Name: Total column ozone Units: DU toms+omi+omps Missing: -9999.0 Month: October Year Global 90S--60S 60S--30S 30S--10S 10S--10N 10N--30N 30N--60N 60N--90N 1979 302.29 357.07 367.38 288.70 261.05 268.23 298.02 304.42 1980 297.49 312.70 345.98 281.40 274.78 273.51 299.35 301.63 1981 300.32 305.58 364.54 292.05 265.22 273.15 298.11 303.24 1982 295.79 305.99 345.75 282.60 272.56 268.47 298.37 301.43 1983 293.94 291.19 350.95 289.91 263.53 268.47 292.42 295.96 1984 293.43 283.38 349.99 286.00 265.61 265.22 295.95 301.71 1985 286.77 252.05 327.30 278.28 271.65 271.10 291.45 296.99 1986 292.19 280.06 350.12 286.01 262.34 268.98 292.09 295.61 1987 289.44 224.36 340.58 282.97 274.78 265.50 298.67 302.96 1988 295.02 312.75 355.24 289.02 264.03 266.58 289.72 291.06 1989 293.50 242.55 348.31 295.74 268.18 275.45 293.74 298.76 1990 287.83 238.20 333.73 281.11 275.32 271.85 289.55 295.82 1991 293.59 257.35 354.90 297.29 260.95 271.96 292.69 293.00 1992 283.30 254.86 330.00 274.10 269.65 259.94 285.74 293.19 1993 275.32 248.42 324.06 274.50 250.48 254.17 280.04 -NaN 1994 281.81 231.02 337.13 276.31 262.65 259.50 285.29 290.17 1995 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 1996 283.82 234.06 339.06 283.43 261.95 262.22 285.57 288.50 1997 281.49 221.95 324.92 276.61 266.38 266.28 290.28 286.92 1998 286.77 214.20 336.29 287.36 270.83 266.15 290.47 305.75 1999 286.34 214.87 333.01 286.21 271.86 270.91 289.85 297.12 2000 286.55 259.73 339.04 287.96 258.57 265.03 287.34 289.62 2001 287.48 223.44 335.12 288.64 271.36 265.40 292.79 300.89 2002 292.04 306.06 345.65 282.78 267.62 267.02 291.47 278.73 2003 286.47 247.88 342.12 283.81 261.20 264.58 287.59 296.07 2004 285.54 267.63 330.69 276.77 267.45 268.51 286.49 287.47 2005 281.29 247.47 336.47 281.04 254.03 259.64 280.88 290.10 2006 277.16 210.82 315.45 268.85 261.18 265.22 289.33 297.91 2007 284.01 263.02 340.58 281.01 254.52 261.22 282.17 295.62 2008 279.42 227.96 323.47 274.33 263.30 264.40 284.80 287.33 2009 284.34 257.18 341.24 280.25 252.89 261.81 288.09 293.02 2010 287.07 240.69 327.00 282.61 275.95 266.11 291.83 303.95 2011 282.81 214.16 337.04 287.21 259.94 266.28 282.40 294.57 2012 284.79 296.64 336.84 277.46 254.80 259.80 284.03 289.67 2013 283.85 269.56 322.28 271.77 267.82 266.87 286.12 300.76 2014 286.65 259.92 337.79 283.70 258.74 266.59 287.45 301.21 2015 280.74 188.69 318.26 276.42 271.92 268.03 293.47 301.79 2016 283.30 255.48 329.83 272.01 266.62 261.26 288.16 296.44 2017 288.59 273.66 341.98 285.09 258.89 266.32 289.03 296.88 2018 285.14 220.10 342.64 280.39 264.31 261.24 291.92 299.39 2019 289.39 314.58 341.89 279.79 257.65 263.64 288.02 293.26 2020 280.20 213.99 323.67 278.03 265.98 263.87 284.69 298.59 2021 283.65 206.55 330.66 287.71 259.75 270.59 290.05 299.93 2022 281.33 207.46 314.36 277.89 273.57 268.41 289.51 304.29 2023 286.02 245.39 339.96 284.50 258.00 265.85 288.85 297.90