NH SBA MINIMUM NUMBERS YR MN DY ICE EXTENT YR MN DY ICE AREA 1979 9 21 6998892.433 1979 9 21 6455322.563 1980 8 26 7862302.527 1980 8 26 7010784.424 1981 9 10 7203627.698 1981 9 6 6438129.712 1982 9 17 7342438.729 1982 9 9 6662314.987 1983 9 14 7537161.907 1983 9 6 6785270.823 1984 9 16 6839268.654 1984 9 10 6206512.681 1985 9 7 6790226.564 1985 9 7 6140910.783 1986 9 6 7387939.512 1986 9 8 6663552.810 1987 8 27 7298438.906 1987 8 23 6248912.671 1988 9 6 7468998.976 1988 8 30 6492643.306 1989 9 9 7183830.265 1989 9 9 6265363.269 1990 9 19 6324112.083 1990 9 3 5635686.526 1991 9 16 6455794.659 1991 9 16 5733746.696 1992 9 4 7294791.561 1992 8 31 6499373.877 1993 9 11 6220624.815 1993 9 4 5469105.129 1994 9 3 7150740.914 1994 9 5 6273856.492 1995 9 30 6084582.268 1995 9 8 5544039.889 1996 9 7 7593789.238 1996 9 8 6752524.653 1997 9 3 6845361.727 1997 9 2 6133342.827 1998 9 12 6425787.919 1998 9 11 5607585.565 1999 9 11 6178309.180 1999 9 11 5200637.558 2000 9 12 6373632.164 2000 9 10 5512233.862 2001 9 13 6798659.948 2001 9 16 5879375.563 2002 9 9 5814063.217 2002 9 8 5126711.231 2003 9 11 6211162.855 2003 9 5 5393702.839 2004 9 19 6064216.950 2004 9 8 5399485.758 2005 9 22 5496227.521 2005 9 21 4951513.038 2006 9 14 5968885.656 2006 9 14 5160366.672 2007 9 14 4220924.572 2007 9 14 3712601.655 2008 9 8 4714050.405 2008 9 17 4033307.445 2009 9 13 5314918.981 2009 9 12 4587511.753 2010 9 17 4857585.563 2010 9 17 4106893.550 2011 9 9 4512820.032 2011 9 6 3734480.181 2012 9 13 3404542.729 2012 9 12 2910646.467 2013 9 11 5174751.862 2013 9 9 4645969.355 2014 9 18 5257618.161 2014 9 14 4527100.482 2015 9 13 4593913.960 2015 9 7 3813979.253 2016 9 7 4325422.284 2016 9 5 3560391.982 2017 9 9 4811455.638 2017 9 12 4172772.380