410 
DR. T. R. ROBINSON ON THE REDUCTION OE ANEMOGRAMS. 
Table I. — November. 
1857. 
1858. 
1859. 
1860. 
1861. 
1862. 
1863. 1 
s. 
Vel 
7'"46 
6-33 
12-81 
12'-20 
17'*47 
8'-73 
13-41 
Mean 11 '-25 
to 
Dir 
19° 
27° 
24° 
23° 
33° 
24° 
21° 
Mean 24° 
S.W. 
Hours... 
200 
92 
167 
83 
289 
302 
242 
Sum 1375 
s.w. 
Vel 
5-03 
5-49 
9'-22 
7'-52 
14-24 
9-12 
12-16 
Mean 8'*97 
to 
Dir....... 
72° 
65° 
66° 
66° 
68° 
60° 
65° 
Mean 66° 
W. 
Hours ... 
35 
63 
140 
79 
154 
122 
294 
Sum 887 
W. 
Vel 
4'-20 
7'-49 
5-91 
5'-81 
4'-25 
3-62 
9-05 
Mean 5 -73 
to 
Dir 
102° 
96° 
115° 
106° 
109° 
111° 
109° 
Mean 107° 
N.W. 
Hours... 
41 
63 
8/ 
11 
44 
35 
81 
Sum 362 
N.W. 
Vel 
3-56 
2'-32 
4-69 
4'- 1 5 
4'-77 
1 '-87 
1 11-66 
1 Mean 4'72 
to 
Dir 
143° 
151° 
153° 
154° 
159° 
159° 
157° 
Mean 154° 
N. 
Hours ... 
38 
73 
42 
2 
119 
16 
1 9 
Sum 299 
N. 
Vel 
4'-46 
1 6'-32 
5'-44 
7 '*84 
3-54 
3-25 
8'-52 
Mean 5'-62 
to 
Dir 
199° 
215° 
212° 
214° 
187° 
204° 
202° 
Mean 205° 
N.E. 
Hours ... 
48 
28 
38 
87 
46 
31 
21 
Sum 299 
N.E. 
Vel 
~6'-26 
8'-45 
4'-38 
8'-78 
11-25 
4'-48 
| 13'-22 
Mean 8'-12 
to 
Dir 
257° 
248° 
255° 
246° 
242° 
246° 
258° 
Mean 250° 
E. 
Hours . . . 
107 
220 
31 
231 
4 
27 
1 9 
| Sum 629 
E. 
Vel 
6'-48 
8'-48 
12-31 
To' *9 3 
9'-66 
6'-51 
} 5'-20 
Mean 8'-48 
to 
Dir 
299° 
283° 
277° 
292° 
288° 
293° 
294° 
Mean 289° 
S.E. 
Hours ... 
87 
131 
79 
130 
6 
47 
10 
Sum 490 
S.E. 
Vel 
6'-86 
15-05 
1 4*41 
7 *93 
6'-04 
10-48 
1 13-58 
Mean 10'-62 
to 
Dir 
329° 
339° 
337° 
344° 
335° 
342° 
340° 
Mean 338° 
s. 
Hours ... 
44 
39 
^99 
46 
23 
127 
51 
Sum 429 
Maximum 
26' 
36" 
37' 
29* 
75' 
37' 
34' 
[ 
Hours > 25' 
6 
9' 
19 
5 
90 
19 
30 
Sum 178 
Hours of 0 
43 
80 
37 
9 
13 
54 
1 
! Sum 237 
Table I. — December. 
S. 
Vel 
26-1 1 
l6'-68 
13-35 
6'-78 
18'*18 
21'-98 
l6'-52 
Mean 17*08 
to 
Dir 
25° 
26° 
28° 
15° 
20° 
27° 
37° 
Mean 25° 
S.W. 
Hours ... 
210 
230 
258 
116 
121 
254 
153 
Sum 1342 
S.W. 
Vel 
ll'-04 
11*91 
8*41 
3'-06 
8'-84 
14-13 1 
14-40 
Mean 10'-20 
to 
Dir 
69° 
69° 
64° 
60° 
64° 
62° 
62° 
Mean 64° 
w. 
Hours... 
175 
233 
167 
78 
182 
177 
335 
Sum 1367 
w. 
Vel. 
35'-70 
1 0' *98 
2'-92 
2'-20 
5'-44 
16*33 l 
12*71 
Mean 12-21 
to 
Dir 
95° 
104° 
113° 
114° 
107° 
109° 1 
105° 
Mean 107° 
N.W. 
Hours ... 
12 
56 
26 
128 
43 
90 1 
135 
Sum 490 
N.W. 
Vel 
O' 
2*66 
3-38 
3'-20 
4'-04 
13'-96 I 
8’-59 
Mean 5'-09 
to 
Dir 
151° 
157° 
159° 
154° 
154° 1 
155° 
Mean 155° 
N. 
Hours ... 
3 
116 
38 
43 
62 
32 
Sum 294 
ISL 
Vel 
"o' 
0' 
2-11 
2'-37 
4'-38 
0' 
2'-00 
Mean l'-55 
to 
Dir 
203° 
223° 
212° 
212° 
Mean 212° 
N.E. 
Hours ... 
36 
59 
31 
1 
Sum 127 
N.E. 
Vel 
12'-04 
0' 
4'-29 
5-40 
3-67 
12-55 
3-50 
Mean 5'-80 
to 
Dir 
254° 
251° 
255° 
258° 
261° 
242° 
Mean 254° 
E. 
Hours ... 
3 
17 
62 
56 
18 
2 
Sum 158 
E. 
Vel 
0' 
17 *20 ~ 
14'-97 
10*15 
6-86 
14'-26 
12'-63 
Mean 10'-84 
to 
Dir 
303° 
295° 
294° 
294° 
K) 
CD 
O 
0 
295° 
Mean 295° 
S.E. 
Hours . . . 
5 
37 
109 
61 
64 
36 
Sum 312 
S.E. 
Vel 
22'-26 
21-95 
14'-54 
12'-87 
14'-24 
21'-68 
18*96 
Mean 18'-07 
to 
Dir 
342° 
332° 
334° 
326° 
344° 
340° 
343° 
Mean 337° 
S. 
Hours ... 
82 
205 
84 
127 
177 
57 
28 
Sum 760 
Maximum 
42' 
48' 
45' 
38'-8 
40' 
45' 
50' 
Hours > 25' 
81 
102 
40 
15 
56 
106 
94 
Sum 494 
Hours of 0 
1 
2 
60 
56 
41 
0 
0 
Sum 160 
