WHOLE VOL. 



LAX. 60° N. 



523 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 60° N. Long. 30° W. 



950 mb. + 



Mean 49.7 57.2 56.3 61.9 62.2 61.2 58.7 59.1 58.0 53.4 50.5 48.9 



56.4 



Lat. 60° N. Long. 10"^ 

 950 mb. + 



W. 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Year 



1929 



1935 

 1936 

 1937 

 1938 

 1939 



73.4 



1930 38.6 



1981 55.5 



1932 49.5 



1933 54.2 



1934 49.8 



68.0 

 47.9 

 43.6 

 46.2 

 53.8 



68.7 

 50.8 

 83.7 

 62.2 

 70.3 



44.6 

 55.7 

 45.1 

 67.9 

 19.0 



70.5 



55.6 

 64.4 

 60.1 

 51.8 

 50.8 



62.5 

 56.8 

 60.7 

 56.1 

 61.6 



68.3 61.5 



60.1 

 66.0 

 57.3 

 73.4 

 60.2 



74.1 

 68.7 

 61.2 

 63.2 



67.3 



61.6 02. 



61.3 61.6 57.8 



58.3 58.7 62.7 



54.8 64.7 07.1 



64.3 64.0 60.7 



60.0 60.1 67.4 



57.3 

 63.2 

 62.1 

 57.1 



64.2 



59.2 

 53.5 

 57.4 

 60.2 

 61.2 



58.2 



56.3 

 65.3 

 63.7 

 57.8 

 53.6 



58.7 



63.8 

 70.6 

 56.6 

 67.3 

 50.7 



61.4 60.2 51.9 



55.3 61.5 64.0 



60.1 63.7 54.9 



57.8 65.9 59.8 



49.5 



47.9 

 60.7 

 51.1 

 60.1 

 51.5 



47.8 

 59.0 

 60.5 

 45.1 



42.3 37.0 



52.4 

 44.5 

 57.6 

 62.8 

 62.3 



48.7 

 60.2 

 54.6 

 67.0 

 42.9 



45.5 50.2 

 55.1 49.1 

 63.8 60.8 



42.6 50.3 



Mean 52.8 59.7 59.2 62.2 64.1 61.9 58.9 60.6 69.8 53.3 52.9 52.1 



58.5 



56.0 

 58.8 

 60.1 

 61.0 



56.7 



57.0 

 58.6 

 57.9 

 57.1 



58.1 



