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Monthly Mean Ozone in September

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Sep 1960 Sep 1961 Sep 1962 Sep 1963 Sep 1964
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Sep 1965 Sep 1966 Sep 1967 Sep 1968 Sep 1969
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Sep 1970 Sep 1971 Sep 1972 Sep 1973 Sep 1974
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Sep 1975 Sep 1976 Sep 1977 Sep 1978 Sep 1979
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Sep 1980 Sep 1981 Sep 1982 Sep 1983 Sep 1984
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Sep 1985 Sep 1986 Sep 1987 Sep 1988 Sep 1989
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Sep 1990 Sep 1991 Sep 1992 Sep 1993 Sep 1994
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Sep 1995 Sep 1996 Sep 1997 Sep 1998 Sep 1999
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Sep 2000 Sep 2001 Sep 2002 Sep 2003 Sep 2004
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Sep 2005 Sep 2006 Sep 2007 Sep 2008 Sep 2009
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Sep 2010 Sep 2011 Sep 2012 Sep 2013 Sep 2014
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Sep 2015 Sep 2016 Sep 2017 Sep 2018 Sep 2019
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Sep 2020 Sep 2021 Sep 2022 Sep 2023 Sep 2024
  Ronald van der A, Bas Mijling
© KNMI/TEMIS, 2019