Year,AvgConc,ConcRank 1953,0.0,73 1954,0.0,72 1955,0.0,71 1956,0.0,70 1957,0.0,69 1958,0.0,68 1959,0.0,67 1960,0.0,66 1961,0.0,65 1962,0.0,64 1963,0.0,63 1964,0.0,62 1965,0.0,61 1966,0.0,60 1967,0.0,59 1968,0.0,58 1969,0.0,57 1970,0.0,56 1971,0.0,55 1972,0.0,54 1973,0.0,53 1974,0.0,52 1975,0.0,51 1976,0.0,50 1977,0.0,49 1978,0.0,48 1979,0.0,47 1980,0.0,46 1981,0.0,45 1982,0.0,44 1983,0.0,43 1984,0.0,42 1985,0.0,41 1986,0.0,40 1987,0.0,39 1988,0.0,38 1989,0.0,37 1990,0.0,36 1991,0.0,35 1992,0.0,34 1993,0.0,33 1994,0.0,32 1995,0.0,31 1996,0.0,30 1997,0.0,29 1998,0.0,28 1999,0.0,27 2000,0.0,26 2001,0.0,25 2002,0.0,24 2003,0.0,23 2004,0.0,22 2005,0.0,21 2006,0.0,20 2007,0.0,19 2008,0.0,18 2009,0.0,17 2010,0.0,16 2011,0.0,15 2012,0.0,14 2013,0.0,13 2014,0.0,12 2015,0.0,11 2016,0.0,10 2017,0.0,9 2018,0.0,8 2019,0.0,7 2020,0.0,6 2021,0.0,5 2022,0.0,4 2023,0.0,3 2024,0.0,2 2025,0.0,1 Variable: Ice Concentration Domain: User Defined Line Month(s): Jul Average of all values: 0.0 Normal Period: 1991 to 2020 Normal Value = 0.0 Percent Trend Begin Value = 0.0 Percent Trend End Value = 0.0 Percent Total Trend (Change) = 0.0 Percent Total Trend (Change) per Decade = 0.0 Percent Trend Statistical Sig. (M-K Test): No trend Trend P-value (M-K Test): 1.0