200 



JUNGLE ISLAND 



a month; but during the remainder of the year there 

 is much more, and November alone averages a greater 

 number of inches of rainfall there than Denver has 

 in a whole year. Rains yielding as much as six inches 

 of water are rare, but occasionally eight inches of rain 

 or more may fall in a single day. 



Difference between Tropical and Temperate Climates 



Stations 



Record Temperatures 



Average 



July 

 Temp. 



Mobile 



Denver 



Washington 



Key West 



Chicago 



New York 



New Orleans .... 



St. Louis 



Boston 



San Francisco . . . 



Oklahoma 



Charlestown, S.C 



Galveston 



Norfolk 



Colon, R.P 



80 

 72 



77 

 84 



72 



74 

 81 



79 



71 



57 

 80 



81 



83 

 78 

 80 



Any Month 



Highest Lowest 



102 



105 

 104 

 100 

 103 

 100 

 102 

 107 

 104 

 lOI 

 108 

 104 



99 

 102 



93 



— I 



-29 



-15 



41 



-23 



-13 



7 



— 22 



-14 

 29 



-17 



7 



8 



2 



66 



Average 



Annual 



Relative 



Humidity 



79 



52 

 72 

 78 



74 

 72 

 78 

 70 

 72 

 80 

 70 



78 

 81 



84 



Average 



Annual 



Rainfall 



62 .0 

 14.0 

 43-5 

 38.7 

 33-3 

 44.6 



57-4 

 37-2 



43-4 

 22.3 



317 

 52.1 



47-1 



49-5 

 127.8 



Humidity. Even during the driest times of the year 

 the humidity is so high that one must keep an electric 

 light bulb burning continually in each closet to dry 

 out and keep from mold the clothes and shoes stored 

 there. A cloudless day is rare in the dry season, 

 and in the rainy season the sky is overcast more than 

 half the time. 



Variety of climate in Canal Zone. However, one 

 must not conclude that there is only one tropical 



