WHOLE VOL. 



LAT, 50 N. 



535 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 50° N. Long. 30° W. 



950 mb. 4- 



1929 65.4 56.7 66.3 65.2 63.1 65.2 67.9 68.1 68.7 64.9 61.1 51.1 



62.8 



Mean 60.2 65.1 59.8 64.6 65.1 66.4 67.2 67.8 65.2 66.6 60.5 59.3 63.9 



Lat. 50° N. Long. 10° W. 

 950 mb. + 



IS 



