 | 74.25 | 69.74 | 82.57 | 91.16 | 99.83 | 101.52 | 99.94 | 94.33 | 89.13 | 73.37 | 64.81 | 83.84 | |||||||||||||
1992 | 63.10 | 69.48 | 72.84 | 87.80 | 91.55 | 101.67 | 101.58 | 98.35 | 98.20 | 90.06 | 71.43 | 62.90 | 84.08 | |||||||||||||
1993 | 65.55 | 65.82 | 76.48 | 85.83 | 94.81 | 102.63 | 101.48 | 98.61 | 96.37 | 85.97 | 72.93 | 67.32 | 84.48 | |||||||||||||
1994 | 69.52 | 69.36 | 76.90 | 85.00 | 92.16 | 105.50 | 105.06 | 103.97 | 97.97 | 84.55 | 69.37 | 65.58 | 85.41 | |||||||||||||
1995 | 64.58 | 73.96 | 75.71 | 82.17 | 88.84 | 100.80 | 102.39 | 99.42 | 95.27 | 88.58 | 77.50 | 67.87 | 84.76 | |||||||||||||
1996 | 69.55 | 71.38 | 75.65 | 84.83 | 95.19 | 102.33 | 100.90 | 98.19 | 89.30 | 83.74 | 74.70 | 68.48 | 84.52 | |||||||||||||
1997 | 63.61 | 67.86 | 80.23 | 79.17 | 94.61 | 98.73 | 101.26 | 97.45 | 96.67 | 83.48 | 75.03 | 59.90 | 83.17 | |||||||||||||
1998 | 67.10 | 61.29 | 70.90 | 75.70 | 88.68 | 98.23 | 98.13 | 98.94 | 96.33 | 85.84 | 75.87 | 65.77 | 81.90 | |||||||||||||
1999 | 69.97 | 73.18 | 77.52 | 76.50 | 90.71 | 98.23 | 95.23 | 97.61 | 94.80 | 90.48 | 82.60 | 65.48 | 84.36 | |||||||||||||
2000 | 70.45 | 72.86 | 73.55 | 86.03 | 96.48 | 98.03 | 101.03 | 97.26 | 98.57 | 79.16 | 65.33 | 68.81 | 83.96 | |||||||||||||
2001 | 61.26 | 66.46 | 74.48 | 81.37 | 95.32 | 101.17 | 97.42 | 98.87 | 97.87 | 87.61 | 75.80 | 63.29 | 83.41 | |||||||||||||
2002 | 65.58 | 72.11 | 75.03 | 87.10 | 92.55 | 103.83 | 99.13 | 98.68 | 94.87 | 82.58 | 75.67 | 62.81 | 84.16 | |||||||||||||
2003 | 73.58 | 66.50 | 73.10 | 80.77 | 93.48 | 100.97 | 102.48 | 97.74 | 95.77 | 88.84 | 71.50 | 66.94 | 84.31 | |||||||||||||
2004 | 64.58 | 63.93 | 79.77 | 79.57 | 93.16 | 100.13 | 99.94 | 96.90 | 93.53 | 82.71 | 67.73 | 65.10 | 82.25 | |||||||||||||
2005 | 66.00 | 64.89 | 71.87 | 82.47 | 92.23 | 100.27 | 104.23 | 95.03 | 96.47 | 86.00 | 78.03 | 69.81 | 83.94 | |||||||||||||
2006 | 69.55 | 73.21 | 71.61 | 83.50 | 94.48 | 102.40 | 99.74 | 94.00 | 90.63 | 83.77 | 78.77 | 64.84 | 83.88 | |||||||||||||
2007 | 60.68 | 69.79 | 78.32 | 83.27 | 93.26 | 101.53 | 99.77 | 97.97 | 95.33 | 87.26 | 79.87 | 61.42 | 84.04 | |||||||||||||
2008 | 63.58 | 69.28 | 76.03 | 84.40 | 88.52 | 102.47 | 96.87 | 96.77 | 95.00 | 88.26 | 77.00 | 66.45 | 83.72 | |||||||||||||
2009 | 69.10 | 72.50 | 77.97 | 82.13 | 94.87 | 96.83 | 102.52 | 101.94 | 96.53 | 83.71 | 78.73 | 63.42 | 85.02 | |||||||||||||
2010 | 65.97 | 64.89 | 71.97 | 79.87 | 90.17 | a | 101.40 | 100.19 | 98.61 | 98.13 | 86.10 | 72.77 | 71.03 | 83.42 | ||||||||||||
2011 | 66.97 | 66.86 | 80.13 | 84.60 | 88.81 | 103.00 | 100.42 | 101.26 | 95.70 | 88.45 | 71.80 | 60.39 | 84.03 | |||||||||||||
2012 | 70.03 | 69.90 | 76.61 | 85.53 | 95.00 | 103.43 | 97.29 | 100.48 | 94.20 | 88.81 | 79.60 | 66.10 | 85.58 | |||||||||||||
2013 | 63.19 | 64.25 | 80.90 | 85.00 | 93.16 | 105.40 | 99.03 | 99.52 | 95.47 | 85.35 | 75.83 | 66.03 | 84.43 | |||||||||||||
2014 | 72.42 | 75.14 | 78.45 | 84.17 | 92.06 | 103.77 | 100.00 | 96.29 | 93.37 | 89.29 | 76.20 | 66.23 | 85.62 | |||||||||||||
2015 | 67.03 | 75.18 | 80.19 | 83.87 | 87.68 | 102.87 | 98.29 | 101.39 | 93.93 | 85.32 | 73.33 | 64.81 | 84.49 | |||||||||||||
2016 | 66.19 | 77.97 | 80.23 | 82.93 | 89.65 | 102.73 | 102.48 | 96.71 | 92.70 | 92.55 | 77.30 | 69.13 | 85.88 | |||||||||||||
2017 | 65.03 | 72.75 | 83.29 | 86.80 | 91.48 | 105.33 | 99.32 | 99.16 | 96.53 | 92.48 | 84.07 | 70.48 | 87.23 | |||||||||||||
2018 | 73.58 | 70.07 | 77.03 | 88.40 | 94.45 | 102.03 | 100.74 | 97.97 | 97.47 | 80.29 | 74.23 | 65.42 | 85.14 | |||||||||||||
2019 | 65.81 | 63.32 | 75.71 | 84.47 | 84.81 | 100.77 | 103.58 | 101.94 | 94.27 | 86.39 | 76.27 | 65.23 | 83.54 | |||||||||||||
2020 | 67.39 | 68.41 | 73.03 | 85.13 | 96.74 | 102.20 | 103.97 | 105.23 | 99.17 | 92.55 | 79.50 | 68.90 | 86.85 | |||||||||||||
2021 | 68.45 | 72.29 | 75.10 | 86.23 | 94.00 | 104.60 | 97.16 | 96.97 | 95.87 | 86.55 | 82.60 | 70.03 | 85.82 | |||||||||||||
2022 | 68.87 | 70.14 | 77.23 | 88.47 | 95.97 | 102.33 | 102.06 | 97.23 | 96.87 | 84.06 | 72.43 | 66.65 | 85.19 | |||||||||||||
2023 | 64.39 | 66.21 | 71.81 | 86.83 | 92.23 | 100.20 | 108.39 | 102.13 | 99.73 | 90.58 | 78.23 | 70.29 | 85.92 | |||||||||||||
2024 | 65.16 | 69.52 | 72.13 | 81.83 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.94 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 65.35 | 68.61 | 74.06 | 82.23 | 90.74 | 100.28 | 99.59 | 97.49 | 94.52 | 85.27 | 73.90 | 65.60 | 83.16 | |||||||||||||
S.D. | 3.76 | 3.83 | 4.18 | 3.71 | 3.16 | 2.71 | 2.61 | 2.62 | 2.86 | 3.92 | 3.99 | 3.16 | 1.85 | |||||||||||||
SKEW | -0.28 | 0.08 | -0.13 | -0.25 | -0.03 | -0.06 | 0.46 | 0.15 | -0.35 | -0.10 | 0.17 | 0.03 | 0.07 | |||||||||||||
MAX | 73.68 | 77.97 | 83.29 | 91.83 | 96.74 | 105.70 | 108.39 | 105.23 | 99.73 | 93.13 | 84.07 | 73.00 | 87.23 | |||||||||||||
MIN | 52.32 | 59.82 | 62.94 | 72.77 | 84.58 | 93.57 | 93.45 | 91.81 | 87.37 | 76.32 | 65.33 | 58.35 | 79.46 | |||||||||||||
YRS | 76 | 76 | 76 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 77 | 76 | 75 |