Name: SH polar cap ozone Units: DU Month: July Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 300.56 290.23 317.92 1980 301.30 289.39 308.37 1981 299.65 288.77 306.50 1982 288.75 282.28 293.73 1983 292.22 283.89 299.98 1984 286.18 277.14 305.05 1985 279.50 272.36 289.02 1986 273.06 268.65 279.83 1987 270.67 261.82 276.60 1988 274.67 269.18 279.53 1989 288.96 281.24 297.98 1990 282.29 275.11 291.24 1991 282.14 260.96 298.17 1992 275.61 260.09 288.20 1993 -9999.00 -9999.00 -9999.00 1994 277.73 270.75 290.00 1995 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 1997 272.06 249.19 283.83 1998 283.70 256.80 303.15 1999 274.89 254.61 291.16 2000 258.79 239.63 274.64 2001 266.24 248.26 289.22 2002 279.43 265.61 288.73 2003 268.60 249.42 279.57 2004 287.85 277.79 297.31 2005 281.94 264.48 290.44 2006 299.36 274.36 311.87 2007 279.27 261.47 292.62 2008 292.05 267.25 307.00 2009 285.44 260.44 294.75 2010 318.11 300.85 340.41 2011 295.74 273.93 316.67 2012 304.76 282.28 316.97 2013 264.91 259.66 274.16 2014 277.69 263.24 289.79 2015 298.41 290.30 306.41 2016 276.00 266.82 284.72 2017 271.89 262.74 277.12 2018 272.74 260.28 280.23 2019 272.84 267.52 277.69 2020 271.25 258.92 279.76 2021 274.69 265.59 280.99 2022 270.79 265.30 274.78 2023 256.75 250.29 264.07