Meteorological Observations. 



lvii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General' s Office, Calcutta, 



in the month of August, 1864. 



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. 







O 03 



Range of the Barometer 

 during the day. 



~ 'i 



hi 



Range of the Tern 

 ture during the 



pera- 



day. 





§ PQoi 









A § 









Date. 



















Max. 



Min. 



Diff. 



gj§ 



Max. 



Min. 



Diff. 





i" 









f 











Indies. 



Inches. 



Inches. 



Inches. 







o 







o 



1 



29.555 1 



29.603 



29.479 



0.124 



82.9 



89.2 



78.4 



10.8 



2 



.537 



.587 



.480 



.107 



83.6 



88.0 



80.0 



8.0 



3 



.538 



.582 



,462 



.120 



82.0 



87.1 



78.4 



8,7 



4 



.564 



.607 



.524 



.083 



82.0 



85.8 . 



79.7 



6.1 



5 



.545 



.581 



.500 



.081 



81.8 



85.6 



80.0 



5.6 



6 



.491 



.549 



.422 



.127 



82.8 



86.6 



80.4 



6.2 



7 



Sunday. 

















8 



.435 



.555 



.377 



.178 



80.6 



84.4 



79.0 



5.4 



9 



.575 



.621 



.531 



.090 



80.6 



82.0 



78.0 



40 



10 



.580 



.616 



.541 



.075 



81.7 



83,9 



80.0 



3.9 



11 



.551 



.614 



.481 



.133 



84.8 



90.0 



802 



9,8 



12 



.466 



.535 



.373 



.162 



83.6 



86.2 



81.2 



5.0 



13 



.371 



.446 



.269 



.177 



81.8 



85.8 



79.0 



6.8 



14 



Sunday. 

















15 



.688 



.748 



.640 



.108 



82.7 



87.6 



78.6 



9.0 



16 



.665 



.729 



.599 



.130 



84.5 



89.6 



81.0 



8.6 



17 



.656 



.705 



.611 



.094 



85.5 



90.2 



82.0 



8.2 



18 



.671 



.719 



.617 



.102 



85.6 



88.6 



83.7 



4.9 



19 



.674 



.725 



.617 



.108 



85.1 



88.4 



81.8 



6.Q 



20 



.709 



.771 



.637 



.134 



82.8 



86.2 



79.6 



6.6 



21 



Sunday. 

















22 



.748 



.798 



.673 



.125 



81.7 



87.3 



'77.0 



10.3 



23 



.718 



.791 



.645 



.146 



82.5 



87,0 



78.2 



8.8 



24 



.712 



.764 



.651 



.113 



83.4 



87.6 



79.2 



8.4 



25 



.743 



.798 



.689 



.109 



83.4 



89.4 



79.4 



10.0 



26 



.748 



.806 



.683 



.123 



84.1 



89.6 



80.2 



9.4 



27 



.721 



.778 



.648 



.130 



85.1 



91.0 



81.2 



9.8 



28 



Sunday. 

















29 



.742 



.810 



.667 



.143 



85.7 



90.4 



81..8 



8.6 



30 



.702 



.767 



.612 



.155 



86.9 



92.2 



81.8 



10.4 



31 



.694 



.720 



.617 



.103 



81.9 



86.6 



79.2 



7.4 



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

 mometer Means are derived, from the hourly Observations made during the day. 



