Name: NH polar cap ozone Units: DU Month: May Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 405.78 383.86 419.86 1980 409.23 386.58 435.66 1981 394.36 380.54 413.52 1982 413.47 392.93 441.33 1983 390.60 369.07 409.64 1984 400.44 374.85 421.19 1985 396.23 375.78 420.13 1986 389.96 373.02 415.21 1987 401.94 388.17 414.55 1988 393.08 373.12 420.66 1989 391.24 368.57 411.20 1990 376.63 361.16 387.69 1991 392.99 369.92 417.27 1992 379.71 358.09 399.17 1993 352.07 332.96 371.31 1994 -9999.00 -9999.00 -9999.00 1995 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 1997 382.35 360.52 398.74 1998 403.30 379.12 424.59 1999 388.72 367.21 424.01 2000 376.27 365.19 391.95 2001 394.58 373.37 414.26 2002 383.08 357.59 402.77 2003 398.70 381.64 421.00 2004 389.20 367.82 423.09 2005 375.46 358.45 400.89 2006 390.12 376.81 401.35 2007 384.72 358.87 406.69 2008 366.22 355.62 370.58 2009 381.59 362.55 404.33 2010 394.94 381.70 411.06 2011 372.31 349.90 405.86 2012 375.79 349.94 400.18 2013 399.22 372.72 421.14 2014 383.87 355.95 409.12 2015 392.53 364.61 422.80 2016 371.66 355.40 386.86 2017 378.34 356.66 400.62 2018 397.77 378.29 420.81 2019 402.57 380.53 428.29 2020 365.07 353.27 386.57 2021 388.31 367.21 408.50 2022 380.62 357.53 407.79 2023 381.93 358.69 395.52