Name: SH polar cap ozone Units: DU Month: May Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 285.24 277.39 298.33 1980 299.98 283.36 312.99 1981 296.76 286.10 307.85 1982 282.10 273.80 290.45 1983 283.72 277.96 289.86 1984 273.26 263.88 282.06 1985 271.04 266.99 275.52 1986 268.27 259.45 278.85 1987 275.84 269.15 284.39 1988 272.62 266.38 280.00 1989 282.83 271.01 291.73 1990 278.21 269.47 287.79 1991 279.96 272.89 286.46 1992 277.36 266.32 284.35 1993 283.22 272.94 291.63 1994 -9999.00 -9999.00 -9999.00 1995 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 1997 285.30 279.06 289.87 1998 281.12 274.57 288.65 1999 285.95 277.00 293.02 2000 274.45 264.68 281.77 2001 274.24 260.87 288.92 2002 267.64 259.38 281.16 2003 277.93 274.51 285.28 2004 285.35 276.55 297.77 2005 284.07 279.97 289.58 2006 300.73 289.34 312.76 2007 275.14 264.22 280.12 2008 292.29 280.04 303.01 2009 281.93 271.25 293.44 2010 296.28 287.37 305.19 2011 298.27 288.43 307.50 2012 296.71 287.25 309.78 2013 273.85 264.39 278.70 2014 282.39 273.34 290.07 2015 287.24 279.58 294.49 2016 286.29 270.55 305.30 2017 272.51 267.77 279.03 2018 277.36 270.92 288.29 2019 274.48 267.44 279.48 2020 272.55 267.01 276.05 2021 280.85 274.55 286.56 2022 271.03 264.72 275.64 2023 264.66 258.99 268.88