59° 58° 57° 56° 55 



53° 52° 51° 50° 49° 48° 47° 46° 45° 44° 43° 



59° 58° 57° 56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 45° 



Figure 10. — Ice conditions. May 1956. Figures indicate day of month ice was sighted or reported. 



