WHOLE VOL. 



LAT. 



70° 



507 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 70° N. Long. 150° W. 

 950 mb. + 



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



1929 



G7.2 (.4.9 03..-) 61.7 05.6 53.7 66.2 07.1 



61.6 61.0 62.3 



59.8 64.1 62.3 



63.5 63.6 57.2 



59.2 56.7 01.2 



60.8 66.0 05.9 



01.3 62.7 61.9 



58.9 60.5 64.7 

 61.0 58.8 59.4 

 60.2 60.2 54.2 



66.9 60.1 57.7 



56.9 62.9 60.2 



62.2 70.0 63.7 

 64.0 68.6 77.6 

 55.0 61.8 64.2 



00.3 70.0 09.1 



63.0 65.8 01.9 



60.3 64.5 73.9 

 53.0 58.9 60.4 



61.0 61.5 61.5 59.5 65.6 65.6 



Year 



65.9 



65.0 

 64.4 

 66.0 

 65.8 

 63.7 



66.3 

 65.5 

 63.6 

 61.0 



64.7 



Lat. 70° N. Long. 140° W. 

 950 mb. + 



Date Jan. Feb. 



Mar. 



Apr. May June July Aug. Sept. Oct. Nov. Dec. Year 



1929 



05.3 07.6 65.3 62.5 61.7 66.6 53.6 67.6 68.2 



62.3 61.0 62.6 



59.8 63.5 61.8 



62.2 61.8 57.8 



59.8 57.9 60.5 



60.0 65.8 66.9 



61.1 61.5 62.0 

 58.0 00.8 65.5 

 61. 7 58.9 60.2 



60.9 60.4 54.2 



61.0 61.3 61. 



60.7 66.6 66.5 65.3 



Lat. 70° N. Long. 130' 

 950 mb. + 



W. 



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



1929 80.1 73.0 67.4 66.6 68.9 00.9 62.0 62.3 67.6 54.7 69.4 69.0 



1930 77.5 05.9 



1931 66.1 64.6 



1932 70.9 60.1 



1933 62.7 75.0 



1934 67.2 68.5 



1936 70.9 64.8 



1936 73.8 81.6 



1937 68.3 65.0 



1938 66.7 75.2 



1939 00.9 73.8 



02.5 61.3 63.3 



59.8 62.6 61.7 

 62.0 60.5 58.1 



60.3 58.9 61.1 

 61. S 65.7 67.6 



01.9 60.1 02.5 

 58.8 01.0 00.3 



62.4 59.4 61.6 

 00.9 00.5 55.5 



66.5 



Mean 70.1 70.3 72.1 69.0 66.3 63.8 61.2 61.2 62.5 62.1 67.6 67.0 



66.1 



