192 Transactions of the South African Philosojohical Society. 



TABLE 37. 



Some Harmonic Constants in the Diurnal Curve of 



Wind-Direction. 





North Component. 



East Component. 





Clear Days. 



Cloudy Days. 



All Days. 



Clear Days. 



Cloudy Days. 



All Days. 



Ih ... 



- 130-495 



- 173-455 



- 304-091 



- 222-094 



- 338-764 



- 560-837 



q, ... 



+ 39-652 



+ 90-460 



+ 130-003 



- 96-321 



- 143-586 



- 239-755 



2^2 ... 



+ 52-713 



+ 47-075 



+ 99-758 



+ 70-214 



+ 80-327 



+ 150-511 



<72 ... 



- 32-210 



- 50-627 



- 82-929 



+ 65-004 



+ 8-883 



+ 73-774 



iJ. ... 



+ 9-336 



+ 10-584 



+ 19-851 



+ 7-495 



+ 3-451 



+ 10-921 



^3 - 



+ 10-431 



+ 21-970 



+ 32-401 



+ 27-073 



+ 8-617 



+ 36-031 



V, ... 



279° 34' 



290° 3' 



285° 39' 



239° 3' 



239° 32' 



239° 21' 



V. ... 



106 26 



122 24 



114 44 



32 12 



68 41 



48 53 



V3... 



19 20 



3 12 



9 



352 59 



359 18 



354 22 



u, ... 



136-358 



195-665 



330-712 



242-091 



346-219 



609-937 



U-, ... 



67-796 



69-534 



129-724 



95-699 



80-812 



167-607 



n, ... 



13-447 



24-404 



37-999 



28-071 



9-302 



37-659 



< ... 



86-451 



80-810 



82-678 



153-486 



142-988 



152-484 



u\ ... 



39-179 



28-718 



32-431 



60-673 



33-375 



41-902 



u\ ... 



8-525 



10-079 



9-500 



17-797 



3-842 



9-415 



TABLE 38. 

 Mean Hourly Wind- Velocity, 1898-1901, in Miles per Hour. 



For the 





























hour 



Jan. 



Feb. 



Mar. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 



Nov. 



Dec. 



Year. 



ending 





























I 



5-4 



5-8 



4-6 



4-0 



4-4 



4-7 



4-6 



4-8 



5-2 



5-7 



5-4 



5-1 



5-0 



II 



5 



5 



5 



5 



4 



4 



3 



9 



4 



2 



4 



4 



4 



4 



4 



6 



5 



1 



5 



5 



5 



2 



5 



6 



4 



9 



Ill 



5 



5 



5 



6 



4 



2 



3 



7 



4 



1 



4 



2 



4 







4 



5 



4 



9 



5 



1 



5 







5 



2 



4 



7 



IV 



5 



3 



6 







4 



1 



3 



4 



4 



1 



3 



9 



3 



9 



4 



3 



4 



6 



5 



2 



5 







4 



9 



4 



6 



V 



5 







5 



9 



3 



9 



3 



3 



4 







3 



8 



3 



9 



4 



2 



4 



4 



4 



9 



4 



7 



4 



7 



4 



4 



VI 



5 



1 



5 



8 



3 



7 



3 



1 



3 



9 



3 



9 



3 



7 



4 



2 



4 



5 



5 







4 



7 



4 



9 



4 



4 



VII 



5 



9 



6 



9 



4 







3 



2 



3 



8 



3 



7 



3 



6 



4 



2 



4 



7 



5 



9 



5 



8 



6 







4 



8 



VIII. ... 



7 



4 



7 



6 



4 



9 



3 



7 



3 



7 



3 



5 



3 



5 



4 



2 



5 



7 



7 



7 



7 



1 



7 



2 5 



5 



IX 



7 



9 



8 



1 



6 



2 



5 



1 



5 



1 



4 



5 



4 



4 



5 



6 



7 







8 



2 



7 



6 



7 



5 6 



5 



X 



8 



1 



8 



4 



6 



6 



6 



1 



6 



4 



5 



7 



6 



2 



7 







8 







8 



3 



8 



1 



7 



6 



7 



2 



XI 



8 



2 



8 







6 



9 



6 



4 



7 







6 



2 



6 



8 



7 



5 



8 



4 



8 



7 



8 



2 



7 



7 



7 



6 



Noon. ... 



8 



2 



7 



6 



6 



9 



6 



7 



7 



4 



6 



5 



7 



3 



7 



7 



9 







9 



3 



8 



3 



7 



8 



7 



7 



XIII. ... 



8 



4 



7 



3 



6 



8 



6 



6 



7 



6 



6 



5 



7 



4 



7 



6 



9 



1 



9 



4 



8 



7 



8 







7 



8 



XIV. ... 



8 



5 



7 



1 



6 



7 



6 



3 



7 



2 



6 



3 



7 



3 



7 



5 



9 



1 



9 



6 



8 



9 



8 



3 



7 



7 



XV 



8 



9 



7 



2 



6 



7 



6 



1 



7 



1 



5 



8 



7 







7 



1 



9 



1 



9 



6 



9 



3 



8 



4 



7 



7 



XVI. ... 



8 



8 



7 







6 



5 



5 



3 



6 



6 



5 



3 



6 



4 



6 



6 



8 



7 



9 



4 



9 



1 



8 



8 



7 



3 



XVII. ... 



8 



7 



7 







6 







4 



6 



5 



1 



4 







5 







5 



7 



7 



7 



9 







9 



3 



8 



5 



6 



7 



XVIII.... 



8 



3 



7 







5 



3 



3 



7 



3 



5 



3 



4 



3 



9 



4 



1 



6 



2 



7 



9 



8 



6 



7 



9 



5 



8 



XIX. ... 



7 



6 



6 



2 



4 



3 



3 



7 



3 



7 



3 



9 



4 



5 



4 







5 



2 



6 



2 



6 



7 



6 



7 



5 



2 



XX 



6 



2 



5 



6 



4 



3 



4 



2 



4 



6 



4 



4 



5 







4 



4 



5 



3 



6 







6 







5 



8 



5 



2 



XXI. ... 



5 



8 



5 



3 



4 



5 



4 



5 



4 



8 



4 



4 



5 



3 



5 



2 



5 



4 



6 







6 



1 



5 



7 



5 



3 



XXII. ... 



5 



7 



5 



2 



4 



() 



4 



6 



5 







4 



8 



5 



1 



4 



9 



5 



1 



5 



9 



6 







5 



7 



5 



2 



XXIII.... 



5 



6 



5 



5 



4 



6 



4 



3 



5 



2 



5 







4 



8 



4 



9 



5 



6 



5 



8 



5 



9 



5 



5 



5 



2 



Midnight. 



5-5 



5-7 



4.7 



4-2 



4-9 



4-9 



4-7 



4-9 



5-6 



5-7 



5-7 



5-5 



5-2 



Month... 



6-9 



6-6 



5-2 



4-6 



5-1 



4-8 



5-1 



5-4 



6-4 



7-2 



6-9 



6-6 



5-9 



