Name: NH minimum ozone Units: DU Month: January Source: toms+omi+omps Missing: -9999.0 Year Data Minumum Maximum 1979 250.30 220.00 289.00 1980 257.52 233.00 281.00 1981 244.19 223.00 270.00 1982 258.87 210.00 292.00 1983 242.90 208.00 265.00 1984 266.90 247.00 303.00 1985 242.06 194.00 265.00 1986 244.26 195.00 284.00 1987 237.77 207.00 282.00 1988 236.94 212.00 254.00 1989 252.55 196.00 275.00 1990 248.26 221.00 273.00 1991 261.48 212.00 293.00 1992 216.55 179.00 250.00 1993 232.48 211.00 257.00 1994 -9999.00 -9999.00 -9999.00 1995 -9999.00 -9999.00 -9999.00 1996 -9999.00 -9999.00 -9999.00 1997 249.71 228.00 283.00 1998 251.87 185.00 276.00 1999 236.48 213.00 256.00 2000 250.00 227.00 269.00 2001 255.42 226.00 273.00 2002 237.68 201.00 258.00 2003 243.45 209.00 287.00 2004 232.58 186.00 264.00 2005 244.26 226.00 276.00 2006 235.26 188.00 265.00 2007 263.16 240.00 292.00 2008 241.48 215.00 277.00 2009 247.84 219.00 267.00 2010 266.45 222.00 350.00 2011 251.20 235.00 276.00 2012 239.00 182.00 317.00 2013 240.10 215.00 272.00 2014 253.81 225.00 275.00 2015 266.48 245.00 293.00 2016 253.55 191.00 290.00 2017 243.06 198.00 263.00 2018 254.19 236.00 268.00 2019 233.81 188.00 258.00 2020 247.26 187.00 272.00 2021 245.81 203.00 280.00 2022 259.06 235.00 271.00 2023 244.55 184.00 272.00 2024 262.97 230.00 284.00