Meteorological Observations. 



hi 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the mouth of August 1875. 



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



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



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



dependent thereon. 





o *-* 



Range 



of the Barometer 





Range 



of the Tempera- 





-| 01 -u> 



WjS o 



during the ( 



ay. 



p a 



tare < 



luring the 



' day., 



Date 

















3 



Max. 



Miu. 



Diff. 



03 2} 



Max. 



Min. 



DilF 





Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



1 



29.603 



29.657 



29.544 



0.113 



80.4 



83.0 



77.4 



5.6 



2 



.627 



.676 



.569 



.107 



81.8 



86.9 



77.0 



99 



3 



.616 



.660 



.553 



.107 



80.6 



84.5 



77.8 



67 



4 



.589 



.641 



.518 



.123 



82.2 



87.3 



77.4 



9.9 



5 



.568 



.624 



.522 



.102 



82.1 



85.3 



80.0 



5.3 



6 



.604 



.677 



.546 



.131 



81.5 



84.5 



79.0 



5.5 



7 



.618 



.703 



.599 



.104 



81.7 



87.8 



79.0 



8.8 



8 



.609 



.664 



.544 



.120 



82.1 



87.0 



78.3 



8.7 



9 



.621 



.6S4 



.569 



.115 



81.5 



86.4 



78.5 



7 9 



10 



.678 



.742 



.615 



.127 



82.3 



87.4 



79.0 



8.4 



11 



.641 



.696 



.539 



.157 



83.1 



88.1 



80.0 



8.1 



12 



.607 



.666 



.543 



.123 



84.3 



91.4 



79.8 



11.6 



13 



.559 



.618 



.458 



.160 



84.9 



90.7 



80.5 



10.2 



11 



.528 



.576 



.463 



.113 



83.6 



87.9 



80.0 



7.9 



15 



.526 



.576 



.466 



.110 



83.1 



88.7 



80.0 



8.7 



16 



.551 



.601 



.494 



.107 



83.7 



88.5 



79.5 



9.0 



17 



.550 



.603 



.479 



.124 



81.3 



89.8 



81.0 



S.8 



18 



.537 



.591 



.463 



.128 



83.2 



86.0 



81.5 



4.5 



19 



.576 



.336 



.523 



.113 



83.0 



88.0 



81.0 



7.0 



20 



.622 



.671 



.568 



.103 



83.6 



90.2 



80.5 



9.7 



21 



.626 



.695 



.553 



.142 



83.6 



89.5 



80.2 



9.3 



22 



.601 



.643 



.549 



.094 



82.8 



85.5 



80.8 



4.7 



23 



.582 



.06 



.525 



.121 



82.3 



80. 



79.0 



7.0 



21 



.604 



.687 



.511, 



.143 



82.4 



85.5 



79.2 



6.3 



25 



.679 



.723 



.030 



.093 



81.0 



87.0 



7i».o 



8.0 



20 



.676 



.737 



.608 



• .129 



81.0 



87.4 



76.9 



10.5 



27 



.669 



.728 



.597 



.131 



S2.6 



87.0 



79.0 



8.0 



28 



.676 



.721 



.608 



.113 



83.4 



88.2 



80.5 



7.7 



2!) 



.712 



.770 



.641 



.121) 



84.2 



90.5 



80.7 



9.8 



30 



.7!:! 



.sot 



.075 



.129 



8 1,5 



90.6 



81.4 



9.1 



31 



•723 



.788 



.651 



.137 



84.4 



90.5 



81.2 



9.3 



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

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

 several hours during the day. 



