Name: NH polar cap ozone Units: DU Month: October Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 301.43 291.51 312.13 1980 300.90 290.84 314.01 1981 297.64 289.18 309.11 1982 296.70 285.90 308.85 1983 291.51 287.47 297.48 1984 298.08 290.48 305.40 1985 291.70 284.61 306.68 1986 289.17 282.15 297.78 1987 300.56 286.61 322.15 1988 291.15 283.89 303.67 1989 296.76 285.87 304.10 1990 291.53 287.37 296.61 1991 288.69 283.83 291.34 1992 290.25 281.08 295.21 1993 -9999.00 -9999.00 -9999.00 1994 286.56 281.24 293.88 1995 -9999.00 -9999.00 -9999.00 1996 285.64 276.42 306.00 1997 282.37 274.79 292.36 1998 300.72 292.98 308.63 1999 292.55 285.30 300.83 2000 284.74 276.05 300.83 2001 296.17 287.25 303.67 2002 270.94 263.14 280.19 2003 295.75 285.88 309.52 2004 284.32 275.14 307.58 2005 290.48 276.83 308.92 2006 302.00 286.02 324.98 2007 297.61 283.34 318.09 2008 286.10 276.54 298.62 2009 292.37 279.03 311.53 2010 300.92 291.21 315.16 2011 290.25 279.21 297.62 2012 287.42 283.08 297.00 2013 301.85 293.16 309.21 2014 301.35 286.91 315.30 2015 299.81 290.28 317.27 2016 292.06 284.15 313.59 2017 293.88 279.68 309.77 2018 296.75 291.25 301.19 2019 288.37 281.95 298.68 2020 295.02 283.50 305.29 2021 301.50 284.68 318.60 2022 305.29 288.37 316.68 2023 293.48 283.09 305.49