Meteor olog ica I OLserva tions . 



Iii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 

 in the mouth of July 1808. 



Latitude 22° 33' 1" North. Longitude 88° 20' 3d." East. 



Height of the Cistern cf the Standard Barometer above the sea level, 18.11 feet. 



Daily Means, & c. of the Observations and of the Hygrometrical elements 

 dependent thereon. 





o *+ 



Range 



of the Bi 



remoter 



9 h 



Range of the T 



empera- 



e day. 







di 



ring the < 



lay. 



21 



a s 



Mire daring th 



Bate. 



Max. 



Min. 



Diff. 



Max. 



Min. 



|Diff. 





Inches. 



Inches. 



Inches. 



! Inches. 



1 



! o 











o 



1 



29.581 



29.625 



29.537 



0.088 



83.8 



90.0 



! 79.0 



11.0 



2 



.593 



.038 



.553 



.085 



85 



89.1 



82.4 



6.7 



3 



.595 



.687 



.557 



| .080 



88.3 



93.4 



f 84.0 



9.4 



4 



.564 



.602 



.515 



.087 





93.0 



85.5 



7.5 



5 



.580 . 



.630 



.540 



.090 



88.1 



.93.0 



84.0 



9.0 



6 



.629 



.687 



.567 



-120 



86 2 



91.6 



80.5 



11.1 



7 



.668 



.723 



.621 



.099 



85.9 



.91.0 



81.8 



9.2 



8 



.651 



,712 



.580 



.332 



85.9 



91.4 



82.0 



9.4 



$ 



.674 



;637 



.498 



.129 



85.8 



90.8 



82.0 



8.8 



10 



.569 



.615 



.532 



.083 



78.8 



84.5 



70.0 



8.5 



11 



.500 



.033 



.520 



.113 



82.5 



87.0 



80.0 



7.0 



12 



.GIG 



.662 



.566 



.096 



S4.8 



90.6 



81.5 



9.1 



13 



.5G0 



.629 



.534 



.095 



84.0 



88.5 



81.0 



7.5 



14 



.565 



.609 



.508 



.101 



83.3 



88.0 



79.0 



8.4 



15 



.545 



.586 



.479 



.107 



83.5 



87.0 



80.8 



6.2 



16 



J67 



.628 



.522 



.106 



83.4 



86.0 



8L0 



5.0 



17 



.602 



.663 



.544 



.119 



82.3 



85.9 



79.7 



6.2 



■18 



.599 



.654 



.528 



.126 



83.3 



87.2 



81.0 



6.2 



19 



.530 



.500 



.457 



.133 



85.0 



89.5 



81.0 



8.5 



20 



.468 



.507 



.390 



.117 



86.3 



92.5 



83.2 



9.3 



21 



.495 



.536 



.452 



.081 



85.4 



91.4 



83.0 



8.4 



22 



.513 



.576 



.450 



.126 



83.6 



87.0 



81.0 



6.0 



23 



.582 



.639 



.525 



.114 



81.9 



84.0 



80.0 



4.0 



24 



.632 



.671 



.593 



.078 



83.8 



87.7 



79.5 



8.2 



25 



.613 



.660 



.537 



.123 



83.9 



87,7 



80.6 



7.1 



26 



.562 



.613 



.501 



.112 



83.4 



87.1 



81.5 



5.6 



27 



.552 



.608 



.497 



.111 



82.5 



85.5 



80.0 



5.5 



28 



.574 



.637 



.513 



.124 



82,9 



87.7 



79.7 



8.0 



29 



.618 



.670 



.575 



.095 



81.8 



•83.6 



78.9 



7.7 



30 



.644 



.696 



.601 



.095 



82,7 



87.3 



78.0 



9.3 



31 



.636 



.698 



.557 



.141 



i 



€3.6 



88.5 



80.2 



• 8.S 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 

 Ihermometer Means are derived, from the hourly observations, made during 



