Total ozone monthly average, Kjeller
yyyy-mm,ozone
1978-12, 296.9
1979-01, 336.7
1979-02, 383.3
1979-03, 443.6
1979-04, 448.8
1979-05, 398.5
1979-06, 345.1
1979-07, 358.1
1979-08, 324.1
1979-09, 300.1
1979-10, 283.2
1979-11, 292.8
1979-12, 370.3
1980-01, 364.1
1980-02, 362.4
1980-03, 397.5
1980-04, 410.3
1980-05, 389.4
1980-06, 352.4
1980-07, 354.3
1980-08, 319.2
1980-09, 300.6
1980-10, 307.5
1980-11, 319.8
1980-12, 332.9
1981-01, 325.0
1981-02, 392.4
1981-03, 412.5
1981-04, 405.4
1981-05, 374.8
1981-06, 355.6
1981-07, 330.6
1981-08, 316.9
1981-09, 295.7
1981-10, 321.8
1981-11, 300.4
1981-12, 340.2
1982-01, 361.1
1982-02, 393.4
1982-03, 415.2
1982-04, 415.8
1982-05, 405.6
1982-06, 365.4
1982-07, 337.6
1982-08, 348.2
1982-09, 316.4
1982-10, 293.6
1982-11, 290.6
1982-12, 304.1
1983-01, 321.4
1983-02, 315.2
1983-03, 366.5
1983-04, 402.6
1983-05, 374.5
1983-06, 336.5
1983-07, 321.2
1983-08, 293.0
1983-09, 307.0
1983-10, 292.8
1983-11, 268.2
1983-12, 308.8
1984-01, 371.0
1984-02, 333.9
1984-03, 384.7
1984-04, 398.9
1984-05, 398.4
1984-06, 356.4
1984-07, 326.4
1984-08, 308.6
1984-09, 292.3
1984-10, 299.8
1984-11, 286.5
1984-12, 321.2
1985-01, 348.2
1985-02, 388.4
1985-03, 419.2
1985-04, 398.1
1985-05, 353.8
1985-06, 349.6
1985-07, NaN
1985-08, 317.7
1985-09, 303.0
1985-10, 264.6
1985-11, 296.3
1985-12, 294.5
1986-01, 353.3
1986-02, 345.5
1986-03, 374.8
1986-04, 442.4
1986-05, 377.6
1986-06, 333.8
1986-07, 337.8
1986-08, NaN
1986-09, 279.1
1986-10, 302.1
1986-11, 296.7
1986-12, 313.8
1987-01, 299.4
1987-02, 413.1
1987-03, 425.6
1987-04, 361.5
1987-05, 397.5
1987-06, 366.4
1987-07, 339.2
1987-08, 308.3
1987-09, 297.4
1987-10, 309.8
1987-11, 285.4
1987-12, 315.6
1988-01, 342.3
1988-02, 366.9
1988-03, 421.5
1988-04, 399.3
1988-05, 379.8
1988-06, 333.5
1988-07, 341.0
1988-08, 323.9
1988-09, 283.6
1988-10, 277.5
1988-11, 265.5
1988-12, 330.8
1989-01, 298.4
1989-02, 410.4
1989-03, 419.1
1989-04, 400.6
1989-05, 355.8
1989-06, 343.3
1989-07, 307.0
1989-08, 321.9
1989-09, 296.2
1989-10, 272.7
1989-11, 277.6
1989-12, 312.1
1990-01, 333.4
1990-02, 359.6
1990-03, 383.4
1990-04, 396.2
1990-05, 349.6
1990-06, 337.0
1990-07, 328.3
1990-08, 305.8
1990-09, 282.7
1990-10, 287.8
1990-11, 294.9
1990-12, 316.7
1991-01, 352.3
1991-02, 366.6
1991-03, 375.5
1991-04, 405.6
1991-05, 383.3
1991-06, 379.0
1991-07, 323.9
1991-08, 311.2
1991-09, 299.1
1991-10, 288.1
1991-11, 289.2
1991-12, 276.0
1992-01, 253.7
1992-02, 326.7
1992-03, 376.4
1992-04, 380.4
1992-05, 338.0
1992-06, 324.0
1992-07, 323.5
1992-08, 308.7
1992-09, 284.6
1992-10, 287.5
1992-11, 288.1
1992-12, 303.2
1993-01, 320.4
1993-02, 285.1
1993-03, 339.3
1993-04, 342.3
1993-05, 338.9
1993-06, 330.7
1993-07, 315.9
1993-08, 305.6
1993-09, 273.4
1993-10, 273.3
1993-11, 302.0
1993-12, 310.4
1994-01, 349.6
1994-02, 386.7
1994-03, 359.9
1994-04, 408.1
1994-05, 363.9
1994-06, 353.9
1994-07, 305.1
1994-08, 316.6
1994-09, 317.9
1994-10, 270.9
1994-11, 286.5
1994-12, 315.0
1995-01, 306.1
1995-02, 379.0
1995-03, 374.4
1995-04, 378.2
1995-05, 357.2
1995-06, 320.2
1995-07, 319.0
1995-08, 286.8
1995-09, 291.5
1995-10, 271.2
1995-11, 260.8
1995-12, 292.5
1996-01, 282.2
1996-02, 317.4
1996-03, 333.8
1996-04, 337.6
1996-05, 372.8
1996-06, 341.7
1996-07, 339.3
1996-08, 299.1
1996-09, 275.9
1996-10, 275.6
1996-11, 282.1
1996-12, 289.9
1997-01, 313.4
1997-02, 364.0
1997-03, 350.4
1997-04, 359.4
1997-05, 368.6
1997-06, 339.8
1997-07, 324.7
1997-08, 296.9
1997-09, 276.8
1997-10, 281.4
1997-11, 271.8
1997-12, 247.5
1998-01, 302.2
1998-02, 335.2
1998-03, 372.8
1998-04, 406.6
1998-05, 380.5
1998-06, 359.5
1998-07, 355.6
1998-08, 339.5
1998-09, 291.6
1998-10, 300.8
1998-11, 282.3
1998-12, 317.6
1999-01, 366.9
1999-02, 382.2
1999-03, 425.8
1999-04, 380.0
1999-05, 372.5
1999-06, 348.0
1999-07, 328.6
1999-08, 318.3
1999-09, 278.6
1999-10, 289.7
1999-11, 278.3
1999-12, 314.4
2000-01, 308.4
2000-02, 352.8
2000-03, 346.7
2000-04, 357.8
2000-05, 353.6
2000-06, 349.7
2000-07, 327.3
2000-08, 309.9
2000-09, 279.0
2000-10, 281.0
2000-11, 275.9
2000-12, 358.3
2001-01, 343.2
2001-02, 389.2
2001-03, 415.7
2001-04, 409.6
2001-05, 371.0
2001-06, 359.8
2001-07, 330.1
2001-08, 311.6
2001-09, 291.4
2001-10, 282.6
2001-11, 273.6
2001-12, 282.8
2002-01, 305.6
2002-02, 382.1
2002-03, 401.2
2002-04, 381.7
2002-05, 341.1
2002-06, 341.9
2002-07, 326.0
2002-08, 302.9
2002-09, 278.7
2002-10, 300.0
2002-11, 291.9
2002-12, 269.6
2003-01, 337.6
2003-02, 351.0
2003-03, 344.6
2003-04, 382.3
2003-05, 388.4
2003-06, 359.8
2003-07, 331.5
2003-08, 316.9
2003-09, 293.1
2003-10, 288.7
2003-11, 289.4
2003-12, 280.7
2004-01, 340.7
2004-02, 375.9
2004-03, 396.9
2004-04, 367.4
2004-05, 374.6
2004-06, 363.2
2004-07, 340.4
2004-08, 313.0
2004-09, 291.3
2004-10, 281.7
2004-11, 283.3
2004-12, 333.9
2005-01, 323.4
2005-02, 320.4
2005-03, 339.4
2005-04, 396.0
2005-05, 377.8
2005-06, 346.4
2005-07, 332.1
2005-08, 309.1
2005-09, 286.4
2005-10, 270.8
2005-11, 296.9
2005-12, 304.5
2006-01, 298.5
2006-02, 391.6
2006-03, 408.1
2006-04, 424.9
2006-05, 386.1
2006-06, 346.6
2006-07, 319.4
2006-08, 317.3
2006-09, 290.1
2006-10, 271.6
2006-11, 308.0
2006-12, 287.8
2007-01, 339.0
2007-02, 357.1
2007-03, 392.0
2007-04, 351.2
2007-05, 372.5
2007-06, 337.8
2007-07, 334.9
2007-08, 309.8
2007-09, 302.7
2007-10, 267.4
2007-11, 282.8
2007-12, 300.9
2008-01, 325.2
2008-02, 311.3
2008-03, 418.0
2008-04, 389.6
2008-05, 369.2
2008-06, 349.4
2008-07, 327.2
2008-08, 309.5
2008-09, 284.1
2008-10, 283.4
2008-11, 277.4
2008-12, 281.3
2009-01, 358.6
2009-02, 414.7
2009-03, 388.7
2009-04, 347.7
2009-05, 360.1
2009-06, 348.7
2009-07, 324.0
2009-08, 308.6
2009-09, 294.8
2009-10, 289.5
2009-11, 281.9
2009-12, 337.0
2010-01, 325.6
2010-02, 389.0
2010-03, 408.6
2010-04, 388.9
2010-05, 389.2
2010-06, 361.9
2010-07, 329.8
2010-08, 322.2
2010-09, 310.5
2010-10, 295.8
2010-11, 327.1
2010-12, 337.0
2011-01, 342.6
2011-02, 355.4
2011-03, 348.8
2011-04, 360.8
2011-05, 370.8
2011-06, 341.7
2011-07, 318.2
2011-08, 301.8
2011-09, 291.0
2011-10, 275.9
2011-11, 274.0
2011-12, 307.6
2012-01, 303.2
2012-02, 329.6
2012-03, 348.8
2012-04, 399.2
2012-05, 359.9
2012-06, 357.0
2012-07, 332.0
2012-08, 310.3
2012-09, 296.5
2012-10, 291.6
2012-11, 303.8
2012-12, 278.7
2013-01, 368.9
2013-02, 365.4
2013-03, 402.8
2013-04, 401.6
2013-05, 361.0
2013-06, 361.4
2013-07, 328.1
2013-08, 314.7
2013-09, 290.3
2013-10, 275.3
2013-11, 312.4
2013-12, 312.9
2014-01, 354.9
2014-02, 384.5
2014-03, 351.4
2014-04, 373.9
2014-05, 366.0
2014-06, 354.2
2014-07, 322.9
2014-08, 337.5
2014-09, 286.4
2014-10, 279.7
2014-11, 278.3
2014-12, 321.5
2015-01, 405.7
2015-02, 368.4
2015-03, 383.7
2015-04, 392.8
2015-05, 401.6
2015-06, 370.0
2015-07, 343.5
2015-08, 309.6
2015-09, 308.2
2015-10, 284.3
2015-11, 311.0
2015-12, 307.0
2016-01, 334.5
2016-02, 322.9
2016-03, 352.0
2016-04, 406.9
2016-05, 365.7
2016-06, 338.6
2016-07, 335.6
2016-08, 312.1
2016-09, 278.1
2016-10, 284.8
2016-11, 291.1
2016-12, 325.2
2017-01, 331.0
2017-02, 315.2
2017-03, 384.0
2017-04, 382.5
2017-05, 350.2
2017-06, 341.9
2017-07, 340.9
2017-08, 320.0
2017-09, 305.3
2017-10, 292.3
2017-11, 311.8
2017-12, 277.7
2018-01, 346.1
2018-02, 393.1
2018-03, 435.2
2018-04, 378.8
2018-05, 352.8
2018-06, 344.3
2018-07, 316.6
2018-08, 312.2
2018-09, 306.2
2018-10, 298.3
2018-11, 299.0
2018-12, 301.9
2019-01, 361.3
2019-02, 357.2
2019-03, 394.5
2019-04, 365.4
2019-05, 395.4
2019-06, 346.2
2019-07, 333.1
2019-08, 321.0
2019-09, 300.3
2019-10, 293.6
2019-11, 281.4
2019-12, 311.3
2020-01, 324.4
2020-02, 360.6
2020-03, 412.4
2020-04, 335.8
2020-05, 375.2
2020-06, 326.7
2020-07, 340.8
2020-08, 305.4
2020-09, 290.5
2020-10, 294.3
2020-11, 294.7
2020-12, 284.2
2021-01, 344.5
2021-02, 384.3
2021-03, 377.2
2021-04, 410.3
2021-05, 376.8
2021-06, 324.8
2021-07, 320.4
2021-08, 324.7
2021-09, 279.1
2021-10, 277.3
2021-11, 304.5
2021-12, 323.4
2022-01, 341.2
2022-02, 386.0
2022-03, 359.7
2022-04, 392.3
2022-05, 371.8
2022-06, 336.9
2022-07, 332.9
2022-08, 305.4
2022-09, 299.1
2022-10, 296.5
2022-11, 304.9
2022-12, 341.1
2023-01, 333.8
2023-02, 322.4
2023-03, 409.4
2023-04, 374.0
2023-05, 360.5
2023-06, 341.6
2023-07, 352.6
2023-08, 307.4
2023-09, 284.7
2023-10, 292.8
2023-11, 322.9
2023-12, 295.8
2024-01, 353.7
2024-02, 377.8
2024-03, 391.5
2024-04, 422.8
2024-05, 378.8
2024-06, 382.7
2024-07, 360.2
2024-08, 327.0
2024-09, 304.5
2024-10, 291.7
2024-11, 291.3
2024-12, 298.7