10 



5 



0730 



N_ • 



O 



TEMPERATURE 



CO 







/ 







1 





/ 







1 







/ 





/ 



' 





/ 







0740 



0750 



0800 



0830 



LEGEND 



LOCATION A 



LOCATION B 



LOCATION C 



0830 



0840 0850 



HOUR (GMT) 



0900 



FIGURE 6 SAMPLE OF SINGLE-LEVEL THREE-STATION TEMPERATURE 

 RECORDING — 30 SEPTEMBER 1959 



