1902 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 

 WITH WINDS AND AIR TEMPERATURES. 



DECEMBER 23 \9OZ DECEMBER 



24- 



140' ISO" 160" 170' 180' 170' 160' ISO' 140 



I4O ISO" 160" 170 J80^ 170 160 ISO 140" 



40" 30 20* 10" O" 



30" 20 



190Z 



DECEMBER 



Z5 1902 



DECEMBER 



26 



140" ISO" 160" 170" 180" 170" 160" ISO" 



BO 



lid 



so" 20" 



30" 40" 



140" ISO' 160" 



;0" 20" $ 3 10" O" 10" 20 30 



For explanation see Key map 



