Name: NH maximum ozone Units: DU Month: February Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 594.48 516.00 677.00 1980 577.71 540.00 634.00 1981 575.32 531.00 644.00 1982 569.96 544.00 598.00 1983 536.54 508.00 582.00 1984 554.50 505.00 589.00 1985 539.68 511.00 575.00 1986 532.21 495.00 557.00 1987 609.11 533.00 691.00 1988 549.50 505.00 599.00 1989 580.29 506.00 648.00 1990 574.86 531.00 627.00 1991 555.07 524.00 594.00 1992 491.14 448.00 550.00 1993 499.86 451.00 542.00 1994 -9999.00 -9999.00 -9999.00 1995 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 1997 501.11 478.00 525.00 1998 538.50 512.00 596.00 1999 538.82 518.00 569.00 2000 518.96 479.00 561.00 2001 594.14 529.00 672.00 2002 548.11 501.00 601.00 2003 522.93 497.00 550.00 2004 511.79 488.00 540.00 2005 522.25 476.00 552.00 2006 542.48 492.00 589.00 2007 561.32 524.00 611.00 2008 545.79 508.00 589.00 2009 563.96 519.00 610.00 2010 575.71 515.00 675.00 2011 515.68 483.00 559.00 2012 558.00 516.00 599.00 2013 504.18 481.00 541.00 2014 553.71 500.00 627.00 2015 564.25 518.00 618.00 2016 542.64 496.00 606.00 2017 530.82 499.00 586.00 2018 587.14 516.00 665.00 2019 539.29 515.00 576.00 2020 525.54 495.00 564.00 2021 529.68 505.00 572.00 2022 510.11 489.00 543.00 2023 564.68 523.00 615.00 2024 591.75 550.00 625.00