#Data processed by www.woodfortrees.org
#Please check original source for first-hand data and information:
#
#----------------------------------------------------
#Data from National Snow and Ice Data Center
#http://nsidc.org/data/seaice_index/
#----------------------------------------------------
#
#File: sea-ice-index-N.txt
#
#Time series (nsidc) from 1978.83 to 2013.33
1978.83	12.01
1978.92	14.12
1979	15.54
1979.08	16.31
1979.17	16.45
1979.25	15.46
1979.33	14.06
1979.42	12.6
1979.5	10.47
1979.58	8.15
1979.67	7.2
1979.75	9.39
1979.83	11.16
1979.92	13.54
1980	14.96
1980.08	15.98
1980.17	16.13
1980.25	15.49
1980.33	14.04
1980.42	12.33
1980.5	10.39
1980.58	8.04
1980.67	7.85
1980.75	9.46
1980.83	11.69
1980.92	13.72
1981	15.03
1981.08	15.65
1981.17	15.61
1981.25	15.12
1981.33	13.9
1981.42	12.57
1981.5	10.62
1981.58	7.86
1981.67	7.25
1981.75	9.19
1981.83	11.17
1981.92	13.74
1982	15.26
1982.08	16.06
1982.17	16.15
1982.25	15.57
1982.33	14.17
1982.42	12.7
1982.5	10.75
1982.58	8.26
1982.67	7.45
1982.75	9.98
1982.83	11.91
1982.92	13.83
1983	15.1
1983.08	16.02
1983.17	16.1
1983.25	15.3
1983.33	13.54
1983.42	12.36
1983.5	10.91
1983.58	8.36
1983.67	7.52
1983.75	9.64
1983.83	11.64
1983.92	13.44
1984	14.61
1984.08	15.32
1984.17	15.62
1984.25	15.15
1984.33	13.68
1984.42	12.2
1984.5	10.15
1984.58	7.87
1984.67	7.17
1984.75	8.84
1984.83	11.29
1984.92	13.18
1985	14.86
1985.08	15.67
1985.17	16.06
1985.25	15.34
1985.33	14.23
1985.42	12.4
1985.5	10.09
1985.58	7.46
1985.67	6.93
1985.75	8.88
1985.83	11.39
1985.92	13.19
1986	15.02
1986.08	15.89
1986.17	16.08
1986.25	15.15
1986.33	13.52
1986.42	12.11
1986.5	10.47
1986.58	8.01
1986.67	7.54
1986.75	9.89
1986.83	11.78
1986.92	13.4
1987	15.2
1987.08	16.11
1987.17	15.95
1987.25	15.33
1987.33	13.81
1987.42	12.57
1987.5	9.98
1987.58	7.69
1987.67	7.48
1987.75	9.29
1987.83	11.52
1987.92	12.8833
1988	14.2467
1988.08	15.61
1988.17	16.13
1988.25	15.21
1988.33	13.69
1988.42	12.03
1988.5	10.04
1988.58	7.9
1988.67	7.49
1988.75	9.47
1988.83	11.69
1988.92	13.78
1989	15.12
1989.08	15.56
1989.17	15.52
1989.25	14.44
1989.33	12.98
1989.42	12.32
1989.5	10.38
1989.58	7.92
1989.67	7.04
1989.75	9.52
1989.83	11.5
1989.92	13.47
1990	14.95
1990.08	15.56
1990.17	15.88
1990.25	14.68
1990.33	13.3
1990.42	11.69
1990.5	9.62
1990.58	6.82
1990.67	6.24
1990.75	9.35
1990.83	11.31
1990.92	13.27
1991	14.46
1991.08	15.26
1991.17	15.5
1991.25	14.93
1991.33	13.51
1991.42	12.24
1991.5	9.68
1991.58	7.4
1991.67	6.55
1991.75	9.16
1991.83	11.12
1991.92	13.17
1992	14.72
1992.08	15.5
1992.17	15.47
1992.25	14.7
1992.33	13.25
1992.42	12.15
1992.5	10.61
1992.58	7.86
1992.67	7.55
1992.75	9.6
1992.83	11.87
1992.92	13.46
1993	15.08
1993.08	15.73
1993.17	15.88
1993.25	15.18
1993.33	13.54
1993.42	12
1993.5	9.66
1993.58	7.29
1993.67	6.5
1993.75	9.18
1993.83	11.73
1993.92	13.52
1994	14.82
1994.08	15.61
1994.17	15.58
1994.25	14.95
1994.33	13.73
1994.42	12.11
1994.5	10.22
1994.58	7.61
1994.67	7.18
1994.75	9.48
1994.83	11.3
1994.92	13.53
1995	14.62
1995.08	15.24
1995.17	15.32
1995.25	14.59
1995.33	13.04
1995.42	11.56
1995.5	9.15
1995.58	6.68
1995.67	6.13
1995.75	8.94
1995.83	10.97
1995.92	12.98
1996	14.21
1996.08	15.17
1996.17	15.13
1996.25	14.22
1996.33	13.06
1996.42	12.11
1996.5	10.36
1996.58	8.17
1996.67	7.88
1996.75	9.39
1996.83	10.56
1996.92	13.14
1997	14.47
1997.08	15.52
1997.17	15.58
1997.25	14.59
1997.33	13.32
1997.42	11.91
1997.5	9.59
1997.58	7.3
1997.67	6.74
1997.75	8.76
1997.83	10.91
1997.92	13.29
1998	14.81
1998.08	15.77
1998.17	15.66
1998.25	14.89
1998.33	13.8
1998.42	11.86
1998.5	9.62
1998.58	7.49
1998.67	6.56
1998.75	8.85
1998.83	10.75
1998.92	13.26
1999	14.47
1999.08	15.37
1999.17	15.4
1999.25	15.13
1999.33	13.86
1999.42	12.11
1999.5	9.59
1999.58	7.38
1999.67	6.24
1999.75	9.1
1999.83	10.99
1999.92	12.88
2000	14.41
2000.08	15.18
2000.17	15.27
2000.25	14.63
2000.33	13.18
2000.42	11.72
2000.5	9.75
2000.58	7.21
2000.67	6.32
2000.75	8.92
2000.83	10.54
2000.92	12.81
2001	14.31
2001.08	15.27
2001.17	15.61
2001.25	14.86
2001.33	13.72
2001.42	11.69
2001.5	9.22
2001.58	7.47
2001.67	6.75
2001.75	8.59
2001.83	10.92
2001.92	12.84
2002	14.45
2002.08	15.36
2002.17	15.44
2002.25	14.37
2002.33	13.12
2002.42	11.7
2002.5	9.49
2002.58	6.53
2002.67	5.96
2002.75	8.81
2002.83	10.78
2002.92	12.82
2003	14.46
2003.08	15.25
2003.17	15.49
2003.25	14.57
2003.33	13
2003.42	11.77
2003.5	9.46
2003.58	6.85
2003.67	6.15
2003.75	8.65
2003.83	10.29
2003.92	12.82
2004	14.03
2004.08	14.93
2004.17	15.05
2004.25	14.11
2004.33	12.58
2004.42	11.52
2004.5	9.6
2004.58	6.83
2004.67	6.05
2004.75	8.48
2004.83	10.65
2004.92	12.72
2005	13.66
2005.08	14.36
2005.17	14.74
2005.25	14.07
2005.33	12.99
2005.42	11.3
2005.5	8.93
2005.58	6.3
2005.67	5.57
2005.75	8.45
2005.83	10.47
2005.92	12.47
2006	13.6
2006.08	14.42
2006.17	14.43
2006.25	13.97
2006.33	12.62
2006.42	11.06
2006.5	8.67
2006.58	6.52
2006.67	5.92
2006.75	8.33
2006.83	9.84
2006.92	12.27
2007	13.77
2007.08	14.53
2007.17	14.65
2007.25	13.87
2007.33	12.89
2007.42	11.5
2007.5	8.13
2007.58	5.36
2007.67	4.3
2007.75	6.77
2007.83	10.05
2007.92	12.39
2008	14.05
2008.08	15.01
2008.17	15.22
2008.25	14.42
2008.33	13.19
2008.42	11.37
2008.5	8.99
2008.58	6.05
2008.67	4.73
2008.75	8.42
2008.83	10.62
2008.92	12.52
2009	14.08
2009.08	14.85
2009.17	15.14
2009.25	14.57
2009.33	13.4
2009.42	11.47
2009.5	8.8
2009.58	6.28
2009.67	5.39
2009.75	7.52
2009.83	10.27
2009.92	12.51
2010	13.8
2010.08	14.59
2010.17	15.11
2010.25	14.7
2010.33	13.11
2010.42	10.83
2010.5	8.36
2010.58	6.01
2010.67	4.93
2010.75	7.71
2010.83	9.88
2010.92	12.02
2011	13.57
2011.08	14.38
2011.17	14.58
2011.25	14.16
2011.33	12.81
2011.42	10.99
2011.5	7.91
2011.58	5.55
2011.67	4.63
2011.75	7.14
2011.83	10
2011.92	12.4
2012	13.73
2012.08	14.56
2012.17	15.21
2012.25	14.73
2012.33	13.13
2012.42	10.97
2012.5	7.94
2012.58	4.72
2012.67	3.61
2012.75	7
2012.83	9.93
2012.92	12.2
2013	13.78
2013.08	14.66
2013.17	15.04
2013.25	14.37
#Data ends
#Number of samples: 414
#Mean: 11.8211
e
#Data processed by www.woodfortrees.org
#Please check original source for first-hand data and information:
#
#----------------------------------------------------
#Data from National Snow and Ice Data Center
#http://nsidc.org/data/seaice_index/
#----------------------------------------------------
#
#File: sea-ice-index-S.txt
#
#Time series (nsidc) from 1978.83 to 2013.33
1978.83	16.4
1978.92	11.38
1979	5.71
1979.08	3.1
1979.17	4.47
1979.25	8.21
1979.33	11.43
1979.42	14.74
1979.5	16.83
1979.58	18.11
1979.67	18.4
1979.75	18.03
1979.83	15.87
1979.92	10.41
1980	4.72
1980.08	2.83
1980.17	3.54
1980.25	5.93
1980.33	9.46
1980.42	13.24
1980.5	16.09
1980.58	18.1
1980.67	19.06
1980.75	18.9
1980.83	16.71
1980.92	11.15
1981	4.49
1981.08	2.87
1981.17	3.66
1981.25	6.31
1981.33	10.11
1981.42	13.92
1981.5	16.47
1981.58	18.23
1981.67	18.9
1981.75	18.54
1981.83	16.36
1981.92	12.19
1982	5.45
1982.08	3.11
1982.17	4.8
1982.25	8.28
1982.33	11.16
1982.42	13.99
1982.5	16.25
1982.58	18.11
1982.67	18.63
1982.75	18
1982.83	16.02
1982.92	9.9
1983	4.94
1983.08	3.03
1983.17	4.32
1983.25	7.09
1983.33	10.09
1983.42	13.35
1983.5	15.93
1983.58	17.62
1983.67	18.84
1983.75	18.11
1983.83	16.31
1983.92	11.38
1984	5.15
1984.08	2.71
1984.17	3.93
1984.25	7.02
1984.33	10.38
1984.42	13.94
1984.5	16.77
1984.58	18.14
1984.67	18.66
1984.75	17.75
1984.83	16.58
1984.92	11.47
1985	4.48
1985.08	2.78
1985.17	3.99
1985.25	7.05
1985.33	10.86
1985.42	13.99
1985.5	16.09
1985.58	18.03
1985.67	19.02
1985.75	18.42
1985.83	16.41
1985.92	12.39
1986	5.58
1986.08	3.19
1986.17	4.08
1986.25	6.91
1986.33	9.78
1986.42	13.31
1986.5	15.82
1986.58	17.73
1986.67	17.97
1986.75	17.61
1986.83	15.54
1986.92	10.13
1987	5.17
1987.08	3.24
1987.17	4.42
1987.25	7.36
1987.33	10.28
1987.42	13.31
1987.5	16.31
1987.58	17.97
1987.67	18.65
1987.75	18.01
1987.83	15.82
1987.92	11.49
1988	7.16
1988.08	2.83
1988.17	4.35
1988.25	6.85
1988.33	10.32
1988.42	13.6
1988.5	16.31
1988.58	18.11
1988.67	18.64
1988.75	18.6
1988.83	16.61
1988.92	12.22
1989	4.89
1989.08	2.99
1989.17	4.19
1989.25	6.85
1989.33	11.17
1989.42	14.17
1989.5	16.14
1989.58	17.74
1989.67	18.27
1989.75	18.03
1989.83	16.08
1989.92	10.7
1990	5.12
1990.08	3.01
1990.17	4.36
1990.25	7.48
1990.33	10.34
1990.42	13.75
1990.5	16.04
1990.58	17.96
1990.67	18.44
1990.75	18.18
1990.83	16.01
1990.92	10.66
1991	5.44
1991.08	3.07
1991.17	4.33
1991.25	7.49
1991.33	11.08
1991.42	13.52
1991.5	16.21
1991.58	18.18
1991.67	18.56
1991.75	18.2
1991.83	16.05
1991.92	10.8
1992	4.84
1992.08	2.86
1992.17	4.07
1992.25	7.42
1992.33	10.37
1992.42	13.34
1992.5	16.56
1992.58	18.18
1992.67	18.41
1992.75	18.22
1992.83	16.26
1992.92	11.22
1993	4.59
1993.08	2.46
1993.17	4.18
1993.25	7.18
1993.33	10.59
1993.42	13.61
1993.5	16.4
1993.58	17.79
1993.67	18.67
1993.75	18.38
1993.83	16.4
1993.92	11.01
1994	5.19
1994.08	3.15
1994.17	5.07
1994.25	7.67
1994.33	10.95
1994.42	14.13
1994.5	16.81
1994.58	18.24
1994.67	18.96
1994.75	18.26
1994.83	16.41
1994.92	10.68
1995	5.83
1995.08	3.49
1995.17	4.97
1995.25	7.78
1995.33	11.11
1995.42	13.84
1995.5	16.2
1995.58	18.2
1995.67	18.73
1995.75	18.3
1995.83	15.97
1995.92	11.35
1996	6.17
1996.08	2.89
1996.17	4.61
1996.25	7.99
1996.33	11.5
1996.42	14.38
1996.5	16.58
1996.58	18.14
1996.67	18.86
1996.75	18.17
1996.83	16.36
1996.92	10.53
1997	4.27
1997.08	2.42
1997.17	3.85
1997.25	7.09
1997.33	10.84
1997.42	13.67
1997.5	16.42
1997.58	18.02
1997.67	19.15
1997.75	18.14
1997.83	16.25
1997.92	11.41
1998	4.45
1998.08	2.99
1998.17	4.65
1998.25	7.56
1998.33	10.92
1998.42	13.98
1998.5	16.36
1998.58	18.19
1998.67	19.14
1998.75	18.82
1998.83	16.64
1998.92	11.38
1999	4.95
1999.08	2.9
1999.17	4.53
1999.25	7.33
1999.33	10.89
1999.42	14.22
1999.5	16.76
1999.58	18.27
1999.67	19.02
1999.75	18.73
1999.83	16.32
1999.92	11.59
2000	4.82
2000.08	2.84
2000.17	4.43
2000.25	7.77
2000.33	11.66
2000.42	14.41
2000.5	16.74
2000.58	18.61
2000.67	19.12
2000.75	18.46
2000.83	16.23
2000.92	10.82
2001	5.36
2001.08	3.73
2001.17	5.07
2001.25	7.52
2001.33	10.96
2001.42	13.91
2001.5	16.19
2001.58	18.04
2001.67	18.4
2001.75	18.08
2001.83	15.76
2001.92	10.96
2002	4.7
2002.08	2.86
2002.17	3.94
2002.25	6.99
2002.33	9.98
2002.42	12.94
2002.5	15.93
2002.58	17.43
2002.67	18.18
2002.75	18.17
2002.83	15.91
2002.92	11.56
2003	6.2
2003.08	3.87
2003.17	4.81
2003.25	7.77
2003.33	11.38
2003.42	14.48
2003.5	16.86
2003.58	18.05
2003.67	18.57
2003.75	18.37
2003.83	16.53
2003.92	11.38
2004	5.78
2004.08	3.59
2004.17	4.81
2004.25	7.79
2004.33	10.95
2004.42	14.36
2004.5	16.74
2004.58	18.22
2004.67	19.13
2004.75	18.57
2004.83	16.57
2004.92	11.4
2005	4.93
2005.08	2.93
2005.17	4.47
2005.25	7.5
2005.33	10.97
2005.42	13.94
2005.5	16.65
2005.58	18.26
2005.67	19.14
2005.75	18.7
2005.83	16.78
2005.92	10.73
2006	4.25
2006.08	2.65
2006.17	3.44
2006.25	6.57
2006.33	10.18
2006.42	13.98
2006.5	16.63
2006.58	18.36
2006.67	19.36
2006.75	18.99
2006.83	16.76
2006.92	10.49
2007	4.87
2007.08	2.88
2007.17	4.09
2007.25	7.01
2007.33	10.34
2007.42	13.87
2007.5	16.5
2007.58	18.04
2007.67	19.25
2007.75	18.68
2007.83	16.24
2007.92	12.67
2008	6.88
2008.08	3.87
2008.17	5.74
2008.25	8.68
2008.33	11.51
2008.42	14.52
2008.5	16.57
2008.58	17.93
2008.67	18.5
2008.75	18.08
2008.83	16.59
2008.92	12.28
2009	5.95
2009.08	2.92
2009.17	4.96
2009.25	8.36
2009.33	11.43
2009.42	14.41
2009.5	16.66
2009.58	18.62
2009.67	19.2
2009.75	18.6
2009.83	16.37
2009.92	11.42
2010	4.93
2010.08	3.16
2010.17	4.03
2010.25	7.31
2010.33	11.51
2010.42	15
2010.5	17.2
2010.58	18.85
2010.67	19.22
2010.75	18.83
2010.83	16.94
2010.92	12.18
2011	4.72
2011.08	2.49
2011.17	3.61
2011.25	6.76
2011.33	10.85
2011.42	13.78
2011.5	16.32
2011.58	18.17
2011.67	18.95
2011.75	18.54
2011.83	16.2
2011.92	12.26
2012	5.76
2012.08	3.54
2012.17	5
2012.25	7.97
2012.33	10.95
2012.42	14.18
2012.5	16.73
2012.58	18.36
2012.67	19.39
2012.75	18.88
2012.83	16.62
2012.92	11.28
2013	5.77
2013.08	3.83
2013.17	5.32
2013.25	8.07
#Data ends
#Number of samples: 414
#Mean: 11.9523
e