Title,"Figure 1. March and September Monthly Average Arctic Sea Ice Extent, 1979-2024",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Short title,Arctic Sea Ice Extent,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Source,EPA's Climate Change Indicators in the United States: www.epa.gov/climate-indicators,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Data source,"Data source: NSIDC (National Snow and Ice Data Center). (2024). <i>Data and image archive</i>. Retrieved December 11, 2024, from https://nsidc.org/data/seaice_index/data-and-image-archive.<br/>Web update: December 2024",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Short data source,"Data source: NSIDC, 2024<sup><a href=""#ref6"">6</a></sup><br/>Web update: December 2024",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Units,Square miles,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
x-ticks,"1,6,11,16,21,26,31,36,41,46",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
y-min,0,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
y-axis,Sea ice extent (million square miles),,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
x-axis,Year,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024
Year interval,5,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Data,March,6.308909278,6.19307863,6.034776745,6.19307863,6.212383738,6.015471637,6.135163307,6.14288535,6.108136155,6.162190458,5.953695292,6.127441263,5.953695292,5.976861421,6.104275134,6.003888572,5.891918946,5.837864644,5.9730004,6.02319368,5.945973249,5.87647486,5.992305508,5.926668141,5.976861421,5.787671363,5.671840716,5.567593133,5.613925392,5.861030774,5.783810342,5.845586687,5.617786413,5.868752817,5.80311545,5.698867867,5.548288025,5.55987109,5.517399852,5.521260874,5.625508457,5.687284802,5.660257651,5.6332305,5.575315176,5.741339104
Data,September,2.722020221,2.96140356,2.756769415,2.818545761,2.853294955,2.629355703,2.586884465,2.861016998,2.810823718,2.845572912,2.706576135,2.370667256,2.498080969,2.884183128,2.471053818,2.756769415,2.347501127,2.926654365,2.583023444,2.52510812,2.362945213,2.413138494,2.59846753,2.250975587,2.362945213,2.308890911,2.123561875,2.262558652,1.648656219,1.810819126,2.030897356,1.880317514,1.760625845,1.378384708,2.011592248,2.01545327,1.783791975,1.74904278,1.861012406,1.849429342,1.683405413,1.544408636,1.911205687,1.891900579,1.687266435,1.691127456