Meteorological Observations. 



lxxiii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General } s Office, Calcutta, 



in the month of October, 1857. 



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



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.1 1 



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

 dependent thereon. 





Height of 

 Barometer 

 52° Faht. 



Range 

 du 



of the Barometer 

 ■ing the day. 



5 * 



n » 



Range of the Tempera- 

 ture during the day. 











p a 







Date. 

















cm" 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



1 



29.753 



29.801 



29.681 



0.120 



83.5 



90.7 



76.4 



14.3 



2 



.760 



.817 



.694 



.123 



84.9 



91.2 



79.0 



12.2 



3 



.784 



.838 



.725 



.113 



84.5 



90.7 



79.9 



10.8 



4 

 5 



Sunday. 

 .839 



.895 



.778 



.117 



84.8 



91.8 



81.2 



10.6 



6 



.832 



.897 



.776 



.121 



82.1 



87.9 



79.0 



8.9 



7 



.819 



.869 



.771 



.098 



81.7 



88.0 



78.2 



9.8 



8 



.861 



.916 



.813 



.103 



82.8 



88.2 



77.7 



10.5 



9 



.912 



.997 



.853 



.144 



81.2 



87.8 



77.8 



10.0 



10 



.891 



.967 



.822 



.145 



83.0 



88.7 



78.2 



10.5 



11 

 12 



Sunday. 

 .882 



.955 



.814 



.141 



83.0 



88.1 



78.4 



9.7 



13 



.922 



30.000 



.856 



.144 



82.9 



89.2 



78.1 



11.1 



14 



.959 



.040 



.914 



.126 



82.2 



87.9 



76.9 



11.0 



15 



.935 



.020 



.847 



.173 



81.9 



88.7 



75.8 



12.9 



16 



.870 



29.946 



.793 



.153 



82.9 



89.0 



76.8 



12.2 



17 



.856 



.938 



.800 



.138 



82.9 



88.3 



79.6 



8.7 



18 

 19 



Sunday. 

 .890 



.969 



.833 



.136 



84.1 



89.8 



80.0 



9.8 



20 



.906 



.982 



.854 



.128 



81.7 



88.0 



76.2 



11.8 



21 



.933 



30.003 



.877 



.126 



80.1 



87.4 



73.2 



14.2 



22 



.942 



.014 



.886 



.128 



80.4 



87.7 



73.8 



13.9 



23 



.914 



29.973 



.842 



.131 



80.9 



87.2 



75.0 



12.2 



24 



.885 



.956 



.831 



.125 



81.6 



87.0 



77.2 



9.8 



25 

 26 



Sunday. 

 .934 



.978 



.892 



.086 



77.3 



79.5 



73.6 



5.9 



27 



.890 



.961 



.819 



.142 



77.9 



82.0 



73.7 



8.3 



28 



.826 



.891 



.761 



.130 



77.9 



83.0 



73.6 



9.4 



29 



.825 



.884 



.768 



.116 



78.3 



84.0 



72.2 



11.8 



30 



.844 



.919 



.790 



.129 



79.5 



87.1 



74.6 



12.5 



31 



.831 



.903 



.770 



.133 



80.0 



86.8 



75.2 



11.6 



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

 1 liermometers are derived, from the twenty-four hourly observations made, during 

 tl le day. 



