Table of

T
NOAA NCEP CPC Indices NHTI Explained Variance of leading 10 modes

Time Explained Variance of leading 10 modes

months since 1960-01-01 percent

Jan 1950 86.0

Feb 1950 58.6

Mar 1950 54.3

Apr 1950 64.8

May 1950 49.6

Jun 1950 42.3

Jul 1950 71.6

Aug 1950 42.8

Sep 1950 53.3

Oct 1950 58.8

Nov 1950 88.3

Dec 1950 89.4

Jan 1951 56.1

Feb 1951 54.1

Mar 1951 77.6

Apr 1951 66.3

May 1951 40.2

Jun 1951 68.9

Jul 1951 44.5

Aug 1951 54.8

Sep 1951 59.2

Oct 1951 55.2

Nov 1951 40.5

Dec 1951 69.0

Jan 1952 85.2

Feb 1952 76.7

Mar 1952 61.6

Apr 1952 66.2

May 1952 24.1

Jun 1952 30.4

Jul 1952 45.5

Aug 1952 45.4

Sep 1952 54.6

Oct 1952 51.2

Nov 1952 69.4

Dec 1952 76.0

Jan 1953 68.6

Feb 1953 84.1

Mar 1953 75.5

Apr 1953 63.8

May 1953 58.0

Jun 1953 55.8

Jul 1953 45.6

Aug 1953 41.9

Sep 1953 52.3

Oct 1953 50.1

Nov 1953 78.0

Dec 1953 70.3

Jan 1954 56.0

Feb 1954 69.6

Mar 1954 87.3

Apr 1954 78.8

May 1954 71.0

Jun 1954 54.0

Jul 1954 75.5

Aug 1954 63.2

Sep 1954 58.4

Oct 1954 67.4

Nov 1954 74.8

Dec 1954 73.2

Jan 1955 68.7

Feb 1955 71.3

Mar 1955 70.8

Apr 1955 53.2

May 1955 56.9

Jun 1955 58.3

Jul 1955 60.7

Aug 1955 59.1

Sep 1955 46.3

Oct 1955 72.4

Nov 1955 70.2

Dec 1955 72.2

Jan 1956 82.6

Feb 1956 79.4

Mar 1956 59.8

Apr 1956 59.7

May 1956 47.3

Jun 1956 71.3

Jul 1956 42.3

Aug 1956 76.7

Sep 1956 47.9

Oct 1956 80.5

Nov 1956 53.1

Dec 1956 87.5

Jan 1957 74.3

Feb 1957 75.0

Mar 1957 71.1

Apr 1957 33.3

May 1957 81.7

Jun 1957 75.6

Jul 1957 68.1

Aug 1957 53.9

Sep 1957 59.5

Oct 1957 52.5

Nov 1957 72.0

Dec 1957 57.2

Jan 1958 73.1

Feb 1958 64.3

Mar 1958 81.9

Apr 1958 57.6

May 1958 24.3

Jun 1958 63.5

Jul 1958 69.3

Aug 1958 57.0

Sep 1958 79.3

Oct 1958 35.9

Nov 1958 50.7

Dec 1958 54.6

Jan 1959 53.5

Feb 1959 85.7

Mar 1959 82.9

Apr 1959 31.0

May 1959 69.0

Jun 1959 54.9

Jul 1959 62.6

Aug 1959 84.3

Sep 1959 72.3

Oct 1959 71.0

Nov 1959 82.3

Dec 1959 68.1

Jan 1960 55.1

Feb 1960 69.1

Mar 1960 71.9

Apr 1960 67.3

May 1960 65.7

Jun 1960 48.8

Jul 1960 66.2

Aug 1960 72.6

Sep 1960 73.2

Oct 1960 65.4

Nov 1960 56.6

Dec 1960 76.9

Jan 1961 60.0

Feb 1961 61.0

Mar 1961 70.2

Apr 1961 75.0

May 1961 29.6

Jun 1961 65.8

Jul 1961 72.4

Aug 1961 65.6

Sep 1961 85.1

Oct 1961 93.1

Nov 1961 56.1

Dec 1961 86.6

Jan 1962 67.0

Feb 1962 63.0

Mar 1962 74.4

Apr 1962 72.6

May 1962 68.0

Jun 1962 73.3

Jul 1962 73.7

Aug 1962 64.6

Sep 1962 63.9

Oct 1962 49.0

Nov 1962 75.6

Dec 1962 65.0

Jan 1963 82.3

Feb 1963 81.8

Mar 1963 71.9

Apr 1963 56.2

May 1963 87.4

Jun 1963 52.4

Jul 1963 66.0

Aug 1963 54.8

Sep 1963 64.6

Oct 1963 58.2

Nov 1963 61.8

Dec 1963 75.4

Jan 1964 74.5

Feb 1964 63.4

Mar 1964 64.0

Apr 1964 63.0

May 1964 76.3

Jun 1964 62.1

Jul 1964 61.4

Aug 1964 69.0

Sep 1964 54.5

Oct 1964 54.0

Nov 1964 66.0

Dec 1964 62.2

Jan 1965 31.8

Feb 1965 75.3

Mar 1965 78.2

Apr 1965 55.1

May 1965 59.2

Jun 1965 27.7

Jul 1965 56.2

Aug 1965 54.9

Sep 1965 76.2

Oct 1965 57.8

Nov 1965 69.8

Dec 1965 69.1

Jan 1966 55.1

Feb 1966 68.6

Mar 1966 60.2

Apr 1966 58.8

May 1966 45.8

Jun 1966 51.6

Jul 1966 67.5

Aug 1966 50.3

Sep 1966 57.7

Oct 1966 65.4

Nov 1966 76.9

Dec 1966 85.2

Jan 1967 39.2

Feb 1967 61.4

Mar 1967 80.7

Apr 1967 78.5

May 1967 77.2

Jun 1967 46.0

Jul 1967 54.2

Aug 1967 69.2

Sep 1967 51.5

Oct 1967 64.7

Nov 1967 60.1

Dec 1967 68.4

Jan 1968 78.1

Feb 1968 76.2

Mar 1968 42.5

Apr 1968 55.8

May 1968 79.4

Jun 1968 40.8

Jul 1968 57.5

Aug 1968 57.3

Sep 1968 73.9

Oct 1968 52.8

Nov 1968 68.5

Dec 1968 68.1

Jan 1969 79.2

Feb 1969 88.8

Mar 1969 71.4

Apr 1969 58.2

May 1969 68.7

Jun 1969 59.3

Jul 1969 51.4

Aug 1969 55.9

Sep 1969 41.1

Oct 1969 53.7

Nov 1969 43.7

Dec 1969 84.8

Jan 1970 81.0

Feb 1970 56.4

Mar 1970 88.2

Apr 1970 67.4

May 1970 46.6

Jun 1970 59.8

Jul 1970 24.1

Aug 1970 56.9

Sep 1970 57.1

Oct 1970 50.3

Nov 1970 64.1

Dec 1970 66.1

Jan 1971 82.6

Feb 1971 66.4

Mar 1971 49.0

Apr 1971 55.5

May 1971 41.2

Jun 1971 44.1

Jul 1971 60.3

Aug 1971 55.3

Sep 1971 64.9

Oct 1971 61.7

Nov 1971 62.6

Dec 1971 80.3

Jan 1972 79.2

Feb 1972 82.8

Mar 1972 65.6

Apr 1972 68.3

May 1972 46.3

Jun 1972 69.1

Jul 1972 52.4

Aug 1972 51.2

Sep 1972 74.8

Oct 1972 49.4

Nov 1972 44.4

Dec 1972 77.3

Jan 1973 77.5

Feb 1973 70.5

Mar 1973 49.1

Apr 1973 47.2

May 1973 42.2

Jun 1973 42.3

Jul 1973 31.8

Aug 1973 44.5

Sep 1973 61.5

Oct 1973 71.8

Nov 1973 82.4

Dec 1973 53.7

Jan 1974 89.6

Feb 1974 66.2

Mar 1974 42.4

Apr 1974 47.5

May 1974 24.7

Jun 1974 63.4

Jul 1974 48.5

Aug 1974 65.3

Sep 1974 62.2

Oct 1974 67.4

Nov 1974 41.5

Dec 1974 80.9

Jan 1975 71.5

Feb 1975 45.9

Mar 1975 35.6

Apr 1975 60.2

May 1975 56.1

Jun 1975 58.6

Jul 1975 31.3

Aug 1975 47.6

Sep 1975 52.4

Oct 1975 48.2

Nov 1975 67.9

Dec 1975 63.3

Jan 1976 68.2

Feb 1976 78.1

Mar 1976 77.1

Apr 1976 68.3

May 1976 31.2

Jun 1976 68.6

Jul 1976 55.8

Aug 1976 64.4

Sep 1976 57.7

Oct 1976 59.7

Nov 1976 62.3

Dec 1976 67.0

Jan 1977 85.1

Feb 1977 82.4

Mar 1977 70.7

Apr 1977 52.6

May 1977 52.1

Jun 1977 23.2

Jul 1977 37.2

Aug 1977 60.3

Sep 1977 61.9

Oct 1977 69.8

Nov 1977 48.4

Dec 1977 62.1

Jan 1978 59.8

Feb 1978 82.8

Mar 1978 62.8

Apr 1978 53.6

May 1978 27.4

Jun 1978 70.5

Jul 1978 58.9

Aug 1978 31.1

Sep 1978 63.5

Oct 1978 54.1

Nov 1978 75.0

Dec 1978 75.8

Jan 1979 68.0

Feb 1979 58.6

Mar 1979 60.8

Apr 1979 49.0

May 1979 49.6

Jun 1979 71.0

Jul 1979 83.0

Aug 1979 46.6

Sep 1979 50.4

Oct 1979 56.4

Nov 1979 61.8

Dec 1979 70.2

Jan 1980 72.6

Feb 1980 60.7

Mar 1980 70.3

Apr 1980 74.1

May 1980 86.8

Jun 1980 79.7

Jul 1980 43.7

Aug 1980 81.1

Sep 1980 56.9

Oct 1980 66.8

Nov 1980 71.0

Dec 1980 79.7

Jan 1981 74.7

Feb 1981 47.5

Mar 1981 78.8

Apr 1981 61.5

May 1981 57.4

Jun 1981 41.8

Jul 1981 55.1

Aug 1981 52.6

Sep 1981 54.4

Oct 1981 73.5

Nov 1981 76.4

Dec 1981 60.6

Jan 1982 54.4

Feb 1982 78.9

Mar 1982 72.3

Apr 1982 57.2

May 1982 53.2

Jun 1982 75.5

Jul 1982 61.3

Aug 1982 38.8

Sep 1982 59.9

Oct 1982 39.1

Nov 1982 46.5

Dec 1982 60.6

Jan 1983 84.1

Feb 1983 67.1

Mar 1983 64.6

Apr 1983 63.0

May 1983 60.4

Jun 1983 70.3

Jul 1983 81.0

Aug 1983 73.7

Sep 1983 55.6

Oct 1983 73.4

Nov 1983 85.1

Dec 1983 53.8

Jan 1984 86.4

Feb 1984 59.3

Mar 1984 85.9

Apr 1984 59.2

May 1984 57.7

Jun 1984 25.9

Jul 1984 68.0

Aug 1984 57.1

Sep 1984 35.8

Oct 1984 62.5

Nov 1984 65.4

Dec 1984 78.3

Jan 1985 70.2

Feb 1985 58.6

Mar 1985 74.5

Apr 1985 56.0

May 1985 37.1

Jun 1985 39.9

Jul 1985 54.0

Aug 1985 45.2

Sep 1985 61.4

Oct 1985 61.6

Nov 1985 67.9

Dec 1985 75.7

Jan 1986 72.3

Feb 1986 69.4

Mar 1986 81.6

Apr 1986 40.3

May 1986 47.6

Jun 1986 45.3

Jul 1986 58.7

Aug 1986 53.7

Sep 1986 84.8

Oct 1986 71.5

Nov 1986 69.6

Dec 1986 68.2

Jan 1987 80.9

Feb 1987 55.1

Mar 1987 46.4

Apr 1987 84.8

May 1987 54.6

Jun 1987 50.5

Jul 1987 81.4

Aug 1987 71.6

Sep 1987 89.4

Oct 1987 69.8

Nov 1987 43.9

Dec 1987 87.6

Jan 1988 79.1

Feb 1988 67.8

Mar 1988 37.6

Apr 1988 68.3

May 1988 58.0

Jun 1988 68.8

Jul 1988 56.9

Aug 1988 32.7

Sep 1988 63.2

Oct 1988 41.3

Nov 1988 67.1

Dec 1988 73.4

Jan 1989 90.6

Feb 1989 77.6

Mar 1989 83.6

Apr 1989 61.5

May 1989 50.5

Jun 1989 34.8

Jul 1989 66.8

Aug 1989 45.5

Sep 1989 68.8

Oct 1989 72.9

Nov 1989 64.4

Dec 1989 79.2

Jan 1990 58.2

Feb 1990 68.8

Mar 1990 72.3

Apr 1990 71.4

May 1990 67.1

Jun 1990 39.2

Jul 1990 36.7

Aug 1990 54.6

Sep 1990 37.3

Oct 1990 66.4

Nov 1990 75.9

Dec 1990 66.7

Jan 1991 77.6

Feb 1991 64.0

Mar 1991 57.5

Apr 1991 61.9

May 1991 78.6

Jun 1991 46.7

Jul 1991 53.8

Aug 1991 69.8

Sep 1991 60.1

Oct 1991 75.4

Nov 1991 58.4

Dec 1991 76.4

Jan 1992 78.0

Feb 1992 48.9

Mar 1992 56.4

Apr 1992 57.8

May 1992 68.0

Jun 1992 58.1

Jul 1992 77.1

Aug 1992 87.0

Sep 1992 61.4

Oct 1992 62.1

Nov 1992 47.2

Dec 1992 65.3

Jan 1993 76.3

Feb 1993 68.2

Mar 1993 56.6

Apr 1993 67.2

May 1993 57.2

Jun 1993 55.7

Jul 1993 61.9

Aug 1993 33.6

Sep 1993 61.2

Oct 1993 80.6

Nov 1993 79.1

Dec 1993 68.5

Jan 1994 66.0

Feb 1994 64.0

Mar 1994 46.6

Apr 1994 36.1

May 1994 61.5

Jun 1994 63.3

Jul 1994 65.1

Aug 1994 56.6

Sep 1994 52.0

Oct 1994 54.9

Nov 1994 93.2

Dec 1994 87.2

Jan 1995 61.9

Feb 1995 81.9

Mar 1995 69.2

Apr 1995 62.7

May 1995 53.0

Jun 1995 55.9

Jul 1995 44.8

Aug 1995 76.3

Sep 1995 74.1

Oct 1995 31.6

Nov 1995 70.2

Dec 1995 72.0

Jan 1996 59.7

Feb 1996 56.6

Mar 1996 57.9

Apr 1996 76.4

May 1996 68.0

Jun 1996 44.5

Jul 1996 51.3

Aug 1996 68.1

Sep 1996 52.8

Oct 1996 43.2

Nov 1996 52.6

Dec 1996 70.3

Jan 1997 63.5

Feb 1997 68.8

Mar 1997 78.0

Apr 1997 76.2

May 1997 65.5

Jun 1997 52.1

Jul 1997 70.0

Aug 1997 61.8

Sep 1997 65.1

Oct 1997 71.8

Nov 1997 75.4

Dec 1997 81.9

Jan 1998 55.1

Feb 1998 93.6

Mar 1998 60.5

Apr 1998 77.8

May 1998 84.1

Jun 1998 56.9

Jul 1998 63.6

Aug 1998 77.5

Sep 1998 81.2

Oct 1998 72.3

Nov 1998 43.1

Dec 1998 68.1

Jan 1999 65.0

Feb 1999 83.4

Mar 1999 76.5

Apr 1999 49.2

May 1999 59.9

Jun 1999 46.3

Jul 1999 50.1

Aug 1999 55.7

Sep 1999 37.8

Oct 1999 38.1

Nov 1999 52.0

Dec 1999 63.4

Jan 2000 46.6

Feb 2000 61.3

Mar 2000 61.9

Apr 2000 45.7

May 2000 71.1

Jun 2000 61.0

Jul 2000 61.5

Aug 2000 32.9

Sep 2000 53.7

Oct 2000 68.3

Nov 2000 67.8

Dec 2000 72.2

Jan 2001 60.7

Feb 2001 67.2

Mar 2001 69.2

Apr 2001 50.7

May 2001 52.0

Jun 2001 27.1

Jul 2001 29.6

Aug 2001 62.0

Sep 2001 66.1

Oct 2001 70.7

Nov 2001 55.4

Dec 2001 65.3

Jan 2002 78.9

Feb 2002 81.1

Mar 2002 39.4

Apr 2002 62.0

May 2002 48.9

Jun 2002 62.9

Jul 2002 49.2

Aug 2002 37.4

Sep 2002 59.1

Oct 2002 71.7

Nov 2002 70.2

Dec 2002 82.7

Jan 2003 73.5

Feb 2003 66.6

Mar 2003 55.0

Apr 2003 49.4

May 2003 49.1

Jun 2003 66.5

Jul 2003 43.2

Aug 2003 51.2

Sep 2003 29.8

Oct 2003 54.2

Nov 2003 74.6

Dec 2003 66.9

Jan 2004 33.1

Feb 2004 49.6

Mar 2004 61.0

Apr 2004 57.8

May 2004 54.0

Jun 2004 56.8

Jul 2004 19.5

Aug 2004 39.6

Sep 2004 61.4

Oct 2004 47.3

Nov 2004 62.1

Dec 2004 53.2

Jan 2005 53.2

Feb 2005 53.3

Mar 2005 73.3

Apr 2005 57.7

May 2005 59.4

Jun 2005 44.1

Jul 2005 57.2

Aug 2005 47.2

Sep 2005 70.6

Oct 2005 56.5

Nov 2005 42.3

Dec 2005 60.8

Jan 2006 73.8

Feb 2006 77.9

Mar 2006 47.0

Apr 2006 24.5

May 2006 32.4

Jun 2006 46.2

Jul 2006 81.7

Aug 2006 52.6

Sep 2006 55.0

Oct 2006 71.0

Nov 2006 55.3

Dec 2006 82.8

Jan 2007 82.2

Feb 2007 50.8

Mar 2007 56.7

Apr 2007 76.1

May 2007 48.8

Jun 2007 25.8

Jul 2007 46.6

Aug 2007 41.4

Sep 2007 56.2

Oct 2007 41.2

Nov 2007 59.9

Dec 2007 50.3

Jan 2008 61.6

Feb 2008 46.4

Mar 2008 59.8

Apr 2008 31.7

May 2008 49.3

Jun 2008 45.9

Jul 2008 46.3

Aug 2008 25.4

Sep 2008 45.6

Oct 2008 59.2

Nov 2008 51.6

Dec 2008 68.1

Jan 2009 58.3

Feb 2009 61.2

Mar 2009 60.8

Apr 2009 42.8

May 2009 62.3

Jun 2009 36.9

Jul 2009 54.4

Aug 2009 83.8

Sep 2009 63.7

Oct 2009 70.4

Nov 2009 62.9

Dec 2009 74.9

Jan 2010 58.2

Feb 2010 82.0

Mar 2010 73.1

Apr 2010 61.5

May 2010 54.1

Jun 2010 71.5

Jul 2010 69.5

Aug 2010 50.8

Sep 2010 47.9

Oct 2010 54.0

Nov 2010 55.2

Dec 2010 84.7

Jan 2011 64.4

Feb 2011 58.9

Mar 2011 41.1

Apr 2011 61.0

May 2011 32.2

Jun 2011 36.8

Jul 2011 32.4

Aug 2011 39.2

Sep 2011 60.3

Oct 2011 46.5

Nov 2011 73.4

Dec 2011 78.3

Jan 2012 74.6

Feb 2012 62.0

Mar 2012 60.5

Apr 2012 27.8

May 2012 39.9

Jun 2012 51.2

Jul 2012 33.1

Aug 2012 51.4

Sep 2012 41.3

Oct 2012 57.3

Nov 2012 44.7

Dec 2012 60.7

Jan 2013 52.1

Feb 2013 75.5

Mar 2013 78.8

Apr 2013 53.0

May 2013 36.1

Jun 2013 58.4

Jul 2013 33.1

Aug 2013 69.1

Sep 2013 61.0

Oct 2013 78.6

Nov 2013 57.1

Dec 2013 84.9

Jan 2014 70.5

Feb 2014 74.9

Mar 2014 54.6

Apr 2014 67.1

May 2014 36.1

Jun 2014 38.1

Jul 2014 49.5

Aug 2014 55.0

Sep 2014 67.6

Oct 2014 49.0

Nov 2014 76.1

Dec 2014 48.4

Jan 2015 61.7

Feb 2015 68.5

Mar 2015 57.2

Apr 2015 63.8

May 2015 61.7

Jun 2015 45.9

Jul 2015 64.7

Aug 2015 45.8

Sep 2015 50.2

Oct 2015 71.4

Nov 2015 70.2

Dec 2015 83.1

Jan 2016 56.8

Feb 2016 71.6

Mar 2016 56.9

Apr 2016 47.8

May 2016 55.3

Jun 2016 61.8

Jul 2016 62.4

Aug 2016 61.7

Sep 2016 73.5

Oct 2016 60.9

Nov 2016 51.1

Dec 2016 86.0

Jan 2017 58.1

Feb 2017 62.4

Mar 2017 64.5

Apr 2017 56.7

May 2017 86.0

Jun 2017 90.0

Jul 2017 84.2

Aug 2017 71.5

Sep 2017 52.9

Oct 2017 55.0

Nov 2017 63.0

Dec 2017 55.9

Jan 2018 47.3

Feb 2018 68.5

Mar 2018 78.9

Apr 2018 45.7

May 2018 58.2

Jun 2018 51.6

Jul 2018 64.5

Aug 2018 58.8

Sep 2018 50.2

Oct 2018 52.8

Nov 2018 58.9

Dec 2018 57.2

Jan 2019 58.3

Feb 2019 60.7

Mar 2019 62.1

Apr 2019 56.2

May 2019 44.7

Jun 2019 44.4

Jul 2019 62.2

Aug 2019 51.5

Sep 2019 85.9

Oct 2019 53.5

Nov 2019 44.4

Dec 2019 63.0

Jan 2020 84.9

Feb 2020 81.3

Mar 2020 67.2

Apr 2020 58.3

May 2020 57.8

Jun 2020 55.5

Jul 2020 56.0

Aug 2020 75.6

Sep 2020 56.1

Oct 2020 44.8

Nov 2020 70.5

Dec 2020 60.3

Jan 2021 75.6

Feb 2021 56.8

Mar 2021 80.6

Apr 2021 32.4

May 2021 42.5

Jun 2021 65.5

Jul 2021 71.6

Aug 2021 48.8

Sep 2021 69.5

Oct 2021 70.5

Nov 2021 38.0

Dec 2021 74.9

Jan 2022 70.8

Feb 2022 72.3

Mar 2022 74.0

Apr 2022 47.8

May 2022 64.3

Jun 2022 39.4

Jul 2022 69.9

Aug 2022 58.4

Sep 2022 73.6

Oct 2022 56.6

Nov 2022 53.5

Dec 2022 39.8

Jan 2023 65.3

Feb 2023 82.7

Mar 2023 62.4

Apr 2023 27.0

May 2023 56.2

Jun 2023 56.3

Jul 2023 59.3

Aug 2023 53.4

Sep 2023 65.6

Oct 2023 78.3

Nov 2023 60.4

Dec 2023 80.9

Jan 2024 62.0

Feb 2024 69.2

Mar 2024 60.1

Apr 2024 55.7

Time	Explained Variance of leading 10 modes
months since 1960-01-01	percent
Jan 1950	86.0
Feb 1950	58.6
Mar 1950	54.3
Apr 1950	64.8
May 1950	49.6
Jun 1950	42.3
Jul 1950	71.6
Aug 1950	42.8
Sep 1950	53.3
Oct 1950	58.8
Nov 1950	88.3
Dec 1950	89.4
Jan 1951	56.1
Feb 1951	54.1
Mar 1951	77.6
Apr 1951	66.3
May 1951	40.2
Jun 1951	68.9
Jul 1951	44.5
Aug 1951	54.8
Sep 1951	59.2
Oct 1951	55.2
Nov 1951	40.5
Dec 1951	69.0
Jan 1952	85.2
Feb 1952	76.7
Mar 1952	61.6
Apr 1952	66.2
May 1952	24.1
Jun 1952	30.4
Jul 1952	45.5
Aug 1952	45.4
Sep 1952	54.6
Oct 1952	51.2
Nov 1952	69.4
Dec 1952	76.0
Jan 1953	68.6
Feb 1953	84.1
Mar 1953	75.5
Apr 1953	63.8
May 1953	58.0
Jun 1953	55.8
Jul 1953	45.6
Aug 1953	41.9
Sep 1953	52.3
Oct 1953	50.1
Nov 1953	78.0
Dec 1953	70.3
Jan 1954	56.0
Feb 1954	69.6
Mar 1954	87.3
Apr 1954	78.8
May 1954	71.0
Jun 1954	54.0
Jul 1954	75.5
Aug 1954	63.2
Sep 1954	58.4
Oct 1954	67.4
Nov 1954	74.8
Dec 1954	73.2
Jan 1955	68.7
Feb 1955	71.3
Mar 1955	70.8
Apr 1955	53.2
May 1955	56.9
Jun 1955	58.3
Jul 1955	60.7
Aug 1955	59.1
Sep 1955	46.3
Oct 1955	72.4
Nov 1955	70.2
Dec 1955	72.2
Jan 1956	82.6
Feb 1956	79.4
Mar 1956	59.8
Apr 1956	59.7
May 1956	47.3
Jun 1956	71.3
Jul 1956	42.3
Aug 1956	76.7
Sep 1956	47.9
Oct 1956	80.5
Nov 1956	53.1
Dec 1956	87.5
Jan 1957	74.3
Feb 1957	75.0
Mar 1957	71.1
Apr 1957	33.3
May 1957	81.7
Jun 1957	75.6
Jul 1957	68.1
Aug 1957	53.9
Sep 1957	59.5
Oct 1957	52.5
Nov 1957	72.0
Dec 1957	57.2
Jan 1958	73.1
Feb 1958	64.3
Mar 1958	81.9
Apr 1958	57.6
May 1958	24.3
Jun 1958	63.5
Jul 1958	69.3
Aug 1958	57.0
Sep 1958	79.3
Oct 1958	35.9
Nov 1958	50.7
Dec 1958	54.6
Jan 1959	53.5
Feb 1959	85.7
Mar 1959	82.9
Apr 1959	31.0
May 1959	69.0
Jun 1959	54.9
Jul 1959	62.6
Aug 1959	84.3
Sep 1959	72.3
Oct 1959	71.0
Nov 1959	82.3
Dec 1959	68.1
Jan 1960	55.1
Feb 1960	69.1
Mar 1960	71.9
Apr 1960	67.3
May 1960	65.7
Jun 1960	48.8
Jul 1960	66.2
Aug 1960	72.6
Sep 1960	73.2
Oct 1960	65.4
Nov 1960	56.6
Dec 1960	76.9
Jan 1961	60.0
Feb 1961	61.0
Mar 1961	70.2
Apr 1961	75.0
May 1961	29.6
Jun 1961	65.8
Jul 1961	72.4
Aug 1961	65.6
Sep 1961	85.1
Oct 1961	93.1
Nov 1961	56.1
Dec 1961	86.6
Jan 1962	67.0
Feb 1962	63.0
Mar 1962	74.4
Apr 1962	72.6
May 1962	68.0
Jun 1962	73.3
Jul 1962	73.7
Aug 1962	64.6
Sep 1962	63.9
Oct 1962	49.0
Nov 1962	75.6
Dec 1962	65.0
Jan 1963	82.3
Feb 1963	81.8
Mar 1963	71.9
Apr 1963	56.2
May 1963	87.4
Jun 1963	52.4
Jul 1963	66.0
Aug 1963	54.8
Sep 1963	64.6
Oct 1963	58.2
Nov 1963	61.8
Dec 1963	75.4
Jan 1964	74.5
Feb 1964	63.4
Mar 1964	64.0
Apr 1964	63.0
May 1964	76.3
Jun 1964	62.1
Jul 1964	61.4
Aug 1964	69.0
Sep 1964	54.5
Oct 1964	54.0
Nov 1964	66.0
Dec 1964	62.2
Jan 1965	31.8
Feb 1965	75.3
Mar 1965	78.2
Apr 1965	55.1
May 1965	59.2
Jun 1965	27.7
Jul 1965	56.2
Aug 1965	54.9
Sep 1965	76.2
Oct 1965	57.8
Nov 1965	69.8
Dec 1965	69.1
Jan 1966	55.1
Feb 1966	68.6
Mar 1966	60.2
Apr 1966	58.8
May 1966	45.8
Jun 1966	51.6
Jul 1966	67.5
Aug 1966	50.3
Sep 1966	57.7
Oct 1966	65.4
Nov 1966	76.9
Dec 1966	85.2
Jan 1967	39.2
Feb 1967	61.4
Mar 1967	80.7
Apr 1967	78.5
May 1967	77.2
Jun 1967	46.0
Jul 1967	54.2
Aug 1967	69.2
Sep 1967	51.5
Oct 1967	64.7
Nov 1967	60.1
Dec 1967	68.4
Jan 1968	78.1
Feb 1968	76.2
Mar 1968	42.5
Apr 1968	55.8
May 1968	79.4
Jun 1968	40.8
Jul 1968	57.5
Aug 1968	57.3
Sep 1968	73.9
Oct 1968	52.8
Nov 1968	68.5
Dec 1968	68.1
Jan 1969	79.2
Feb 1969	88.8
Mar 1969	71.4
Apr 1969	58.2
May 1969	68.7
Jun 1969	59.3
Jul 1969	51.4
Aug 1969	55.9
Sep 1969	41.1
Oct 1969	53.7
Nov 1969	43.7
Dec 1969	84.8
Jan 1970	81.0
Feb 1970	56.4
Mar 1970	88.2
Apr 1970	67.4
May 1970	46.6
Jun 1970	59.8
Jul 1970	24.1
Aug 1970	56.9
Sep 1970	57.1
Oct 1970	50.3
Nov 1970	64.1
Dec 1970	66.1
Jan 1971	82.6
Feb 1971	66.4
Mar 1971	49.0
Apr 1971	55.5
May 1971	41.2
Jun 1971	44.1
Jul 1971	60.3
Aug 1971	55.3
Sep 1971	64.9
Oct 1971	61.7
Nov 1971	62.6
Dec 1971	80.3
Jan 1972	79.2
Feb 1972	82.8
Mar 1972	65.6
Apr 1972	68.3
May 1972	46.3
Jun 1972	69.1
Jul 1972	52.4
Aug 1972	51.2
Sep 1972	74.8
Oct 1972	49.4
Nov 1972	44.4
Dec 1972	77.3
Jan 1973	77.5
Feb 1973	70.5
Mar 1973	49.1
Apr 1973	47.2
May 1973	42.2
Jun 1973	42.3
Jul 1973	31.8
Aug 1973	44.5
Sep 1973	61.5
Oct 1973	71.8
Nov 1973	82.4
Dec 1973	53.7
Jan 1974	89.6
Feb 1974	66.2
Mar 1974	42.4
Apr 1974	47.5
May 1974	24.7
Jun 1974	63.4
Jul 1974	48.5
Aug 1974	65.3
Sep 1974	62.2
Oct 1974	67.4
Nov 1974	41.5
Dec 1974	80.9
Jan 1975	71.5
Feb 1975	45.9
Mar 1975	35.6
Apr 1975	60.2
May 1975	56.1
Jun 1975	58.6
Jul 1975	31.3
Aug 1975	47.6
Sep 1975	52.4
Oct 1975	48.2
Nov 1975	67.9
Dec 1975	63.3
Jan 1976	68.2
Feb 1976	78.1
Mar 1976	77.1
Apr 1976	68.3
May 1976	31.2
Jun 1976	68.6
Jul 1976	55.8
Aug 1976	64.4
Sep 1976	57.7
Oct 1976	59.7
Nov 1976	62.3
Dec 1976	67.0
Jan 1977	85.1
Feb 1977	82.4
Mar 1977	70.7
Apr 1977	52.6
May 1977	52.1
Jun 1977	23.2
Jul 1977	37.2
Aug 1977	60.3
Sep 1977	61.9
Oct 1977	69.8
Nov 1977	48.4
Dec 1977	62.1
Jan 1978	59.8
Feb 1978	82.8
Mar 1978	62.8
Apr 1978	53.6
May 1978	27.4
Jun 1978	70.5
Jul 1978	58.9
Aug 1978	31.1
Sep 1978	63.5
Oct 1978	54.1
Nov 1978	75.0
Dec 1978	75.8
Jan 1979	68.0
Feb 1979	58.6
Mar 1979	60.8
Apr 1979	49.0
May 1979	49.6
Jun 1979	71.0
Jul 1979	83.0
Aug 1979	46.6
Sep 1979	50.4
Oct 1979	56.4
Nov 1979	61.8
Dec 1979	70.2
Jan 1980	72.6
Feb 1980	60.7
Mar 1980	70.3
Apr 1980	74.1
May 1980	86.8
Jun 1980	79.7
Jul 1980	43.7
Aug 1980	81.1
Sep 1980	56.9
Oct 1980	66.8
Nov 1980	71.0
Dec 1980	79.7
Jan 1981	74.7
Feb 1981	47.5
Mar 1981	78.8
Apr 1981	61.5
May 1981	57.4
Jun 1981	41.8
Jul 1981	55.1
Aug 1981	52.6
Sep 1981	54.4
Oct 1981	73.5
Nov 1981	76.4
Dec 1981	60.6
Jan 1982	54.4
Feb 1982	78.9
Mar 1982	72.3
Apr 1982	57.2
May 1982	53.2
Jun 1982	75.5
Jul 1982	61.3
Aug 1982	38.8
Sep 1982	59.9
Oct 1982	39.1
Nov 1982	46.5
Dec 1982	60.6
Jan 1983	84.1
Feb 1983	67.1
Mar 1983	64.6
Apr 1983	63.0
May 1983	60.4
Jun 1983	70.3
Jul 1983	81.0
Aug 1983	73.7
Sep 1983	55.6
Oct 1983	73.4
Nov 1983	85.1
Dec 1983	53.8
Jan 1984	86.4
Feb 1984	59.3
Mar 1984	85.9
Apr 1984	59.2
May 1984	57.7
Jun 1984	25.9
Jul 1984	68.0
Aug 1984	57.1
Sep 1984	35.8
Oct 1984	62.5
Nov 1984	65.4
Dec 1984	78.3
Jan 1985	70.2
Feb 1985	58.6
Mar 1985	74.5
Apr 1985	56.0
May 1985	37.1
Jun 1985	39.9
Jul 1985	54.0
Aug 1985	45.2
Sep 1985	61.4
Oct 1985	61.6
Nov 1985	67.9
Dec 1985	75.7
Jan 1986	72.3
Feb 1986	69.4
Mar 1986	81.6
Apr 1986	40.3
May 1986	47.6
Jun 1986	45.3
Jul 1986	58.7
Aug 1986	53.7
Sep 1986	84.8
Oct 1986	71.5
Nov 1986	69.6
Dec 1986	68.2
Jan 1987	80.9
Feb 1987	55.1
Mar 1987	46.4
Apr 1987	84.8
May 1987	54.6
Jun 1987	50.5
Jul 1987	81.4
Aug 1987	71.6
Sep 1987	89.4
Oct 1987	69.8
Nov 1987	43.9
Dec 1987	87.6
Jan 1988	79.1
Feb 1988	67.8
Mar 1988	37.6
Apr 1988	68.3
May 1988	58.0
Jun 1988	68.8
Jul 1988	56.9
Aug 1988	32.7
Sep 1988	63.2
Oct 1988	41.3
Nov 1988	67.1
Dec 1988	73.4
Jan 1989	90.6
Feb 1989	77.6
Mar 1989	83.6
Apr 1989	61.5
May 1989	50.5
Jun 1989	34.8
Jul 1989	66.8
Aug 1989	45.5
Sep 1989	68.8
Oct 1989	72.9
Nov 1989	64.4
Dec 1989	79.2
Jan 1990	58.2
Feb 1990	68.8
Mar 1990	72.3
Apr 1990	71.4
May 1990	67.1
Jun 1990	39.2
Jul 1990	36.7
Aug 1990	54.6
Sep 1990	37.3
Oct 1990	66.4
Nov 1990	75.9
Dec 1990	66.7
Jan 1991	77.6
Feb 1991	64.0
Mar 1991	57.5
Apr 1991	61.9
May 1991	78.6
Jun 1991	46.7
Jul 1991	53.8
Aug 1991	69.8
Sep 1991	60.1
Oct 1991	75.4
Nov 1991	58.4
Dec 1991	76.4
Jan 1992	78.0
Feb 1992	48.9
Mar 1992	56.4
Apr 1992	57.8
May 1992	68.0
Jun 1992	58.1
Jul 1992	77.1
Aug 1992	87.0
Sep 1992	61.4
Oct 1992	62.1
Nov 1992	47.2
Dec 1992	65.3
Jan 1993	76.3
Feb 1993	68.2
Mar 1993	56.6
Apr 1993	67.2
May 1993	57.2
Jun 1993	55.7
Jul 1993	61.9
Aug 1993	33.6
Sep 1993	61.2
Oct 1993	80.6
Nov 1993	79.1
Dec 1993	68.5
Jan 1994	66.0
Feb 1994	64.0
Mar 1994	46.6
Apr 1994	36.1
May 1994	61.5
Jun 1994	63.3
Jul 1994	65.1
Aug 1994	56.6
Sep 1994	52.0
Oct 1994	54.9
Nov 1994	93.2
Dec 1994	87.2
Jan 1995	61.9
Feb 1995	81.9
Mar 1995	69.2
Apr 1995	62.7
May 1995	53.0
Jun 1995	55.9
Jul 1995	44.8
Aug 1995	76.3
Sep 1995	74.1
Oct 1995	31.6
Nov 1995	70.2
Dec 1995	72.0
Jan 1996	59.7
Feb 1996	56.6
Mar 1996	57.9
Apr 1996	76.4
May 1996	68.0
Jun 1996	44.5
Jul 1996	51.3
Aug 1996	68.1
Sep 1996	52.8
Oct 1996	43.2
Nov 1996	52.6
Dec 1996	70.3
Jan 1997	63.5
Feb 1997	68.8
Mar 1997	78.0
Apr 1997	76.2
May 1997	65.5
Jun 1997	52.1
Jul 1997	70.0
Aug 1997	61.8
Sep 1997	65.1
Oct 1997	71.8
Nov 1997	75.4
Dec 1997	81.9
Jan 1998	55.1
Feb 1998	93.6
Mar 1998	60.5
Apr 1998	77.8
May 1998	84.1
Jun 1998	56.9
Jul 1998	63.6
Aug 1998	77.5
Sep 1998	81.2
Oct 1998	72.3
Nov 1998	43.1
Dec 1998	68.1
Jan 1999	65.0
Feb 1999	83.4
Mar 1999	76.5
Apr 1999	49.2
May 1999	59.9
Jun 1999	46.3
Jul 1999	50.1
Aug 1999	55.7
Sep 1999	37.8
Oct 1999	38.1
Nov 1999	52.0
Dec 1999	63.4
Jan 2000	46.6
Feb 2000	61.3
Mar 2000	61.9
Apr 2000	45.7
May 2000	71.1
Jun 2000	61.0
Jul 2000	61.5
Aug 2000	32.9
Sep 2000	53.7
Oct 2000	68.3
Nov 2000	67.8
Dec 2000	72.2
Jan 2001	60.7
Feb 2001	67.2
Mar 2001	69.2
Apr 2001	50.7
May 2001	52.0
Jun 2001	27.1
Jul 2001	29.6
Aug 2001	62.0
Sep 2001	66.1
Oct 2001	70.7
Nov 2001	55.4
Dec 2001	65.3
Jan 2002	78.9
Feb 2002	81.1
Mar 2002	39.4
Apr 2002	62.0
May 2002	48.9
Jun 2002	62.9
Jul 2002	49.2
Aug 2002	37.4
Sep 2002	59.1
Oct 2002	71.7
Nov 2002	70.2
Dec 2002	82.7
Jan 2003	73.5
Feb 2003	66.6
Mar 2003	55.0
Apr 2003	49.4
May 2003	49.1
Jun 2003	66.5
Jul 2003	43.2
Aug 2003	51.2
Sep 2003	29.8
Oct 2003	54.2
Nov 2003	74.6
Dec 2003	66.9
Jan 2004	33.1
Feb 2004	49.6
Mar 2004	61.0
Apr 2004	57.8
May 2004	54.0
Jun 2004	56.8
Jul 2004	19.5
Aug 2004	39.6
Sep 2004	61.4
Oct 2004	47.3
Nov 2004	62.1
Dec 2004	53.2
Jan 2005	53.2
Feb 2005	53.3
Mar 2005	73.3
Apr 2005	57.7
May 2005	59.4
Jun 2005	44.1
Jul 2005	57.2
Aug 2005	47.2
Sep 2005	70.6
Oct 2005	56.5
Nov 2005	42.3
Dec 2005	60.8
Jan 2006	73.8
Feb 2006	77.9
Mar 2006	47.0
Apr 2006	24.5
May 2006	32.4
Jun 2006	46.2
Jul 2006	81.7
Aug 2006	52.6
Sep 2006	55.0
Oct 2006	71.0
Nov 2006	55.3
Dec 2006	82.8
Jan 2007	82.2
Feb 2007	50.8
Mar 2007	56.7
Apr 2007	76.1
May 2007	48.8
Jun 2007	25.8
Jul 2007	46.6
Aug 2007	41.4
Sep 2007	56.2
Oct 2007	41.2
Nov 2007	59.9
Dec 2007	50.3
Jan 2008	61.6
Feb 2008	46.4
Mar 2008	59.8
Apr 2008	31.7
May 2008	49.3
Jun 2008	45.9
Jul 2008	46.3
Aug 2008	25.4
Sep 2008	45.6
Oct 2008	59.2
Nov 2008	51.6
Dec 2008	68.1
Jan 2009	58.3
Feb 2009	61.2
Mar 2009	60.8
Apr 2009	42.8
May 2009	62.3
Jun 2009	36.9
Jul 2009	54.4
Aug 2009	83.8
Sep 2009	63.7
Oct 2009	70.4
Nov 2009	62.9
Dec 2009	74.9
Jan 2010	58.2
Feb 2010	82.0
Mar 2010	73.1
Apr 2010	61.5
May 2010	54.1
Jun 2010	71.5
Jul 2010	69.5
Aug 2010	50.8
Sep 2010	47.9
Oct 2010	54.0
Nov 2010	55.2
Dec 2010	84.7
Jan 2011	64.4
Feb 2011	58.9
Mar 2011	41.1
Apr 2011	61.0
May 2011	32.2
Jun 2011	36.8
Jul 2011	32.4
Aug 2011	39.2
Sep 2011	60.3
Oct 2011	46.5
Nov 2011	73.4
Dec 2011	78.3
Jan 2012	74.6
Feb 2012	62.0
Mar 2012	60.5
Apr 2012	27.8
May 2012	39.9
Jun 2012	51.2
Jul 2012	33.1
Aug 2012	51.4
Sep 2012	41.3
Oct 2012	57.3
Nov 2012	44.7
Dec 2012	60.7
Jan 2013	52.1
Feb 2013	75.5
Mar 2013	78.8
Apr 2013	53.0
May 2013	36.1
Jun 2013	58.4
Jul 2013	33.1
Aug 2013	69.1
Sep 2013	61.0
Oct 2013	78.6
Nov 2013	57.1
Dec 2013	84.9
Jan 2014	70.5
Feb 2014	74.9
Mar 2014	54.6
Apr 2014	67.1
May 2014	36.1
Jun 2014	38.1
Jul 2014	49.5
Aug 2014	55.0
Sep 2014	67.6
Oct 2014	49.0
Nov 2014	76.1
Dec 2014	48.4
Jan 2015	61.7
Feb 2015	68.5
Mar 2015	57.2
Apr 2015	63.8
May 2015	61.7
Jun 2015	45.9
Jul 2015	64.7
Aug 2015	45.8
Sep 2015	50.2
Oct 2015	71.4
Nov 2015	70.2
Dec 2015	83.1
Jan 2016	56.8
Feb 2016	71.6
Mar 2016	56.9
Apr 2016	47.8
May 2016	55.3
Jun 2016	61.8
Jul 2016	62.4
Aug 2016	61.7
Sep 2016	73.5
Oct 2016	60.9
Nov 2016	51.1
Dec 2016	86.0
Jan 2017	58.1
Feb 2017	62.4
Mar 2017	64.5
Apr 2017	56.7
May 2017	86.0
Jun 2017	90.0
Jul 2017	84.2
Aug 2017	71.5
Sep 2017	52.9
Oct 2017	55.0
Nov 2017	63.0
Dec 2017	55.9
Jan 2018	47.3
Feb 2018	68.5
Mar 2018	78.9
Apr 2018	45.7
May 2018	58.2
Jun 2018	51.6
Jul 2018	64.5
Aug 2018	58.8
Sep 2018	50.2
Oct 2018	52.8
Nov 2018	58.9
Dec 2018	57.2
Jan 2019	58.3
Feb 2019	60.7
Mar 2019	62.1
Apr 2019	56.2
May 2019	44.7
Jun 2019	44.4
Jul 2019	62.2
Aug 2019	51.5
Sep 2019	85.9
Oct 2019	53.5
Nov 2019	44.4
Dec 2019	63.0
Jan 2020	84.9
Feb 2020	81.3
Mar 2020	67.2
Apr 2020	58.3
May 2020	57.8
Jun 2020	55.5
Jul 2020	56.0
Aug 2020	75.6
Sep 2020	56.1
Oct 2020	44.8
Nov 2020	70.5
Dec 2020	60.3
Jan 2021	75.6
Feb 2021	56.8
Mar 2021	80.6
Apr 2021	32.4
May 2021	42.5
Jun 2021	65.5
Jul 2021	71.6
Aug 2021	48.8
Sep 2021	69.5
Oct 2021	70.5
Nov 2021	38.0
Dec 2021	74.9
Jan 2022	70.8
Feb 2022	72.3
Mar 2022	74.0
Apr 2022	47.8
May 2022	64.3
Jun 2022	39.4
Jul 2022	69.9
Aug 2022	58.4
Sep 2022	73.6
Oct 2022	56.6
Nov 2022	53.5
Dec 2022	39.8
Jan 2023	65.3
Feb 2023	82.7
Mar 2023	62.4
Apr 2023	27.0
May 2023	56.2
Jun 2023	56.3
Jul 2023	59.3
Aug 2023	53.4
Sep 2023	65.6
Oct 2023	78.3
Nov 2023	60.4
Dec 2023	80.9
Jan 2024	62.0
Feb 2024	69.2
Mar 2024	60.1
Apr 2024	55.7