Name: NH maximum ozone Units: DU Month: January Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 565.04 445.00 626.00 1980 536.10 467.00 614.00 1981 521.16 467.00 581.00 1982 576.23 526.00 619.00 1983 506.13 458.00 589.00 1984 515.32 485.00 570.00 1985 520.26 489.00 569.00 1986 530.45 482.00 573.00 1987 539.19 491.00 598.00 1988 504.06 469.00 554.00 1989 515.19 455.00 633.00 1990 539.13 474.00 587.00 1991 550.94 486.00 680.00 1992 502.71 457.00 560.00 1993 446.45 399.00 486.00 1994 -9999.00 -9999.00 -9999.00 1995 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 1997 482.71 435.00 512.00 1998 506.84 475.00 565.00 1999 492.52 458.00 540.00 2000 515.19 447.00 587.00 2001 531.35 463.00 614.00 2002 512.90 473.00 570.00 2003 522.55 483.00 565.00 2004 501.39 445.00 544.00 2005 514.16 453.00 585.00 2006 506.58 445.00 565.00 2007 549.87 480.00 611.00 2008 526.13 466.00 560.00 2009 514.94 427.00 649.00 2010 545.68 496.00 628.00 2011 504.43 460.00 540.00 2012 564.74 491.00 683.00 2013 513.74 414.00 566.00 2014 563.87 470.00 622.00 2015 583.29 506.00 644.00 2016 540.77 471.00 619.00 2017 522.39 485.00 572.00 2018 520.26 478.00 569.00 2019 512.29 486.00 564.00 2020 501.58 450.00 544.00 2021 527.55 474.00 616.00 2022 496.84 460.00 530.00 2023 523.45 467.00 598.00 2024 556.68 513.00 636.00