WHOLE VOL. 



LAT. 70 



517 



SEA-LEVEL PRESSURE AT 10° INTERSECTIONS 



Lat. 70° N. Long. 150° E. 



950 mb. + 



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



1929 



79.4 79.5 



G6.6 



64.4 62.6 63.6 62.1 62.2 66.9 



65.2 



1930 67.8 74.5 



1931 78.1 76.0 



1932 65.6 77.2 



1933 69.1 84.8 



1934 76.8 67.9 



1935 69.0 62.0 



1936 83.5 82.7 



1937 63.6 64.5 



1938 72.9 69.3 



1939 82.1 



71.8 71.7 68.0 



71.8 67.6 66.0 

 64.0 65.0 66.2 

 69.0 72.6 67.5 

 71.0 72.7 68.1 

 69.2 68.1 66.2 



73.2 71.7 66.1 



75.6 64.2 69.0 



65.9 70.7 63.5 

 70.8 75.4 



Mean 73.4 73.8 71.1 65.9 65.1 60.4 59.8 61.0 65.8 64.0 70.2 70.0 66.7 



Lat. 70° N. Long. 160° E. 

 950 mb. + 



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



65.6 63.3 64.7 



66.7 65.0 60.0 

 67.3 63.5 



65.8 71.2 67.2 

 67.6 65.6 63.1 

 65.6 61.5 56.0 



76.4 69.4 62.7 



67.6 65.6 56.0 



63.9 65.8 57.5 



63.0 



61.9 64.4 62.5 



62.4 61.1 66.5 



56.2 61.4 67.5 



58.6 61.6 66.2 



62.3 62.9 62.3 

 68.9 



64.7 63.5 69.4 



59.2 60.9 63.2 



61.4 61.7 70.9 

 58.9 58.4 63.0 



61.6 



64.2 



fl.O 



6S.7 



67.7 



66.4 65.9 61.3 60.5 61.5 66.4 



64.2 



69.6 68.1 66.7 



Lat. 70° N. Long. 170° E. 

 950 mb. + 



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



1929 



75.6 68.3 65.9 64.3 65.3 63.5 



66.9 65.5 62.1 56.5 



66.9 64.3 60.0 



65.8 71.1 68.6 63.1 

 68.3 66.8 63.7 



66.6 61.6 57.2 65.1 



77.1 69.9 63.9 59.9 



68.1 66.2 58.5 60.7 



64.9 66.5 58.9 59.7 



62.3 



01.8 ■ 65.9 C3.6 



Mean 70.6 71.8 71.3 66.8 66.5 62.6 61.1 61.6 66.2 63.6 68.9 66.3 66.4 



