Meteorological Observations. ix 



Abstract of tlie Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of February, 1857. 



Latitude 22° 33' 1" North. Longitude 88° 20' 24" 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. 







Range 



of the Barometer 



a 2 



Range of the Tempera- 





■eigb 

 iron- 

 Fall 



daring the d 



ay- 



pq g 



ture during the 



day. 





*co^ 









o a 

























C 1)^ 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 



Q 



S 









t<, 











Inches. 



Inches. 



Inches. 



Inches. 











o 







1 



Sunday. 

















2 



29.903 



29.987 



29.850 



0.137 



74.5 



83.6 



67.2 



16.4 



3 



.915 



30,001 



.845 



.156 



73.1 



84.2 



63.2 



21.0 



4 



.914 



29.989 



.853 



.136 



75.4 



86.0 



68.0 



18.0 



5 



.928 



30.006 



.858 



.148 



72.5 



80.8 



65.6 



15,2 



6 



.985 



.082 



.926 



.156 



70.2 



78.9 



62.8 



16.1 



7 



.977 



.078 



.912 



.166 



70.1 



79.0 



62.2 



16.8 



8 



Sunday. 

















9 



.906 



29.983 



.856 



.127 



72.3 



84,4 



62.4 



22 



10 



.956 



30.043 



.906 



.137 



73.1 



82.6 



65.0 



17.6 



11 



.945 



.038 



.881 



.157 



71.6 



81.1 



64.4 



16.7 



12 



.923 



.021 



.858 



.163 



69.9 



79.8 



62.0 



17.8 



13 



.879 



29.961 



.798 



.163 



71.0 



82.4 



60.5 



21.9 



14 



.869 



.947 



.807 



.140 



73.3 



84.2 



63.6 



20.6 



15 



Sunday. 

















16 



.890 



.968 



.829 



.139 



77.9 



86.0 



72.0 



14.0 



17 



.903 



.985 



.847 



.138 



77.7 



87.2 



716 



15.6 



18 



.962 



30.043 



.909 



.134 



77.2 



85.8 



71.6 



14.2 



19 



.951 



.049 



.862 



.187 



76.1 



86.1 



69.4 



16.7 



20 



.902 



29.995 



.819 



.176 



75.6 



86.0 



66.0 



20.0 



21 



.832 



.908 



.757 



.151 



77.2 



86.0 



70.8 



15.2 



22 



Sunday. 

















23 



.774 



.862 



.711 



.151 



78.4 



89.8 



69.3 



20.5 



24 



.817 



.904 



.760 



.144 



77.2 



87.8 



68.2 



19.6 



25 



.805 



.874 



.735 



.139 



78.6 



87.9 



70.0 



17.9 



26 



.794 



.872 



.727 



.145 



79.3 



88.8 



72.6 



16.2 



27 



.775 



.846 



.697 



.149 



79.2 



88.4 



71.2 



17.2 



28 



.779 



.851 



.711 



.140 



79.4 



89.7 



71.8 



17.9 



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

 Thermometers are derived from the twenty-four hourly observations made during 

 the day. 



