59° 58° 57° 56° 55° 54° 53° 52° 51° 50° 49° 48° 47° 46° 45° 44 



59 ° 58° 57° 56° 55° 54° 53° 52' 



51° 50° 49° 48° 47° 46° 45° 44° 



Figure 12. — Ice conditions, May 1959. Figures indicate day of month ice was sighted or reported. 



