Meteorological Observations. 



Abstract of the JResults of the Hourly Meteorological Observations 



taken at the Surveyor General 1 s Office, Calcutta, 



in the month of October, 1856. 



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. 





t of 



eter 



it. 



Range of the Barometer 



W 2 



Range of the Tempera- 





^ S -3 

 .2° °fa 



during the d 



*y- 





ture during the day. 





5* 















Date. 

















B a? 



Max. 



Min. 



Diff. 



a r. 



Max. 



Min. 



Diff. 





S3 









s 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



1 



29.840 



29.894 



29.779 



0.115 



80.9 



86.2 



78.4 



7.8 



2 



.811 



.885 



*741 



.144 



81.5 



87.0 



77.6 



9.4 



3 



.762 



.833 



.703 



.130 



81.2 



84.1 



79.0 



51 



4 



.735 



.807 



.655 



.152 



83.6 



88.6 



79.3 



9.3 



5 



Sunday. 

















6 



.714 



.793 



.655 



.138 



85.1 



90.4 



81.6 



8.8 



7 



.738 



.788 



.699 



.089 



82.8 



89.0 



79.0 



10.0 



8 



.779 



.840 



.724 



.116 



814 



87.6 



79.0 



8.6 



9 



.771 



.850 



.684 



.166 



83.7 



89.2 



79.3 



9.9 



10 



.698 



.784 



.638 



.146 



78.8 



82.4 



76.2 



6.2 



11 



.624 



.673 



.577 



.096 



81.3 



85.0 



77.0 



80 



12 



Sunday. 

















13 



.758 



.815 



.713 



.102 



81.9 



85.8 



78.6 



7.2 



14 



.799 



.853 



.753 



.100 



82.7 



88.0 



79,3 



8.7 



15 



.846 



.906 



.788 



.118 



82.6 



87.8 



79.3 



8.5 



16 



.844 



.918 



.777 



.141 



84.1 



89.4 



79.4 



10.0 



17 



.831 



.893 



.778 



.115 



83.1 



86.9 



80.0 



09 



18 



.830 



.907 



.766 



.141 



81.4 



87.1 •' 



77.0 



10.1 



19 



Sunday 

















20 



.719 



.785 



.660 



.125 



80.0 



86.6 



74.4 



12.2 



21 



.738 



.801 



.696 



.105 



79.4 



84.8 



74 1 



10.7 



22 



.738 



.799 



.684 



.115 



79 6 



84.8 



74.4 



10.4 



23 



.771 



.834 



.723 



.111 



77.7 



83.4 



72.0 



11.4 



24 



.823 



.884 



.772 



.112 



76.9 



80.4 



74.2 



6.2 



25 



.887 



.951 



.838 



.113 



77.4 



82.8 



73.0 



9.8 



26 



Sunday. 

















27 



.918 



.982 



.852 



.130 



80.0 



86.0 



74.8 



11.2 



28 



.893 



.972 



.831 



.141 



80 5 



87.0 



74.3 



12 7 



29 



.829 



.898 



.760 



.138 



81.3 



87.5 



76.4 



11.1 



30 



.817 



.868 



.763 



.105 



80 4 



88.6 



76.6 



12.0 



31 



.894 



.966 



.812 



.154 



76.7 



79.6 



74.9 



4.7 



The Mean height of the Barometer, as likewise the Mean dry and wet Bulb 

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

 the day. 



