Observations on August 17, 1852. 
I 
I 
342 MR. J. WELSH’S ACCOUNT OF METEOROLOGICAL 
Table IV. Meteorological Observations, made at Various Places on the days of the 
Four Balloon Ascents in 1852. 
Hour. 
Barom. 
Therm. 
Dry. Wet 
Tension 
of 
Vapour. 
29-568 
523 
•515 
•502 
•485 
•477 
•487 
9 A.M. 
2 P.M. 
3 
4 
5 
6 
7 
8 
2 P.M. 
3 
4 
5 
6 
7 
8 
9 A.M. 
2 P.M. 
3 
4 
5 
6 
7 
8 
9 A.M. 
2 P.M. 
3 
4 
5 
6 
7 
8 
9 A.M. 
2 P.M. 
3 
4 
5 
6 
7 
18 
Aylesbury. 
72-3 166-7 
73-0 
69-8 
69-3 
67-0 
66-0 
62-0 
68-5 
65- 7 
66 - 0 
65*7 
65-0 
62-0 
Barom. 
Therm. 
Dry. Wet 
Tension 
of 
Vapour. 
29-74 
74 
71 
71 
69 
68 
68 
Derby. 
71- 0 164-0 
72- 0 
70-0 
68-0 
67-0 
65-5 
64-5 
65-0 
64- 5 
65- 0 
64-0 
63-5 
63-0 
0-590 
•642 
•585 
•601 
•616 
•606 
•559 
0-518 
•538 
545 
583 
563 
565 
561 
29-79 
•70 
•66 
*65 
•64 
•62 
29-679 69-2 
Bedford. 
67*4 62-0 
73-1 ;67-0 
70-6 66-8 
69-6 ; 67-0 
68'4 66'5 
66-1 '65-0 
Dublin. 
Edinburgh. 
29-279 
•264 
•282 
67-7 
67-5 
66-2 
•682 
•682 
•686 
•689 
•709 
68-5 
67-6 
66*9 
63-5 
62-5 
62-7 
62-0 
61-8 
60-9 
59-0 
58-9 
Haverhill. 
29-750 
734 
720 
705 
72-0 
72-0 
73-0 
71-0 
674 69-8 
663 j68-0 
629 i66-2 64-8 
65- 5 
66*3 
67-3 
67-5 
66 - 8 
66-5 
Therm. 
Barom. 
1 Dry. 
Wet. 
Tension Therm. ; Tensioc 
of Barom. \ t)f 
Vapour. , ! Dry. 1 Wet. Vapour. 
0-498 
•590 
•611 
•630 
•627 
•605 
0-499 
•486 
•490 
•472 
•456 
•464 
Cambridge. 
'29-912 65-5 63-0 
•813 72-0 
•814 i71-3 
•789 '70-3 
•774 69-3 
•756 
•730 
29-85 
80 
78 
78 
76 
74 
73 
67-8 
67-5 
68-6 
68*5 
68-1 
67*7 
66*5 
66-3 
Cardington. 
0-550 29*793 65-0 60-5 
Diss. 
70-0 | 66-0 
70-0 66-0 
69*5 66-0 
69*0 66*0 
66-5 
65*5 
64-0 
68*5 
67-0 
65*0 
•656 
•660 
•658 
•656 
•622 
•631 
0-593 
•593 
•599 
•604 
•626 
•610 
•586 
•725 70*8 65-0 
•717 70-0 66-0 
•669 69-2 66-0 
•678 67*4 66*0 
•668 67-0 65-0 
•623 i ; 
Enfield. 
1 1 
29-754 72-8 66-0 
•735 71-7 66*6 
•707 69-9 66-0 
•696 69-5 66'0 
•657 ■68-9 66*0 
•650 ,66-8 64-8 
Hawerden, Chester. 
Holkham. 
Linslade. 
29-888 
56*5 
62-4 
0-520 
29-595 
64-0 159-3 
•525 
69-3 63-3 
•796 
74*4 
67-2 
•582 
•505 
71-3 64-2 
•785 
72-3 
66-4 
•581 
70-2 '64-8 
•784 
72-2 
67-0 
•601 
•457 
68*5 , 
64-9 
•763 
68-8 
65-2 
•581 
•454 
67-4 65*1 
•756 
67-2 
64-7 
•583 
•735 
66-3 
64-0 
•571 
•420 
63-9 '62-3 
Rosehill, Oxford. 
Ryde. 
29-639 
65*0 
61-0 
0-497 
29-850 
63-8 
61-9 
•748 
65*9 
65-7 
•554 
68-6 
64-7 
•568 
•731 
66-8 
66-2 
•507 
66-5 
64*5 
•585 
•667 
65-8 
64-2 
•529 
65-0 
64-8 
•611 
•667 
65-8 
63-7 
•443 
65-0 
64*6 
•605 
•639 
64-9 
64-2 
•622 
64-8 
63-7 
•623 
64-0 
63-5 
554 
580 
601 
631 
588 
631 
597 
0-558 
•516 
•521 
•553 
•575 
•593 
•5 46 
0-536 
•629 
635 
583 
568 
593 
579 
581 
29-450 
■454 
•430 
•428 
■420 
•420 
•414 
67-5 63-0 
67- 8 64-0 
68- 0 64-0 
66-9 163-9 
66*5 64*0 
65-8 
63-5 
0-528 
•554 
•552 
•561 
•569 
•561 
0-482 
•552 
•593 
•602 
•622 
•595 
0-561 
•593 
•594 
•599 
•605 
•591 
Highfield House. 
29-722 69-2 ,63-3 0-51 7 
Norwich. 
29-906 68-0 64-0 
•786 
•766 
•756 
•748 
•716 
•709 
73-0 
72-0 
72-0 
68-0 
68-0 
68-0 
70-0 |67-0 
68-0 !66-0 
65-0 64-5 
•552 
•625 
•636 
•636 
•625 
•616 
•601 
Southampton. 
29*812 
•729 
•711 
•674 
•656 
•626 
•624 
(?)-867 
66-1 
71-0 
67-7 
67-9 
67*0 
66-0 
64-0 
63-0 
67-0 
66-0 
65- 6 
66 - 0 
65-0 
62-9 
63-5 62-0 
0-544 
•615 
•619 
•603 
•627 
•606 
•574 
•542 
•653 
•652 
•639 
•623 
•607 
•594 
29-630 
•615 
•577 
587 
75-0 67-0 
71*5 65-3 
68-8 65-2 
67*0 64*5 
65-0 63-9 
64-2 63-0 
Oxford. 
72-1 
70-4 
67*6 
67-7 
66-4 
66-0 
65-1 
65*0 I 
•507 166-0 '64-8 I 
•528 ,65-8 64-8 j 
•512 165-1 64-7 
•569 
•553 
•581 
•579 
•583 
•565 
0-583 
•589 
•591 
•587 
•600 
•60 
•60 
29-70 
•69 
•68 
•68 
*65 
•65 
•58 
St. Ives. 
73-0 
72-0 
72-0 
72-0 
70-0 
68-0 
67*0 
