-<^ 



-ICO 



-95 V -i; 



-116 



j-^M-^ 



t 



-126 



^5 



/ 



Vi. 

 -125 



^' 



^1 



S3 



r1 



EFFECTIVE BACK 



RADIATION (Q|j) 



cal /cm^/day 



NOVEMBER 

 1961 -1971 MEAN 



-123 



-125- 



-123 -125 



/ 

 -125 



■^ 



BO"W, ITS W 170 W 165 W 160 W 155 * r50 W 145 W I40 W (35 W 130 W 125 W 120 W Il5 V 



EFFECTIVE BACK 



RADIATION (Qj,) 



cal /cm^/day 



DECEMBER 

 1961- 1971 MEAN 



180°* 175 W 170 W (65 W I60 W 155 W 1 50 W 145 W 140 W I35 W I30 W i25 W 120 W 1 15 W 



96 



