Figure 14. — Weather diagram, first cruise 



MARCH 27 TO APRIL 4, 1931 



Maximum air temperature, 52° F. 



Minimum air temperature, 21° F. 



Mean air temperature, 32.6° F. 



Visibility was less than 4 miles, 31.5 per cent of the time. 



VisibUity was less than 2 miles, 13.6 per cent of the time. 



Figure 14 shows the meteorological graph. 



Figure 12 shows the track of the vessel. 



Figure 15. — Weather diagram, second cruise 



