TABLE X. Mean Temperakvre of every day 
the month of October , as deduced from the observatioiij taken on that day at the Oa/rdens of the Royal Horticultural Society at Chiswick in the yea/rs 1826-1869; 
and extremes of Mean Temperature for every day within the same period. 
DAT OF 
OCTOBER. 
3! 
!§ 
Lowest and Highest 1 
Mean Daily Temperature nra 
iHS» 
.z. 
1826 
1827 
1828 
1829 
1830 
i8 3I 
1832 
is 33 
1834 
1835 
1836 
.837 
1838 
1839 
1840 
1841 
1842 
1843 
1844 
1845 
1846 
1847 
1848 
1849 
1850 
1851 
.852 
1853 
1854 
1855 
1856 
18.57 
1858 
1 859 
i860 
1861 
1862 
1863 
1864 
1865 
1866 
1867 
1868 
1869 
ii 
Lowest 
1 
Highest 
Year-J 
li; 
54°9 
567 
56°-4 
52% 
56°-2 
64°, 
60°3 
49% 
51°9 
55°-4 
49-3 
58"1 
54-4 
53% 
53°-2 
54% 
49-3 
63°-4 
56% 
477 
53% 
57°'2 
52*9 
51% 
49°-6 
54°-0 
50°-2 
48°-3 
53°-l 
53°-l 
53% 
57% 
51% 
60°-l 
49°-3 
61°9 
55-9 
53-6 
54°4 
59°-8 
56°-2 
48% 
53% 
58% 
54-4 
47-7 
1845 
64-2 
1831? 
16-6 i 
2 
631 
58-2 
52-2 
54-2 
59-0 
59-6 
59-4 
52-3 
51-8 
52-9 
46-2 
63-9 
55-5 
55-2 
52-8 
53-8 
46-6 
60-0 
58-4 
60-6 
58-3 
53-1 
56-4 
47-4 
51-1 
51-9 
49-1 
44-0 
55-4 
53-2 
56-4 
57-6 
56-3 
61-1 
52-5 
56-2 
63-4 
53-3 
51-4 
61-8 
59-4 
50-3 
50-9 
56-7 
54-8. 
44-0 
1853 
63-9 
18371 
19-9 i 
3 
511 
537 
54*2 
55-0 
57-7 
61-2 
58-2 
51-0 
50-3 
50-7 
43-2 
62-1 
527 
50-3 
47-0 
55-6 
51-6 
59-7 
60-1 
57-8 
51-9 
53-4 
57-3 
527 
60-6 
55-3 
50-1 
41-3 
51-3 
55-9 
59-7 
58-0 
60-2 
61-0 
52-7 
582 
62-4 
* 58‘9 
48-3 
57-9 
620 
45-0 
47-8 
56-1 
54‘4 
41-3 
1853 
62-4 
18621 
21-1 | 
4 
469 
540 
53-8 
53-8 
51-9 
58-0 
58-9 
50-1 
54-2 
52-5 
43-3 
58-8 
50-0 
567 
49-9 
54-6 
474 
59-8 
53-7 
56-5 
57-8 
51-6 
61-8 
48-7 
49-5 
55-4 
50-4 
49-2 
51-0 
58-4 
60-5 
54-4 
56-4 
63-5 
61-0 
57-8 
53-4 
58-3 
481 
54-3 
58-2 
42-1 
50-6 
53-9 
53'7 
42-1 
1867 
63-5 
1869 
21-4 ,| 
5 
43-7 
55*4 
58-4 
51-6 
51-0 
67-3 
55-4 
51-3 
60-6 
50-0 
48-0 
56-8 
52-6 
48-4 
49-5 
63-1 
44-2 
60-6 
54-2 
46-6 
59-0 
49-3 
60-5 
46-5 
49-9 
51-7 
51-2 
51 -5 
60-4 
53-1 
534 
48-9 
48-3 
62-0 
52-5 
68-8 
54-4 
48-4 
48-2 
51-7 
551 
40-2 
53-9 
49-9 
5 2 ’4 
40-2 
1867 
62-0 
1859] 
21-8 i 
6 
40-8 
52-3 
55-1 
46-4 
49-9 
62-5 
49-5 
52-0 
57-7 
527 
52-5 
55-9 
51-5 
49-7 
40-1 
50-8 
48-9 
60-2 
51-8 
47-2 
57-2 
54-7 
61-8 
47-8 
50-1 
50-4 
44-8 
491 
52-7 
56-6 
550 
50-4 
49-8 
60-6 
55-6 
57-4 
60-9 
47-7 
44-4 
51-9 
56-2 
43-4 
53-4 
54-3 
52-1 
40-1 
1840 
62-5 
1831 
224 i 
7 
47*3 
520 
55-2 
38-8 
54-7 
63-3 
54-2 
50-5 
60-9 
531 
55-8 
54-9 
51-8 
52-2 
42-0 
53-2 
52-9 
61-3 
460 
47-0 
56-6 
52-1 
61-5 
55-5 
51-8 
52-0 
45-0 
50-9 
50-9 
54-2 
54-9 
55-2 
54-1 
63-0 
55-4 
61-1 
52-4 
56-5 
50-7 
54-9 
56-7 
45-6 
49-5 
57-7 
53'3 
38-8 
1829 
63-3 
1831 
24 5 ! 
8 
56-3 
54-6 
53-9 
40-1 
56-1 
53-1 
49-2 
51-3 
59-1 
52-7 
51-4 
53-2 
51-8 
57-4 
43-0 
51-1 
52-2 
57-3 
45-7 
48-1 
52-9 
54-9 
57-6 
47‘3 
46-8 
46-5 
40-6 
51-3 
54-6 
51-3 
52-8 
51-7 
44-0 
58-7 
49-8 
62-3 
56-4 
58-7 
51-4 
65-4 
54-4 
43-1 
50-3 
61-2 
5 2 ' 1 
40-1 
1829 
62-3 
1861 \ 
222 
9 
488 
57*4 
51-5 
39-5 
52-2 
56-3 
52-0 
51-0 
59-3 
56-2 
56-5 
54-8 
41-3 
45-1 
53-1 
37-9 
48-8 
57-8 
51-8 
53-8 
48-6 
46-0 
58-0 
44-9 
58-6 
55-9 
51-3 
50-8 
58-4 
50-9 
42-7 
50-2 
60-3 
Si'4 
37-9 
1852 
61-0 
1839 
231 
IO 
56-5 
52-4 
56-9 
48-3 
50-8 
586 
60-5 
48-1 
48-9 
45-9 
57-4 
55-0 
51-7 
58-8 
43-2 
54-4 
54-1 
49-3 
54-5 
47-6 
55-5 
57, 
520 
41-1 
47-0 
62-5 
46-7 
50-9 
57-0 
47-2 
53-4 
51-3 
48-8 
55-5 
46-1 
60-3 
579 
57-8 
50-8 
58-4 
53-3 
42-2 
51-5 
61'7 
5 2 *7 
41-1 
1849 
62-5 
1851 
m - 
ii 
62-5 
500 
55-0 
54-5 
52-0 
58-2 
63-2 
49-8 
52-8 
46-8 
629 
54-1 
53-6 
62-5 
50-9 
64-1 
527 
55-3 
52-5 
447 
52-6 
55-1 
49-0 
47-1 
42-3 
59-5 
47-8 
51-9 
52-6 
51-9 
55-2 
67-1 
44-0 
54-1 
43-1 
57-8 
58-0 
56-1 
51-5 
56-8 
51-9 
44-6 
48-9 
59-6 
5 2 ‘9 
42-3 
1850 
63-2 
18321 
20-9 
12 
62-2 
500 
56-8 
54-0 
50-3 
58-3 
577 
48-1 
52-8 
48-2 
52-5 
51-3 
43-9 
52-5 
45-3 
49-3 
510 
46-6 
56-5 
477 
61-8 
60-2 
48-0 
45-8 
41-4 
61-7 
44-6 
52-5 
44-0 
541 
53-3 
58-4 
45-2 
54-5 
39-1 
59-2 
56-0 
54-6 
52-5 
51-0 
49-3 
43-8 
52-6 
60-2 
51-6 
39-1 
1860 
62-2 
1826] 
*3 
570 
43*3 
57*2 
54-7 
497 
63-3 
50-5 
48-3 
54-1 
58-6 
56-3 
48-6 
35-7 
50-6 
45-0 
53-0 
48-4 
42-3 
56-2 
52-5 
46-5 
56-1 
50-5 
43-3 
44-1 
58-6 
46-1 
54-0 
48-3 
489 
54-6 
56-1 
55-8 
52-3 
47-6 
61-3 
54-0 
57*3 
51-5 
48-0 
47-5 
45-8 
50-6 
578 
51-4 
35-7 
1838 
63-3 
1831 
27-fl 
14 
55-2 
50'7 
56-7 
47-3 
44-8 
59*6 
517 
550 
57-3 
561 
54-3 
45-0 
37-6 
52-8 
46-6 
58-5 
48-9 
41-6 
53-0 
48-5 
49-8 
51-0 
47*3 
44-3 
44-6 
56-6 
50-0 
55-2 
50-3 
45-5 
54-1 
51-6 
58-1 
55-1 
47-1 
600 
59-5 
55-8 
50-2 
49-8 
492 
51-8 
48-1 
49-3 
5i-3 
37-6 
1838 
600 
1861! 
22-4 . 
x 5 
57-8 
56*3 
51-6 
40-8 
43-1 
576 
53-6 
49-0 
48-1 
55-4 
52-5 
46-0 
51-4 
48-6 
45-1 
55-4 
53-0 
37-7 
53-9 
57*0 
49-2 
49-5 
46-7 
44-3 
41-4 
520 
51-1 
52-8 
49-6 
45-4 
53-8 
54-1 
55-4 
56-2 
50-6 
55-7 
58*0 
52-9 
47-2 
48-2 
46-1 
56-5 
51-4 
54-0 
50-8 
37-7 
1843 
58-0 
1862 
20-3 
16 
49-2 
56*5 
51-3 
50-5 
44-0 
53-6 
507 
45-7 
54-0 
53-8 
53-6 
48-2 
56-7 
480 
50-1 
527 
51-7 
36-3 
49-6 
50-4 
53-3 
55-5 
48-1 
459 
441 
430 
47-6 
46-4 
46-5 
46-8 
513 
53-9 
54-0 
56-4 
50-6 
49-5 
53-0 
560 
50-5 
48-8 
39-4 
55-5 
49-5 
49-5 
50-0 
36-3 
1843 
56-7 
1838' 
20-4 
17 
49-0 
52-6 
517 
54-1 
42-6 
54-5 
47-9 
43-4 
43-8 
47-8 
43-3 
52-1 
52-2 
54-4 
51-8 
50-3 
473 
48-1 
52-5 
54-5 
54-1 
50-6 
48-8 
53-8 
44-7 
41-7 
4.9-8 
41-7 
1869 
56-7 
1831 
15-0 
18 
55-9 
568 
45-1 
56-2 
49-5 
59-8 
51-5 
45-8 
51-2 
45-5 
58-6 
51-3 
48-1 
507 
51-5 
50-5 
47-3 
376 
45-2 
55-0 
45-3 
56-4 
38-0 
55-1 
52-8 
54-9 
44-2 
45-2 
44-2 
51-6 
50-2 
530 
49-5 
50-8 
51-2 
48-1 
43-0 
51-5 
52-2 
49-1 
50-2 
51-9 
41-6 
40-9 
49, 
37-6 
1843 
59-8 
1831 
22-2' 
19 
58-0 
571 
44-2 
58-2 
56-6 
55-5 
49-2 
46-1 
49-9 
39-9 
51-1 
48-6 
54-0 
48-1 
50-8 
47-5 
41-5 
36-2 
48-0 
55*4 
51-5 
56-3 
44-3 
56-3 
53-2 
59-2 
42-6 
49-7 
42-9 
50-6 
48-8 
53-9 
53-6 
51-3 
52-8 
49-8 
51-0 
57-0 
56-2 
42-8 
56-9 
46-2 
38-6 
38-3 
50-0 
36-2 
1843 
59-2 
18511 
280 
20 
590 
57-6 
46-0 
55-8 
58-9 
58-1 
43-9 
42-9 
54-6 
42-8 
43-9 
51-6 
58-9 
50-8 
43-8 
47-1 
35-9 
41-2 
470 
50-0 
49-6 
48-7 
45-0 
566 
46-7 
60-0 
43-9 
47*3 
48*4 
53-2 
52-1 
56-3 
52-6 
50-2 
47-3 
50-6 
42-5 
54-0 
53-0 
41-2 
55-6 
46-1 
39-4 
42-4 
49'4 
35-9 
1842 
600 
1851 j 
24-1 
21 
61-1 
57*9 
50-7 
52-7 
59-2 
50-9 
46-6 
57-0 
46-3 
41-9 
48-4 
48-6 
58-5 
54-3 
46-1 
39-1 
34-1 
44-4 
48-1 
45-6 
50-3 
49-9 
41-0 
50-7 
42-5 
56-5 
51-1 
50-3 
49-9 
53-8 
51-1 
52-5 
51-9 
36-8 
44-4 
52-8 
49-6 
53-6 
52-9 
42-7 
55-8 
51-1 
42-4 
47-4 
49'4 
34-1 
1842 
61-1 
1826 
27 ’° 
22 
579 
56-2 
55-9 
48-1 
61-0 
55-3 
43-2 
57-2 
52-2 
47-8 
46-4 
53-6 
58-0 
527 
46-5 
41-9 
41-3 
51-9 
44-7 
49-3 
46-6 
50-0 
47*4 
50-8 
42-8 
53-5 
56-1 
58-4 
49-5 
55-9 
52-9 
45-1 
48-8 
36-2 
50-4 
53-2 
501 
53-2 
52-6 
47-6 
49-2 
596 
42-2 
45-2 
jo-4 
36-2 
1859 
61-0 
1830 
24-8, 
2 3 
56-9 
48-2 
53-9 
46-6 
48-0 
47-8 
55-0 
55-0 
620 
46-3 
52-4 
45-2 
517 
40-9 
42-6 
43-7 
51-3 
50-7 
57-0 
43-5 
54-1 
50-4 
58-9 
43-9 
52-8 
55*0 
49-9 
52-0 
31-6 
56-0 
53-1 
50-6 
53-4 
51-7 
49-6 
48-6 
54-7 
45-0 
49-5 
S°' z 
31-6 
1859 
57-0 
1849 j 
25'4 | 
24 
564 
53*9 
43*1 
44-6 
53-2 
54-6 
46-6 
56-7 
40-2 
48-2 
50-9 
45-1 
51-0 
50-1 
43-4 
437 
37-6 
54-6 
49-1 
41-8 
48-8 
44-4 
52-8 
553 
391 
53-7 
47-8 
54-8 
44-4 
44-6 
50-3 
54-8 
51-1 
29-9 
54-4 
56-7 
47-1 
43-9 
44-2 
52-6 
50-6 
52-9 
47-9 
46-6 
48-5 
29-9 
1859 
56-7 
{1801' 
26 8 | 
*5 
530 
547 
50-3 
45-4 
56-4 
55-3 
44-8 
57-2 
42-5 
50-2 
50-0 
40-6 
52-3 
48-0 
39-9 
43-5 
42-3 
42-8 
46-1 
42-2 
46-8 
40-6 
50-5 
57-0 
39-9 
51-8 
45-0 
52-2 
41-9 
503 
45-7 
48-7 
50-0 
38-8 
56-7 
57-0 
42-1 
43-5 
50-6 
45-6 
45-0 
50-1 
50-0 
44-5 
47-8 
38-8 
1859 
57-2 
1833 
18-4 
26 
46-9 
556 
47-5 
43-6 
42-9 
55-3 
44-6 
57-5 
43-3 
45-9 
50-7 
45-3 
50-9 
45-1 
42-2 
45-4 
39-9 
38*9 
45-4 
41-3 
43-6 
43-3 
47-7 
52-4 
38-4 
49-9 
40-1 
573 
39-7 
47-4 
39-2 
50-7 
49-0 
41-5 
52-4 
49-7 
48-6 
44-0 
53-4 
48-4 
45-5 
52-3 
46-0 
39-2 
46-5 
38-4 
1850 
57-5 
1833 
19-1 
27 
47-8 
54*6 
50-9 
45-4 
57*0 
41-5 
49-8 
43-2 
58-3 
39-8 
40-7 
39-8 
51-7 
47-2 
33-7 
51-5 
50-2 
48-7 
43-2 
54-2 
45-2 
44-3 
460 
41-2 
34-6 
46-7 
33-7 
1859 
58-3 
1853, 
2i, 
28 
46-4 
43-1 
46-9 
42-6 
55-0 
55-3 
50-1 
54-9 
49-8 
43-0 
34-0 
44-2 
51-9 
45-3 
43-5 
45-9 
42-4 
44-6 
390 
52-6 
38-2 
51-4 
46-9 
55-0 
42-5 
48-4 
48-1 
54-9 
46-8 
45-5 
38-1 
50-2 
46-7 
42-8 
53-8 
47-2 
44-2 
47-9 
51-2 
40-0 
46-7 
42-3 
42-7 
36-8 
46-3 
34-0 
1836 
55-3 
1831 | 
21-3 
29 
50-2 
41-0 
44-2 
43*1 
47-2 
51-7 
507 
56-4 
48-4 
47-5 
32-5 
43-0 
47-5 
42-2 
40-1 
47-4 
37-7 
420 
46-3 
48-1 
46-9 
520 
44-7 
50-7 
37-6 
41-2 
42-4 
48-2 
44-2 
46-6 
40-2 
48-7 
39-8 
42-3 
48-4 
47-3 
43-2 
47-0 
52-4 
47-1 
42-7 
54-0 
47-7 
41-4 
45'5 
32-5 
1836 
56-4 
1833, 
23-9 
3° 
52-9 
44-2 
39-3 
49-9 
45-3 
48-9 
48-0 
517 
47-4 
42-6 
32-5 
500 
48-2 
42-5 
452 
46-6 
41-4 
53-8 
42-1 
52-6 
44-9 
52-1 
45-0 
49-0 
42-6 
43-2 
53-5 
46-7 
50-8 
49-5> 
46-7 
46-0 
41-0 
391 
49-8 
48-5 
37-2 
45-7 
45-1 
47-2 
51-0 
52-9 
47-9 
43-2 
46-5 
32-5 
1836 
53-8 
1843: 
21-3 
50-0 
51-0 
52-5 
49-1 
32-5 
45-0 
43-9 
39-3 
46-1 
49-6 
46° 
46-1 
45-9 
46-4 
41-5 
56-2 
43-3 
45-7 
46-4 
41-3 
53-4 
50-4 
54-7 
45-4 
51-9 
44-3 
35-8 
46-7 
45-5 
47-7 
48-2 
45*2 
42-9 
44*7 
44-4 
54-0 
51-8 
44-1 
46-7 
32-5 
1836 
56-2 
1847 'j 
23-7 1. 
Means 
530 
52-9 
51, 
43, 
51-8 
56-9 
51-5 
51-4 
51-6 
49-0 
48-4 
50-9 
51-1 
50-7 
46-0 
60-2 
46-3 
48-6 
49-7 
49-2 
50-1 
5,1 
50-2 
501 
45-4 
52-4 
47-1 
50-9 
50-6 
51-3 
52-4 
500 
50-1 
500 
54-7 
520 
52-1 
506 
50*4 
51-0 
48-7 
47-8 
48, 
50-4 
J 
11*9 
The Mean Temperature of the coldest day in October in the years 1826 to 1869 \ 
The Mean Temperature of the hottest day in October in the years 1826 to 1869 a 
T he difference between these numbers is 34°-3, a 
In 44 years. 
T 
3 29°-9 and it took place on the 24th day in the year 1859, 
> 64°-2, and it took placeon the 1st day in the year 
two days in the month of October 
The day of the month whose Mean Temperature has been subjected to the greatest difference 
35°*7, and in the year 1831 it was 63°-3 ; the difference between these numbers is 27°-6. 
The day of the month whose Mean To ... 
and in the year 1831 it-- 
3 the 13th; in the year 1838 its Mean Temperature J 
ibjeeted to tho least difference was the 17th; in the year 1868 its Mean Temperature was 41°'7>| 
66°-7 ; the difference between these numbers is 15°-0. 
' »V:v ; 
