Meteorological Ohservathus, 



Ixlx 



Abstract of the llesults of the Hourly Meteorological Ohaervationn 



taken at the Survez/or General's OJlce, Calcutta^ 



in the month of Sej^temher 1874. 



Latitude 22° 83' V Noi'tli. Longitude 88° 20' M" East. 



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



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



dependent thereon. 







Eange 



of the Ba 



rometer 



3 O 



Eange 



of the Tempera- 





r-j O H-3 

 TV, S r^ 



during the c 



ay. 



W| 



ture during the day„ 













l| 









Date. 

















^ W'M 









^ SI 













Max. 



Min. 



DifF. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



•Inches. 



o 



o 







o 



1 



29.700 



29.760 



29.634 



0.126 



86.5 



92.0 



81.5 



10.5 



2 



.745 



.804 



.663 



.141 



85.9 



91.5 



81.5 



10.0 



3 



.738 



.793 



.654 



.139 



85.7 



91.6 



81.7 



9.9 



4 



.733 



.785 



.657 



.128 



83.5 



89.8 



77.5 



12.3 



6 



.740 



.796 



.671 



.125 



84.4 



91.2 



81.8 



9.4 



6 



.727 



.783 



.654 



.129 



81.9 



89.5 



78.0 



11.5 



7 



.710 



.770 



.636 



.134 



81.5 



87.0 



79.0 



8.0 



8 



.697 



.750 



.639 



.111 



82.2 



88.7 



80.0 



8.7 



9 



.768 



.836 



.701 



.135 



79.0 



80.4 



77.3 



3.1 



iO 



.818 



.858 



.779 



.079 



79.2 



84.5 



76.5 



8.0 



11 



.816 



.869 



.760 



.109 



78.8 



80.6 



75.5 



5.1 



12 



.772 



.825 



.717 



.108 



80.5 



82.5 



77.5 



5.0 



13 



.737 



.787 



.675 



.112 



81.9 



86.5 



79.9 



Q.Q 



14 



.711 



.753 



.643 



.110 



83.5 



87.6 



80.3 



7.3 



15 



.731 



.786 



.668 



.118 



83.4 



89.0 



79.5 



9.5 



16 



.759 



.816 



.696 



.120 



83.0 



87.0 



80.5 



6.5 



17 



.726 



.786 



.645 



.141 



83.7 



90.5 



79.5 



11.0 



18 



SoQ 



.718 



.580 



.138 



84.4 



90.0 



80.0 



10.0 



19 



.662 



.714 



.601 



.113 



84.0 



90.3 



81.0 



9.3 



20 



.696 



.768 



.635 



.133 



84.8 



91.7 



80.5 



11.2 



21 



.642 



.701 



.557 



.144 



85.4 



91.6 



81.0 



10.6 



22 



.647 



.724 



.569 



.155 



86.8 



93.7 



81.5 



12.2 



23 



.604 



.657 



.517 



.140 



84.9 



91.8 



81.5 



10.3 



24 



.695 



.651 



.545 



.106 



81.3 



85.5 



79.0 



6.5 



25 



.632 



.689 



.581 



.108 



80.8 



83.8 



78.5 



5.3 



26 



.711 



.779 



.651 



.128 



79.1 



81.0 



77.5 



3.5 



27 



.734 



.790 



.679 



.111 



82.9 



88.5 



78.4 



10.1 



28 



.722 



.790 



.653 



.137 



83.2 



87.5 



80.0 



7.5 



29 



.682 



.746 



.610 



.136 



83.0 



87.5 



80.0 



7.5 



30 



.646 



.696 



.582 



.114 



80.9 



87-5 



77.2 



10.3 



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

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

 several hours during the day. 



