I9OI 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 DECEMBER 16 1901 DECE.MBE.R 



I4O" ISO" 160 170 180 170 160 150 



140* ISO* 1*0* 170* :0' 170* 160' 'SO' 



30' 20' 10' 0' 10' 2O' 30' 



30' 20' "TO' O' 10' 20' 30' 



1901 



D ECE.MBER 



18 I9OI 



DECEMBER 



18 



140* ISO* J60* 170* <r 180* 170* 160* ISO* 



3O' 20* 10! 0' 



20* 30' 40 



ISO* 160* 170* .. 180* 170* \Stf ISO* 140* 



30' 20' 10' 0* 10* 20* 30' 40' 



For explana-tion see Key m.p 



