512 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



1929 



SEA-LEVEL PRESSURE AT 10° 

 Lat. 70° N. Long 

 950 mb. + 



INTERSECTIONS 

 0° 



71.4 57.2 



59.9 57.3 54.5 48.2 



68.4 



Mean 51.4 54.5 58.3 61.2 66.1 61.5 60.8 60.6 59.1 50.6 53.5 54.6 67.7 



Lat. 70° N. Long. 20° E. 

 950 mb. + 



