168 Transactions of the South African Philosophical Society. 



TABLE 5. 



Mean Temperature of the Am on Clear Days. 





Jan. 



Feb. 



Mar. 



Apr. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year, 













o 



o 











o 



o 







o 



o 



o 



o 



Midnight. 



65-5 



66-5 



62-1 



54-6 



46-7 



41-8 



40-3 



46 



•3 



51-2 



55 



•5 



60-0 



66 







54-7 



I 



64-3 



65 -0 



60-6 



53-5 



45-6 



40-7 



39 ■! 



45 



•0 



49-8 



54 



•3 



58-1 



64 



•1 



53-4 



II 



62-8 



63-4 



59-4 



52-5 



44-4 



39-4 



38-0 



43 



•9 



48-0 



52 



4 



56-5 



62 



•7 



52-0 



Ill 



61-8 



62-3 



58-6 



51-4 



43-7 



38-4 



37-2 



42 



•7 



46-7 



51 







55-2 



61 







50-8 



IV 



60-5 



61-3 



57-7 



50-4 



42-8 



37-5 



36-3 



41 



•6 



45-5 



49 



•9 



53-9 



59 



•7 



49-7 



V 



59-2 



60-4 



56-6 



49-5 



42-0 



36-7 



35-5 



40 



•8 



44-5 



48 



•6 



52-6 



58 



3 



48-7 



VI 



60-0 



60-0 



55-8 



48-6 



41-3 



36-1 



35-0 



39 



•8 



43-6 



49 



•4 



55-0 



60 



5 



48-8 



VII 



65-1 



64-1 



58-0 



48-8 



40-6 



35-3 



34-2 



39 



•8 



46-5 



55 



•3 



61-5 



66 







51-3 



VIII 



70-5 



70-3 



65-1 



55-6 



46-0 



40-3 



39-0 



47 



7 



56-6 



62 



8 



68-0 



71 



7 



57-8 



IX 



75-0 



75-5 



71-1 



62-2 



54-3 



48-7 



47-8 



55 



•7 



63-0 



67 



8 



72-6 



76 



1 



64-2 



X 



79-2 



80-0 



75-5 



67-0 



59-7 



54-7 



53-8 



61 



3 



68-2 



71 



9 



76-5 



80 



1 



69-0 



XI 



82-7 



83-6 



78-9 



70-7 



63-4 



59-0 



58-4 



65 



•5 



71-9 



75 



1 



79-7 



83 



4 



72-7 



Noon. ... 



85-2 



86-1 



81-4 



72-9 



66-0 



61-6 



61-6 



68 



•7 



74-8 



77 



4 



81-7 



86 







75-3 



XIII 



87-1 



88-3 



83-4 



74-7 



67-9 



03-5 



63-9 



71 







77-0 



79 



6 



83-5 



87 



7 



77-3 



XIV 



88-5 



89-6 



84-4 



75-6 



68-8 



64-4 



65-1 



72 



1 



78-1 



80 



7 



84-7 



88 



8 



78-4 



XV 



89-4 



90-4 



84-9 



75-9 



68-9 



64-6 



65-4 



72 



6 



78-4 



81 







85-1 



89 



3 



78-8 



XVI 



89-3 



90-1 



84-4 



75-4 



67-7 



62-9 



64-4 



71 



4 



77-3 



80- 



3 



84-4 



89 







78-0 



XVII. ... 



87-6 



88-3 



81-8 



70-9 



61-4 



56-1 



58-4 



66 



9 



74-4 



77 



8 



82-6 



87 



5 



74-5 



XVIII. ... 



85-2 



85-2 



76-2 



64-0 



55-4 



50-6 



51-7 



59 



1 



67-2 



72 



6 



78-6 



84 



2 



69-2 



XIX 



79-5 



78-8 



70-9 



61-2 



52-8 



48-1 



48-7 



55 



5 



62-2 



67 



3 



72-9 



78 



8 



64-7 



XX 



75-5 



74-7 



68-7 



59-6 



51-0 



46-4 



47-0 



53 



2 



59-4 



64 



6 



69-8 



74 



9 



62-1 



XXI 



73-2 



72-4 



66-6 



57-9 



49-4 



44-9 



45-1 



51 



2 



56-8 



62 



4 



67-6 



72- 



3 



60-0 



XXII. ... 



71-4 



70-5 



65-1 



56-8 



48-0 



43-8 



43-2 



49 



5 



55-0 



60- 



7 



65-5 



70 



3 



58-3 



XXIII. ... 



69-7 



69-3 



64-0 

 69-7 



55-7 

 61-1 



47-2 



42-8 



41-9 



48-3 



53-7 



60-4 



58-6 



63-6 



68-5 



56-9 



Mean. ... 



74-5 



74-9 



53-1 



48-2 



48-0 



54-6 



64-9 



69-6 



74-4 



62-8 



Min 



58-2 



59-2 



55-2 



47-9 



39-8 



34-7 



33-6 



38-6 



42-8 



47-3 



51-8 



57-6 



47-2 



Max 



90-4 



91-4 



85-7 



76-6 



69-6 



65-7 



65-8 



730 



79-1 



82-5 



86-2 



90-3 



79-7 



TABLE 5a. 



Mean Temperature of the Air on Cloudy Days. 



Min. 

 Max. 



62-9 



63-0 



59-7 



53-7 



43-9 



39-7 



38-7 



41-5 



49-0 



52-1 



57-6 



61-8 



88-7 



88-8 



82-6 



76-9 



69-2 



65-0 



62-0 



70-3 



79-6 



79-9 



87-6 



89-3 



52-0 



78-4 



