Northwest Passage minimum ice coverage graph, 1968 to 2020
Data
| Season |
Week |
Total Concentration |
|---|
| 1968 |
1968-09-24 |
0.0738 |
| 1969 |
1969-09-10 |
0.0311 |
| 1970 |
1970-09-17 |
0.0112 |
| 1971 |
1971-09-17 |
0.0209 |
| 1972 |
1972-09-10 |
0.2334 |
| 1973 |
1973-09-17 |
0.0267 |
| 1974 |
1974-09-17 |
0.0839 |
| 1975 |
1975-08-27 |
0.0671 |
| 1976 |
1976-09-17 |
0.1691 |
| 1977 |
1977-08-27 |
0.0921 |
| 1978 |
1978-09-03 |
0.2652* |
| 1979 |
1979-09-03 |
0.2532 |
| 1980 |
1980-08-27 |
0.1129 |
| 1981 |
1981-09-10 |
0.0155 |
| 1982 |
1982-09-10 |
0.0523 |
| 1983 |
1983-09-24 |
0.0890 |
| 1984 |
1984-09-03 |
0.0617 |
| 1985 |
1985-09-17 |
0.0422 |
| 1986 |
1986-09-03 |
0.2256 |
| 1987 |
1987-09-10 |
0.1431 |
| 1988 |
1988-09-10 |
0.0594 |
| 1989 |
1989-09-17 |
0.0941 |
| 1990 |
1990-09-10 |
0.1598 |
| 1991 |
1991-09-10 |
0.1978 |
| 1992 |
1992-09-10 |
0.1859 |
| 1993 |
1993-09-17 |
0.0579 |
| 1994 |
1994-09-10 |
0.0927 |
| 1995 |
1995-08-27 |
0.0802 |
| 1996 |
1996-08-27 |
0.1572 |
| 1997 |
1997-08-27 |
0.1600 |
| 1998 |
1998-09-17 |
0.0047 |
| 1999 |
1999-09-24 |
0.0165 |
| 2000 |
2000-09-10 |
0.0102 |
| 2001 |
2001-10-01 |
0.0268 |
| 2002 |
2002-09-24 |
0.0451 |
| 2003 |
2003-09-17 |
0.1381 |
| 2004 |
2004-08-20 |
0.2122 |
| 2005 |
2005-09-10 |
0.0952 |
| 2006 |
2006-09-03 |
0.0079 |
| 2007 |
2007-09-17 |
0.0146 |
| 2008 |
2008-09-03 |
0.0034 |
| 2009 |
2009-09-24 |
0.0279 |
| 2010 |
2010-09-17 |
0.0201 |
| 2011 |
2011-09-17 |
0.0001 |
| 2012 |
2012-09-24 |
0.0000** |
| 2013 |
2013-09-10 |
0.0346 |
| 2014 |
2014-09-17 |
0.0597 |
| 2015 |
2015-09-17 |
0.0006 |
| 2016 |
2016-08-27 |
0.0048 |
| 2017 |
2017-09-17 |
0.0395 |
| 2018 |
2018-09-03 |
0.1575 |
| 2019 |
2019-09-24 |
0.008 |
| 2020 |
2020-09-10 |
0.0391 |
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