Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of April 1875. 



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



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



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



dependent thereon. 





■-w 









^ 











1 °3 



liange 



of the Ba 



rometer 



^ ^ 



liange 



of tlieT 



Miipera- 







chiring the ( 



ay. 



F3 3 



tnre 



hiring the day.. 





M 3 H 

 i _ 1— 1 'M 









ft 2 









Date 

















1 <u m 



Max. 



Min. 



1 Did. 



a. ■—* 



Max. 



Min. 



Dill 





1 ^ 









%^ 











Inches. 



Inches. 



: Inches. 



Inches. 



O 



o 



o 



o 



1 



29.793 



29.861 



| 29.713 



0.148 



83.6 



93.0 



77.0 



16.0 



2 



.802 



.861 



.735 



.126 



83.3 



91.5 



76.7 



! 14.8 



3 



.818 



.881, 



.766 



.118 



83.0 



92.5 



75.0 



! 17.5 



4 



.824 



.912 



.753 



.159 



84.2 



94.6 



77.0 



17.6 



5 



.802 



.872 



.700 



.172 



84.9 



93.8 



78.5 



15.3 



6 



.767 



.837 



.705 



.132 



83.1 



92.8 



• 74.0 



[ 18.8 



7 



.710 



.772 



.628 



.144 



86.0 



96.0 



78.2 



17.8 



8 



.689 



.708 



.(515 



.153 



87.2 



100.0 



77.8 



22.2 



9 



.672 



.744 



.604 



.140 



87.5 



100.0 



78.5 



21.5 



10 



.672 



.743 



.597 



.146 



88.2 



102.0 



79.0 



23.0 



11 



.696 



.776 



.622 



.154 



88.1 



100.0 



80.5 



19.5 



12 



.684 



.760 



.607 



.153 



87.9 



99.0 



8-r.o 



18.0 



13 



.673 



.739 



.603 



.136 



87.8 



98.4 



80.3 



18.1 



11, 



.703 



.775 



.640 



.135 



87.8 



99.4 



80.0 



19.4 



15 



.719 



.798 



.660 



.138 



87.7 



98.8 



80.0 



18.8 



10 



.706 



.815 



.608 



.207 



88.5 



101.5 



80.0 



21.5 



17 



.671 



.762 



. .588 



.174 



89.4 



102.5 



80.5 



22.0 



IS 



.685 



.745 



.623 



.122 



89.1 ■ 



102.2 



81.3 



20.9 



]'.) 



.756 



.829 



.690 



.139 



88.1 



99.7 



80.0 



19.7 



20 



.773 



.811 



.712 



.132 



84.8 



91.8 



81.5 



10.3 



21 



.733 



.796 



.659 



.137 



85.3 



93.0 



80.0 



13.0 



22 



.749 



.814 



.666 



.148 



83.1 



90.0 



76.0 



14.G 



23 



.716 



.782 



.648 



.134 



81.2 



92.0 



73.3 



18.7 



24 



.626 



.705 



.530 



.175 



84.3 



93.8 



76.0 



17.8 



25 



. .579 



.635 



.488 



.147 



84.5 



9,5.7 



75.0 



20.7 



26 



.593 



.641 



.535 



. .106 



81.1 



92.5 



74.5 



18.0 



27 



a;sa 



.680 



.568 



.118 



78.6 



88.2 



73.6 



14.6 



28 



.639 



.705 



.581 



.124 



80.5 



88.9 



7:!. 9 



15.0 



29 



.635 



.(192 



.572 



.120 



85.7 



93.0 



80.5 



12.5 



30 



.650 



.720 



.588 



.132 



86.2 



91.6 



82.8 



8.8 



The Mean tleiglil of the Barometer, as likewise the Dry and Wet I3nlb 

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

 several houi . during the day. 



