So far this year, Antarctic Sea Ice Extent has been a record for the day on 21 days.

19 of the last 22 days have been a record for the day, including day 265 which broke the all time record and day 266 which broke the record again.

The list below is the Day and the record amount of sea ice extent for the day.

Day million sq km 
-----------------
 33 4.17789 
 34 4.10773 
253 19.07485 
254 19.20215 
255 19.26022 
256 19.28323 
257 19.35567 
258 19.31503 
259 19.33522 
260 19.28461 
262 19.27106 
265 19.36135 
266 19.45418 
267 19.44631 
268 19.4478 
269 19.41601 
270 19.4433 
271 19.35207 
272 19.30199 
273 19.2408 
274 19.1961