10 
Results of Makerstoun Observations, 1845. 
TABLE XVI. — Number of DiflFerences in 1000 (without reference to sign) which occur between the 
limits of successive Minutes, for each Month, and for the Year 1845. 
Month. 
0' 
to 
1'. 
1' 
to 
2'. 
2' 
to 
3'. 
3' 
to 
A f 
4' 
to 
5'. 
5' 
to 
6'. 
6' 
to 
7'. 
7' 
to 
8'. 
8' 
to 
9'. 
9' 
to 
10'. 
10' 
to 
15'. 
15' 
to 
20'. 
20' 
to 
25'. 
25' 
to 
Above 
30'. 
Jaauary 
387 
270 
193 
59 
25 
14 
8 
11 
11 
6 
8 
5 
5 
February 
406 
3.37 
109 
54 
30 
24 
7 
9 
5 
3 
9 
3 
3 
Marcli 
418 
287 
146 
64 
24 
14 
18 
16 
6 
5 
2 
April 
470 
292 
125 
56 
15 
13 
13 
2 
2 
3 
6 
2 
2 
May 
471 
299 
120 
63 
14 
11 
6 
5 
2 
2 
8 
June 
537 
282 
112 
42 
17 
5 
2 
July 
478 
336 
99 
39 
20 
5 
3 
3 
6 
9 
2 
August 
377 
330 
117 
80 
29 
24 
18 
8 
5 
2 
6 
3 
2 
September 
329 
288 
202 
90 
27 
8 
21 
6 
14 
11 
2 
2 
October 
449 
295 
136 
57 
15 
12 
9 
5 
6 
5 
8 
3 
November 
4,10 
293 
140 
77 
25 
18 
10 
7 
7 
3 
10 
December 
463 
336 
88 
39 
19 
12 
15 
6 
6 
3 
3 
9 
Year 
433 
304 
132 
60 
21 
13 
11 
7 
6 
2 
7 
2 
1 
1 
TABLE XVII. — Number of DiflFerences in 1000 (without reference to sign) which occur between the 
limits of successive Minutes, for each Hour in 1845. 
Mak. 
Mean 
Time. 
0' 
to 
1'. 
1' 
to 
2'. 
2' 
to 
3'. 
3' 
to 
4'. 
4' 
to 
5'. 
5' 
to 
6'. 
6' 
to 
7'. 
7' 
to 
8'. 
8' 
to 
9'. 
9' 
to 
10'. 
10' 
to 
15'. 
15' 
to 
20'. 
20' 
to 
2.5'. 
25' 
to 
30'. 
Above 
30'. 
h. 
12 
377 
348 
121 
38 
26 
19 
22 
10 
6 
3 
16 
10 
3 
13 
351 
371 
121 
54 
13 
16 
16 
16 
3 
10 
19 
6 
3 
14 
406 
294 
118 
67 
35 
13 
19 
10 
26 
6 
3 
15 
412 
288 
147 
73 
13 
19 
6 
16 
6 
13 
3 
16 
492 
288 
99 
38 
29 
26 
16 
6 
6 
17 
546 
259 
83 
58 
22 
10 
6 
10 
3 
3 
18 
498 
291 
105 
51 
26 
10 
6 
6 
3 
3 
19 
505 
291 
115 
42 
16 
13 
6 
6 
6 
20 
422 
294 
141 
73 
19 
13 
10 
13 
6 
6 
3 
21 
409 
313 
131 
73 
35 
16 
10 
3 
3 
6 
22 
441 
304 
153 
67 
13 
13 
3 
3 
3 
23 
438 
291 
153 
73 
29 
10 
3 
3 
0 
390 
323 
176 
83 
16 
6 
6 
1 
36] 
291 
195 
93 
29 
16 
6 
3 
3 
3 
2 
399 
332 
121 
70 
19 
29 
6 
10 
3 
3 
6 
3 
419 
291 
144 
67 
16 
26 
19 
3 
10 
6 
4 
466 
316 
105 
42 
26 
10 
16 
6 
3 
3 
6 
5 
524 
291 
83 
45 
6 
6 
16 
6 
6 
3 
13 
6 
466 
300 
118 
38 
22 
6 
10 
3 
6 
10 
13 
3 
7 
447 
307 
128 
42 
35 
6 
3 
10 
3 
10 
6 
3 
8 
460 
304 
134 
38 
22 
13 
10 
6 
3 
3 
6 
... 
9 
358 
316 
173 
67 
16 
3 
13 
26 
6 
3 
10 
3 
6 
... 
10 
399 
294 
163 
67 
10 
13 
22 
3 
13 
10 
3 
3 
11 
406 
297 
147 
73 
22 
16 
13 
6 
3 
10 
3 
... 
'I 
