Meteor olog lea I Ohserva flons. 



xxxm 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Sut veyor General's OJi< e, Calcutta, 



in, the month of Hay 1807. 



Latitude 22° 33' 1" North. Longitude 88° 20' 31" East 



Height of the Cistern of tlie Standard Barometer above (lie sea level, 18.11 feet, 



Daily Means, <fcc. of the Observations and of the Hygrometrical elements 

 dependent thereon. 







Range of tlie Barometer 

 during the day. 



.3 



Range of the Tempera- 

 ture during the day. 





— - R n 

 «§1 

















Date. 

















3 r~ 



Max. 



Min. 



I)i(T. 



3 £ 



Max. 



Min. 



Diff. 





%r* 



















Inches. 



Inches. 



Lnches. 



Indus. 



o 



o 











1 



29.735 



29.803 



29.649 



0.154 



88.3 



99.8 



78.3 



21.5 



2 



.750 



.834 



.651 



.183 



88.2 



99.0 



80.8 



18.2 



3 



.753 



.834 



.678 



.156 



87.6 



99.0 



78.0 



21.0 



4 



.727 



.802 



.636 



.106 



89.6 



100.6 



82.2 



18.4 



5 



.681 



.746 



.689 



.157 



90.2 



103.9 



81.0 



22.9 



6 



.670 



.710 



.605 



.135 





100.2 





19.2 



7 



.653 



.717 



.58 J 



.ISO 



88.4 





81.0 



16.4 



8 



M L 



.737 





.162 







s! 2 



16.4 



9 



.636 



.692 



..-.,;! 



.128 



88.0 



96.0 



82.2 



13.8 



10 



.725 



.825 





.172 



87.3 



95.0 



80.8 



14.2 



11 



.773 



.838 



.092 



.146 



81.7 



94.5 



76.6 



17.9 



12 



.741 



.802 



.671 



.131 



7(5.9 



79.3 



76.0 



3.3 



13 



.674 



.729 



.608 



.121 



78.2 



86.4 



72.5 



13.9 



14 



.680 



.732 



.623 



.109 



81.5 



90.0 



74.6 



15.4 



15 



.681 



.745 



.611 



.131 



85.0 



94.0 



77.4 



16.6 



16 



.660 



.720 



.608 



.112 



83.4 



88.4 



80.2 



8.2 



17 



.674 



.729 



.6')! 



.128 



86.1 



90.4 



77.8 



18.6 



18 



.660 



.715 



.oSi) 



.120 



89.6 



101.0 



81.2 



19.8 



19 



.638 



.719 



.545 



.174 



88.8 



99.2 



80.0 



19.2 



20 



.644 



.696 



.589 



.107 



89.2 



98.8 



81.0 



17.8 



21 



.668 



.730 



.599 



.131 



89.3 



98.6 



82.6 



16.0 



22 



.641 



.704 



.530 



.168 



87.7 



98.4 



81.0 



17.4 



23 



.579 



.632 



.507 



.125 



87.6 



95.4 



81.2 



14.2 



24 



.561 



.613 



.489 



.124 



90.0 



99.0 



83.0 



16.0 



25 



.488 



.541 



.419 



.122 



91.5 



99.0 



86.0 



13.0 



26 



.433 



.481 



.374 



.107 



92.5 



102.2 



80. 



16.2 



27 



.451 



.511 



.401 



.110 



92.5 



106-0 



85.5 



20.5 



28 



.494 



.552 



.407 



.145 



62.2 



103.8 



80.0 



17.8 



29 



.529 



.585 



.441 



.144 



91.6 



100-7 



85.4 



15.3 



30 



.555 



.614 



.469 



.145 



89.5 



99-2 



81.0 



18.2 



31 



.593 



.642 



.507 



.135 



88.4 



101-6 



81.2 



20.4 



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

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

 the day. 



