THE SHIFTING OF CLIMATIC ZONES. 



199 



130" 125' I20' 115' no' 105* 100* 95* 9? 85^ 80' 75* 70* 65* 60' SS' 



lis 110 105 100 95 90" 85* 80' 75' 



Fig. 62. — Storm Frequency. November. 



130 125 l?0 115 110 105 100 95 90 85 80 75 70 65 60 55 



115* 110' 105' 100* 95° 90* 85* 80* 75* 



Fig. 63.— Storm Frequency. December. 



