Name: Total column ozone Units: DU toms+omi+omps Missing: -9999.0 Month: July Year Global 90S--60S 60S--30S 30S--10S 10S--10N 10N--30N 30N--60N 60N--90N 1979 301.59 328.63 333.11 274.46 264.85 288.23 327.78 328.17 1980 299.98 326.60 325.32 259.15 275.92 289.13 327.82 333.44 1981 299.85 318.43 326.95 276.02 265.69 287.12 324.91 328.35 1982 301.02 314.33 322.44 269.05 272.82 290.54 331.74 330.38 1983 295.61 326.77 323.02 272.85 261.57 280.19 321.85 319.25 1984 296.74 314.87 332.98 269.89 257.68 284.26 320.21 324.23 1985 291.29 302.35 304.62 259.70 273.01 283.33 317.30 323.59 1986 292.24 308.25 320.16 266.01 261.46 281.07 316.45 315.11 1987 295.55 298.73 312.94 264.80 265.39 285.50 329.92 330.59 1988 294.58 310.65 313.59 273.41 265.17 282.02 322.37 319.40 1989 298.60 309.91 318.60 279.16 265.76 292.18 323.82 319.15 1990 296.47 304.49 313.47 263.75 279.71 290.67 320.04 320.07 1991 299.00 295.28 320.82 271.78 269.20 290.97 327.72 325.37 1992 290.28 293.81 317.68 255.36 262.89 282.50 317.68 314.28 1993 281.93 289.12 310.35 259.53 255.37 271.52 301.87 296.10 1994 289.13 311.45 317.52 259.65 254.97 282.19 312.94 318.37 1995 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 -9999.00 1997 284.26 282.82 294.84 252.78 267.51 278.49 312.23 313.64 1998 294.60 293.94 319.79 268.79 261.84 283.99 319.54 331.50 1999 291.82 290.32 307.40 263.41 273.17 284.22 315.49 321.16 2000 290.26 273.19 307.96 273.55 263.62 284.06 312.16 312.90 2001 292.00 286.14 320.00 264.96 258.81 284.86 316.09 321.06 2002 294.03 308.57 319.41 261.18 268.83 284.97 318.24 320.78 2003 294.05 285.66 312.17 271.67 262.43 288.21 321.59 323.00 2004 291.31 305.73 299.75 257.12 274.96 287.93 318.99 321.35 2005 286.75 286.85 318.39 262.93 253.30 275.57 308.74 312.16 2006 284.55 277.78 290.01 251.58 267.35 282.67 314.64 319.27 2007 288.52 295.24 326.63 263.48 251.26 274.73 310.34 313.54 2008 285.06 282.32 297.12 256.28 269.55 279.73 308.57 312.08 2009 288.57 290.60 311.58 269.55 255.71 278.35 313.90 312.23 2010 292.21 316.47 312.73 262.66 261.60 281.63 320.97 326.08 2011 288.28 304.94 320.24 267.86 258.15 275.38 305.99 305.94 2012 287.77 302.13 312.23 266.24 256.24 282.44 308.07 307.51 2013 289.27 297.56 297.73 255.12 273.71 285.49 316.39 321.79 2014 290.47 295.26 316.17 266.77 260.09 280.32 314.30 314.65 2015 289.57 308.12 307.36 252.37 266.80 283.30 318.02 321.61 2016 287.74 297.35 316.07 252.13 265.19 276.79 310.24 316.89 2017 289.39 290.74 317.28 266.15 259.02 278.26 310.39 317.78 2018 290.79 292.59 321.44 266.00 255.43 282.89 312.20 319.15 2019 290.17 295.76 313.84 262.53 260.91 277.86 316.83 323.56 2020 283.88 281.28 304.54 259.52 260.75 275.34 305.65 309.11 2021 288.63 290.05 304.11 271.66 259.26 281.57 312.74 314.49 2022 287.07 291.50 297.96 256.81 264.43 284.31 315.63 317.03 2023 289.30 274.62 321.07 266.19 258.39 279.63 309.36 313.63