412 PROF. G. B. AIRY ON THE RELATION OF THE WIND TO THE MOON. 
Table exhibiting the number of hours during which the wind blew in each of sixteen 
equal divisions of the azimuthal circle, and also the number of hours of sensible 
calm, in the period extending (with very small interruptions) from 1840 November 
to 1847 December; from the records of Osler’s Self-registering Anemometer at 
the Royal Observatory, Greenwich : arranged in reference to the days of the 
Moon’s Age. 
Days of 
the Moon’s 
Age. 
Number of hours of wind in each direction. 
Number 
of hours 
of calm. 
Total 
N. 
a 
N.E. 
E.N.E. 
E. 
E.S.E. 
S.E. 
S.S.E. 
s. 
s.s.w. 
S.W. 
C/5 
w. 
z 
N.W. 
N.N.W. 
number of 
hours for 
each day. 
1 
146 
52 
84 
42 
80 
6 
4 
194 
260 
234 
282 
128 
32 
40 
38 
386 
2008 
2 
140 
58 
86 
66 
54 
4 
6 
26 
200 
242 
264 
174 
78 
34 
74 
90 
454 
2050 
3 
164 
80 
52 
52 
36 
32 
12 
32 
166 
242 
254 
180 
84 
32 
36 
84 
502 
2040 
4 
112 
88 
48 
18 
56 
10 
18 
44 
198 
244 
238 
220 
100 
22 
14 
74 
560 
2064 
5 
126 
58 
62 
34 
104 
22 
10 
26 
126 
210 
254 
250 
78 
44 
44 
52 
508 
2008 
6 
132 
46 
110 
76 
66 
20 
6 
30 
132 
192 
268 
214 
98 
46 
46 
86 
414 
1982 
7 
108 
66 
84 
72 
102 
12 
26 
20 
120 
206 
288 
148 
176 
28 
44 
54 
488 
2042 
8 
116 
72 
96 
58 
66 
18 
4 
14 
172 
174 
208 
278 
124 
46 
56 
56 
484 
2042 
9 
150 
78 
64 
48 
68 
30 
10 
28 
130 
160 
246 
244 
96 
56 
48 
80 
540 
2076 
10 
190 
62 
106 
32 
98 
18 
18 
36 
170 
184 
188 
162 
138 
44 
36 
74 
530 
2086 
11 
184 
76 
88 
52 
66 
16 
10 
22 
144 
210 
204 
212 
120 
20 
54 
76 
534 
2088 
12 
100 
92 
98 
66 
50 
12 
6 
22 
168 
116 
204 
264 
146 
44 
26 
48 
576 
2038 
13 
194 
72 
68 
58 
74 
18 
12 
32 
172 
110 
166 
170 
104 
44 
46 
76 
608 
2024 
14 
190 
72 
60 
80 
78 
24 
20 
34 
156 
144 
206 
164 
82 
24 
66 
86 
568 
2054 
15 
278 
86 
68 
60 
86 
30 
34 
30 
140 
190 
206 
148 
104 
30 
32 
64 
478 
2064 
16 
150 
84 
50 
104 
86 
30 
52 
26 
84 
158 
252 
194 
100 
28 
62 
80 
524 
2064 
17 
208 
70 
64 
46 
78 
16 
20 
16 
136 
166 
244 
188 
96 
14 
52 
60 
590 
2064 
18 
212 
82 
60 
70 
98 
12 
14 
42 
128 
194 
188 
184 
100 
20 
40 
50 
558 
2052 
19 
228 
68 
114 
80 
104 
16 
26 
44 
64 
86 
166 
202 
126 
36 
52 
88 
510 
2010 
20 
174 
80 
116 
76 
138 
50 
20 
24 
92 
114 
176 
190 
122 
38 
26 
40 
544 
2020 
21 
168 
56 
72 
98 
168 
36 
16 
40 
88 
140 
216 
222 
122 
38 
52 
44 
496 
2072 
22 
206 
68 
102 
76 
118 
36 
26 
32 
74 
150 
170 
176 
90 
42 
50 
80 
562 
2058 
23 
224 
70 
110 
56 
62 
30 
24 
48 
180 
126 
196 
176 
86 
32 
32 
74 
506 
2032 
24 
236 
72 
80 
38 
42 
34 
20 
24 
140 
156 
242 
246 
100 
28 
26 
176 
378 
2038 
25 
206 
64 
58 
76 
52 
30 
8 
22 
124 
202 
238 
196 
136 
28 
40 
90 
476 
2046 
26 
126 
46 
72 
100 
70 
18 
16 
14 
114 
178 
230 
164 
164 
30 
56 
78 
532 
2008 
27 
98 
58 
100 
64 
26 
8 
10 
24 
192 
210 
286 
230 
88 
28 
22 
26 
518 
1988 
28 
88 
68 
48 
68 
74 
28 
32 
50 
154 
190 
322 
286 
92 
22 
30 
50 
402 
2004 
29 
82 
64 
74 
60 
106 
18 
4 
10 
180 
198 
220 
226 
170 
44 
32 
50 
454 
1992 
30 
80 
26 
32 
30 
20 
2 
16 
96 
124 
110 
154 
48 
18 
12 
26 
262 
1056 
Sum 
for each 
direction 
48l6j2034 
2326 
1956 
2226 
634 
482 
832 
4234 
5276|6684 
6144 
3296 
992 
1246^2050 
14942 
60170 
Royal Observatory, Greenwich, 
December 24, 1850. 
