Meteorological Observations. 



xlix 



Abstract of the Results of the Sourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of July, 1858. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.11 



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

 dependent thereon. 







Range of the Barometer 



"5 « 



Range of the Tempera- 





sigh 



Oil] 



Fal 



during the da 



y- 





ture during the 



day. 





p- pa <m 



CO 









q a 



















| 





0) 



4-> 



93 



W 5 « 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 



Q 



1 " 









*^\ 











Inches. 



Inches. 



Inches. 



Inches. 



o 







o 



o 



1 



29.573 



29.623 



29.519 



0.104 



85.1 



90.3 



78.4 



11.9 



2 



.586 



.624 



.528 



.096 



85.3 



93.1 



78.2 



14.9 



3 



.585 



.646 



.534 



.112 



85.8 



91.8 



81.8 



10.0 



4 



Sunday. 

















5 



.546 



.592 



.488 



.104 



84.3 



91.4 



81.2 



10.2 



6 



.546 



.618 



.467 



.151 



85.2 



93.7 



81.0 



12.7 



7 



.581 



.624 



.532 



.092 



84.7 



92.0 



80.4 



11.6 



8 



.611 



.655 



.569 



.086 



84.2 



88.6 



81.6 



7.0 



9 



.649 



.693 



.600 



.093 



84.3 



89.6 



81.2 



8.4 



10 



.628 



.677 



.538 



.139 



85.3 



91.8 



80.9 



10.9 



11 



Sunday. 

















12 



.519 



.571 



.433 



.138 



84.0 



90.0 



80.6 



9.4 



13 



.496 



.540 



.435 



.105 



83.4 



88.2 



80. 2 



8.0 



14 



.526 



.558 



.478 



.080 



81.4 



84,8 



79.2 



5.6 



15 



.524 



.569 



.462 



.107 



83.3 



88.0 



79.2 



8.8 



16 



.596 



.657 



.545 



.112 



81.3 



85.9 



79.2 



6.7 



.17 



.641 



.690 



.579 



.111 



83.6 



88.8 



79.0 



9.8 



18 



Sunday. 

















19 



.513 



.591 



.422 



.169 



84.6 



91.2 



79.8 



11.4 



20 



.526 



.599 



.470 



.129 



83.7 



89.8 



80.8 



9.0 



21 



.575 



.618 



.534 



.084 



83.9 



90.8 



81.0 



9.8 



22 



.563 



.608 



.508 



.100 



82.1 



87.8 



79.8 



8.0 



23 



.507 



.585 



.416 



.169 



79.9 



81.8 



78.0 



3.8 



24 



.356 



.454 



.263 



.191 



81.2 



83.4 



80.0 



3.4 



25 



Sunday. 

















26 



.485 



.570 



.430 



.140 



82.5 



85.4 



80.0 



5.4 



27 



.591 



.635 



.547 



.088 



84.0 



87.6 



81.9 



5.7 



28 



.627 



.668 



.578 



.090 



84.7 



90.5 



80.6 



9.9 



29 



.634 



.673 



.567 



.106 



85.7 



91.2 



81.4 



9.8 



30 



.633 



.687 



.577 



.110 



86.0 



92.0 



80.2 



11.8 



31 



.674 



.724 



.617 



.107 



82.6 



85.5 



81.4 



4.1 



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

 Thermometers, are derived from the twenty-four hourly observations made during 

 the day. 



