296 
Transactions of the Boy at Society of South Africa. 
TABLE 3. 
Wind Frequency in Hours for each Quarter of the Year. 
Jan. to March. 
April to June. 
July to Sept. 
Oct. to Dec. 
Year. 
N. ... 
35 
141 
212 
95 
483 
N.N.E. 
47 
104 
114 
97 
362 
N.E. ... 
42 
89 
185 
269 
585 
B.N.E. 
278 
190 
199 
228 
895 
E 
233 
93 
110 
165 
601 
E.S.E. 
258 
117 
90 
187 
652 
S.E. ... 
106 
54 
63 
128 
351 
S.S.E.... 
242 
124 
105 
183 
654 
S. ... 
41 
45 
107 
244 
437 
s.s.w. 
414 
266 
198 
229 
1,107 
s.w. ... 
201 
270 
228 
53 
752 
w.s.w. 
67 
122 
80 
18 
287 
w. 
9 
43 
41 
37 
130 
W.N.W. 
71 
102 
87 
61 
321 
N.W. ... 
44 
84 
138 
82 
348 
N.N.W. 
72 
340 
251 
128 
791 
The numbers of Table 3 give the following North and East Com- 
ponents of direction, Kimberley values for 1910 being added for 
comparison : — 
TABLE 4. 
Wind Direction Components. 
LourenQO Marques. 
Kimberley. 
1910. 
N. 
E. 
N. 
E. 
-643 
+ 448 
+ 321 
+ 394 
+ 59 
-167 
+ 209 
+ 416 
+ 234 
+ 10 
- 44 
+ 429 
October to December 
-169 
+ 594 
- 27 
+ 191 
+ 519 
+ 885 
+ 459 
+ 1,430 
