I90E 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON G.M.T. 



WITH WINDS AND AIR TEMPERATURES. 

 DECEMBER 19 I9OE DECEMBER 



170- I80T 170- 160- 



40 30' 20 10* O' 10' 20 30' 40' 



30' 20' 10* 0' 10' 20' 3O' 40' 



1902 



DECEMBER 



21 1902 



DECE M B ER 



zz 



140 150 160 170 160^ 170 160 150 



3O* 20* 10* O* 1 " 20* 30* 



150] 



SO' ZO 10' O* IO* 20' 3O* 



For explana/tion see Key map. 



