2013 was an average year for Global Sea Ice Extent (thanks to it being a banner year for Antarctic Sea Ice Extent)
The average daily anomaly was 200,000 sq km above the 1981-2010 mean. That would be 15th highest since 1979.
Max Extent of 27.4959 million sq km For Whole Year Occurred On Day: 306 November 2
Max Anomaly For Whole Year Occurred On Day: 353 December 19 = 0.9459423 million sq km
Max Anomaly % For Whole Year Occurred On Day: 73 March 14 = 4.72%
There were zero daily records set and no 2nd places.
Here are the key stats for each year. Min/Max/Anomaly in millions sq km.
| Year |
Min |
Max |
day of Max |
day of Min |
Avg Anomaly |
| 1979 |
19.09222 |
27.48859 |
176 |
38 |
0.79 |
| 1980 |
18.5996 |
28.11968 |
289 |
57 |
0.37 |
| 1981 |
18.18091 |
27.48105 |
291 |
45 |
0.35 |
| 1982 |
18.76482 |
27.83626 |
306 |
42 |
0.85 |
| 1983 |
18.84029 |
27.89772 |
307 |
47 |
0.5 |
| 1984 |
17.71544 |
27.18759 |
316 |
40 |
0.13 |
| 1985 |
17.92867 |
27.61347 |
306 |
50 |
0.37 |
| 1986 |
18.80319 |
27.00445 |
317 |
45 |
0.08 |
| 1987 |
18.98408 |
27.15319 |
317 |
46 |
0.46 |
| 1988 |
18.15105 |
27.88244 |
319 |
45 |
0.46 |
| 1989 |
18.00758 |
27.50341 |
299 |
48 |
0.17 |
| 1990 |
18.3706 |
27.36396 |
294 |
45 |
-0.12 |
| 1991 |
17.96976 |
27.05178 |
309 |
63 |
0.07 |
| 1992 |
17.95822 |
27.58992 |
322 |
60 |
0.29 |
| 1993 |
17.84281 |
27.99757 |
310 |
57 |
0.12 |
| 1994 |
18.57179 |
27.97479 |
309 |
43 |
0.56 |
| 1995 |
18.49688 |
27.11473 |
306 |
45 |
-0.01 |
| 1996 |
17.79264 |
27.46173 |
293 |
57 |
0.39 |
| 1997 |
17.65372 |
27.04273 |
310 |
57 |
-0.17 |
| 1998 |
18.47935 |
27.58827 |
297 |
47 |
0.27 |
| 1999 |
17.94246 |
27.58386 |
306 |
62 |
0.23 |
| 2000 |
17.5882 |
26.93691 |
302 |
49 |
0.04 |
| 2001 |
18.52515 |
26.75864 |
319 |
38 |
0.05 |
| 2002 |
18.08847 |
26.81604 |
297 |
55 |
-0.64 |
| 2003 |
18.72494 |
27.09882 |
306 |
43 |
0.14 |
| 2004 |
18.31746 |
27.09686 |
316 |
51 |
-0.01 |
| 2005 |
17.07721 |
27.37923 |
308 |
38 |
-0.62 |
| 2006 |
16.7209 |
27.09882 |
298 |
30 |
-0.99 |
| 2007 |
17.21196 |
26.24784 |
308 |
47 |
-1.05 |
| 2008 |
18.43071 |
27.30686 |
310 |
46 |
0 |
| 2009 |
17.43751 |
26.17157 |
303 |
53 |
-0.24 |
| 2010 |
17.39862 |
26.71555 |
313 |
42 |
-0.4 |
| 2011 |
16.74368 |
26.17913 |
307 |
42 |
-1.24 |
| 2012 |
17.82476 |
25.90133 |
313 |
51 |
-0.81 |
| 2013 |
18.21356 |
27.4959 |
306 |
37 |
0.2 |
The Year End Graph.
