Name: NH polar cap ozone Units: DU Month: September Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 300.13 294.59 304.91 1980 298.79 290.48 303.99 1981 292.64 290.08 294.97 1982 300.40 291.20 307.10 1983 291.82 285.47 297.67 1984 288.46 285.26 292.75 1985 289.67 283.83 294.96 1986 292.32 286.99 298.42 1987 302.75 298.92 307.24 1988 291.92 285.77 296.64 1989 289.06 280.94 294.29 1990 285.54 280.14 290.48 1991 289.91 287.12 293.31 1992 290.36 283.66 296.84 1993 274.92 271.52 277.20 1994 -9999.00 -9999.00 -9999.00 1995 -9999.00 -9999.00 -9999.00 1996 283.10 277.95 288.10 1997 286.42 277.23 292.09 1998 301.67 296.77 305.63 1999 287.21 280.95 292.25 2000 282.80 278.56 287.23 2001 295.52 291.04 299.96 2002 280.98 274.66 290.11 2003 291.98 286.33 295.66 2004 280.58 272.89 289.14 2005 279.15 273.39 283.49 2006 288.38 284.67 295.25 2007 288.67 280.45 291.74 2008 283.27 279.51 287.46 2009 286.27 282.27 290.56 2010 292.03 287.97 297.61 2011 278.38 275.01 282.17 2012 281.61 275.86 288.57 2013 293.43 287.97 297.00 2014 294.53 288.03 300.18 2015 292.55 287.93 297.61 2016 293.49 290.76 296.38 2017 285.47 278.43 293.00 2018 295.42 288.08 301.76 2019 291.07 282.94 296.25 2020 291.55 284.96 299.27 2021 286.26 281.42 290.55 2022 295.67 291.90 300.74 2023 289.36 283.65 296.09