Antarctic Sea Ice Extent for September 2012 averaged 19.1702 million sq km.
That is the highest September average of ALL TIME!!!! (during the satellite era).
| Year | Average for September (million sq km) |
| 2012 | 19.1702 |
| 2006 | 19.0932 |
| 2009 | 18.9596 |
| 2004 | 18.9184 |
| 1998 | 18.9027 |
| 2000 | 18.8872 |
| 2007 | 18.8599 |
| 1980 | 18.817 |
| 2005 | 18.8036 |
| 2010 | 18.7979 |
| 1985 | 18.7061 |
| 1999 | 18.6957 |
| 2011 | 18.6937 |
| 1996 | 18.6308 |
| 1994 | 18.6144 |
| 1981 | 18.5972 |
| 1997 | 18.5955 |
| 1983 | 18.5864 |
| 1993 | 18.5438 |
| 1995 | 18.4147 |
| 1982 | 18.3555 |
| 1991 | 18.3121 |
| 1988 | 18.3064 |
| 2003 | 18.299 |
| 1987 | 18.2454 |
| 1979 | 18.1968 |
| 1990 | 18.1924 |
| 2001 | 18.1742 |
| 1984 | 18.166 |
| 1992 | 18.1474 |
| 2008 | 18.1443 |
| 1989 | 18.1194 |
| 2002 | 17.8866 |
| 1986 | 17.6925 |
sunshine hours 
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Damn! The Antarctic sea ice area has collapsed by 700,000km2 in a week or so!. What caused that brief.spectacular spike? Was the ice actually in the process of being torn apart by wind stresses,spread at lower concentration over a larger area to create impression of growth/ the spike,and now it’s become a combination of partly recompacted and further dispersed to below detection threshold?
460,000 sq km in two weeks.
It wasn’t a brief spike. It was over 19,000,000 for 25 days in a row.
It is now 13 days past 2012’s peak. 2012 has the 10th lowest drop after 13 days.
In 2009, the drop was 600,000 sq km from maximum in 13 days.
It’s kinda interesting how it jumped up and down in a month a couple of times towards winter’s end…what process are we seeing there? Seems like most years show a lot of fast fluctuations particularly towards the end of the expansion. This year,most of the time since last minimum, while consistently above the mean,it’s mainly been by only a few percent. Any surges have only been to less than 10% above the mean.
I’d start getting serious if the summer minima were consistently 10% and more above the mean.