ANNUAL VARIATION. 



83 



The great dependency of temperature on wind during the winter has already been pointed 

 out, and this is again shown in the mean monthly values of temperature and wind. The 

 following are typical cases : — 



Table 44. 



Tempemture and Wind : McMnrdo Sound. 



Annual Variation op Temperature. 



The following table contains the mean monthly temperatures in the Ross Sea area derived 

 from the data described on pp. 79-81. The values are plotted on figure 28. 



Table 45. ; 



Mean Monthly Temperatures. (°F.) 



