50 



BJ0RN HELLAND-HANSEN 



[rep. of the "MICHAEL SARS" NORTH 



THOR r905 



" 1906 



" 1909 



• MICHAEL SARS 1910 



"• FRITHJOF 1910 



rTHOR 1910 



» DEUTSCHLAND 1911 



X ARMAUER HANSEN 1913 



4- ■>■> ••■1914 



o' '5 ••••1922 



V CINCO DE OUTUBRO- 1923 



30° 

 30" W. 25" 20" 15" 10- 5" 



Fig. 11. Chart showing the stations Willi serial observations used by the analysis of the seasonal variations of temperature. 

 The numbers represent the dates when the observations were made, counted from 1 (January 1st) to 365 (December 31st). 



