WHOLE VOL. 



LAT. 60° N. 



519 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 60° N. Long. 150° W. 

 950 mb. + 



Mean 55.0 54.3 56.6 57.7 58.8 61.1 63.5 63.3 58.8 51.8 53.0 51.9 57.2 



Lat. 60° N. Long. 140° W. 

 950 mb. + 



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



1929 07.6 05. 52.1 61.1 65.2 60.7 62.2 60.7 66.7 48.9 61.9 60.3 61.0 



1930 77.0 46.5 60.4 58.9 61.1 62.4 65.9 65.7 59.7 58.9 53.4 48.2 59.9 



1931 46.5 49.5 60.3 56.8 60.7 61.7 64.7 64.7 58.9 52.7 60.2 50.3 67.3 



1932 57.2 56.5 58.9 57.4 60.6 61.7 60.8 02.7 58.8 55.9 50.0 56.6 68.1 



1933 48.5 60.0 57.6 61.0 58.3 61.7 64.4 63.3 55.3 58.3 58.2 63.2 59.2 



1934 47.8 57.2 64.3 61.9 60.8 63.8 65.3 68.4 65.6 53.4 50.5 59.0 69.8 



1935 59.4 58.6 62.5 63.1 64.8 61.6 07. 1 64.1 63.9 64.5 63.6 49.3 61.9 



1936 57.4 66.4 60.8 62.5 61.9 63.6 61.5 65.8 63.4 59.8 58.2 53.3 61.2 



1937 74.1 52.6 58.7 55.0 61.3 61.6 64.9 61.4 64.5 54.6 56.6 59.4 60.4 



1938 55.9 60.5 52.0 59.8 61.9 63.2 66.8 68.0 57.7 51.9 58.1 55.1 59.2 



1939 51.3 62.0 57.8 61.3 60.9 65.0 



Mean 58.4 57.7 58.7 59.9 61.6 62.5 64.4 64.5 61.5 55.9 57.1 55.5 59.8 



Lat. 60° N. Long. 130° W. 

 950 mb. + 



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



1929 



63.9 67.7 62.4 64.4 62.9 68.9 56.8 



62.1 63.5 62.7 



61.1 63.7 62.4 

 62.6 62.7 63.5 



66.6 61.2 62.9 

 65.0 62.1 04.0 



66.8 66.8 62.2 



65.5 63.2 64.0 



57.7 62.4 62.0 



62.2 63.1 63.1 

 64.0 02.0 04. 6 



65.4 65.1 62.7 



64.7 65.7 61.4 

 61.3 62.4 62.4 

 64.3 63.9 57.8 



63.8 67.9 07.2 



65.6 64.3 65.3 



62.3 65.6 65.9 



65.4 61.5 66.1 

 05.3 65.5 59.0 



66.2 



Mean 65.7 65.2 64.2 63.4 63.5 63.1 64.3 64.5 63.7 61.2 63.4 63.5 63.8 



