NO. 17.] 



ATMOSPHERIC PRESSURE. 



329 



JANUARY. 



700 mm. + 



STANDARD GRAVITY. 

 SEA-LEVEL. 



PRESSURE OF THE AIR. 



9h 



3h 



4h 



5li 



660 



62-7 

 60-5 

 58-8 

 59-2 



61-6 

 571 

 57-5 

 570 

 63-3 



60-9 

 50-3 

 56-2 

 66-3 



68'8 



73-3 

 74-7 

 766 

 70-9 

 61-1 



63-7 

 64-8 

 64-1 

 69-2 

 68-2 



660 

 57-2 

 500 

 52-3 

 500 

 46-2 



66-0 



62'8 

 60-6 

 58-7 

 59'4 



61-5 

 570 

 57-4 

 56-9 

 63-6 



60-4 

 49-9 

 56-9 

 66-3 



68-8 



73-5 

 74-5 

 77-1 

 70-5 

 60-9 



64-4 

 64-6 

 64-5 

 69-2 

 68-2 



65-8 

 570 

 49-8 

 52-3 

 499 

 46-3 



65-7 



62-7 

 60-6 

 58-4 

 59-6 



61-4 

 57-1 



57-4 

 57-2 

 63-9 



59'8 

 49-7 

 57-6 

 66-8 

 68-7 



73-6 



74-2 

 77-4 

 700 

 605 



64-9 

 64-3 

 64-5 

 696 

 68-3 



65-5 



56-8 

 501 

 52-1 

 500 

 46-4 



65-8 

 62-6 

 60-7 

 58-3 

 599 



61-3 

 57-1 

 57-4 

 57-5 

 640 



59-4 

 49-1 



58-2 

 67-1 

 68-7 



73-8 

 740 

 77.6 

 69-8 

 60-4 



651 



64-2 

 64-6 

 69-8 

 68-5 



651 

 56-1 

 500 

 521 

 49-7 

 46-4 



6h 



7h 



65-5 

 62-4 

 60-8 

 58-3 

 600 



614 



57-2 

 57-7 

 57-4 

 64-2 



58-9 

 48-9 



58-4 

 67-4 

 68-8 



73-9 

 73-8 

 78-1 

 69-5 

 601 



65-8 

 64-2 

 64-8 

 69-8 

 68-7 



650 

 55-9 

 50-1 

 52-2 

 49-5 

 46-6 



65-4 

 62-4 

 60-7 

 58-3 

 60-3 



61-5 

 57-4 

 .57-7 

 57-5 

 64-4 



58-7 

 4S-8 

 589 

 67-7 



68-8 



74-4 

 73-7 

 78-6 

 691 

 601 



66-4 

 64-2 

 65-1 

 69-8 



68-8 



64-7 

 55-3 

 50-3 

 52-2 

 49-2 

 46-7 



8ii 



65-2 

 62-4 

 60-8 

 58-4 

 60-7 



61-5 



57-6 

 57-8 

 57-9 

 64-6 



58-3 

 490 

 59-5 

 67-9 

 68-9 



74-7 

 73-8 

 791 

 69-4 

 60-1 



66-6 

 64-3 



65-4 

 70-1 



68-7 



64-3 

 550 

 50-3 

 52-2 

 48-9 

 46-8 



9h 



65-1 

 62-3 

 60-7 

 58-4 

 60-7 



61-3 



57-6 

 57-8 

 58-2 

 64-8 



580 

 49-0 

 59-9 

 68-2 

 68-8 



74-7 

 73 6 

 79'2 

 69-3 

 60-3 



66-8 

 640 

 65-5 

 70-0 

 68-6 



63-9 

 54-7 

 50-4 

 52-1 

 48'7 

 46-7 



lot 



64-8 

 62-0 

 60'7 



58-2 

 60-7 



61'0 

 57-7 

 57'7 

 58-1 

 64-7 



57-0 

 491 

 60-3 

 68-2 

 691 



74-6 

 73-5 



79-5 

 69-4 

 60-3 



66-8 

 64-0 

 65-6 

 69-7 



68'5 



63-4 

 54-5 

 50-6 

 520 

 48-3 

 46-7 



llh 



64-7 

 61-8 

 60-7 

 58-0 

 60-8 



60'9 



57 8 

 57-4 

 58-2 

 64-5 



56-6 

 49-2 

 60-6 

 68-3 

 69-1 



74-4 

 73-4 

 79-5 

 69-3 

 60-2 



66-8 

 639 

 65-6 

 69-5 

 68-4 



63' 1 

 53-6 

 50-7 

 51-6 

 48-0 

 46-7 



Mnt. 



64-5 

 61-6 



60-5 

 57-7 

 609 



605 

 57'8 

 57-2 

 58-4 

 64-3 



562 

 49-3 

 60-9 

 68-5 

 692 



74-3 

 73-2 

 793 

 69-3 

 603 



68-9 

 63-6 

 65-7 

 69-4 



68-2 



62-7 

 53-2 

 51-0 

 51-4 

 47-6 

 46-5 



Mean 



66-2 

 631 

 60-8 

 59-1 

 59-2 



61-3 

 58-1 

 57-5 



57-5 



62-2 



610 

 51-3 

 55-2 

 65-7 



68-8 



72-6 

 74-4 

 76-3 

 731 

 631 



63-5 

 65-6 

 64-4 

 68-6 

 68-7 



66-1 

 57-8 

 509 

 510 

 50-1 

 46-6 



Day. 



1 



2 

 3 

 4 

 5 



6 

 7 

 8 

 9 

 10 



11 



12 

 13 

 14 

 15 



16 

 17 



18 

 19 

 20 



21 

 22 

 23 

 24 

 25 



26 

 27 

 28 

 29 

 30 

 31 



61-76 



61-81 



- 0-15 



61-76 



61-84 



- 0-12 



61-78 



61-94 



- 0-02 



61-84 



6203 



+ 0-07 



61-94 



62-16 



+ 0-20 



61-91 



6216 



+ 0-20 



61-83 



62-10 



+ 0-14 



61-72 



62-02 



+ 0-06 



61-68 



6201 



4- 0-05 



61-96 



Mean 

 Corr. 

 D. f. m. 



m 



