PART II 



OCEAN AND SEA-LEVEL PRESSURES 



ATMOSPHERIC PRESSURES OVER THE NORTHERN OCEANS 



AND SEA-LEVEL PRESSURES AT SELECTED 



LAND STATIONS, 



1921-1930 



ARRANGED BY GRAND DIVISIONS FROM WEST TO EAST AND BY 

 STATIONS FROM NORTH TO SOUTH 



(Pressure Is Corrected for Temperature and Gravity, and Is Expressed in Millimeters.) 



