Meteorological Observations. 



lxv 



Abstract of the Results of tlie Hourly Meteorological Observations 



talcen at the Surveyor General's Office, Calcutta, 



in the month of February, 1860. 



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. 





=~ i_ 















— • 







Range 



of the Barometer 



~5 £ 



Range of the Tempera- 





J)|| 



during the day. 



B,| 



ture during the 



day. 





ITT" 3 3 



03 (3 cq 









B v 























(J 



S _2 ■ JJ 



Max. 



Min. 



Diff. 



a J3 



Max. 



Min. 



Diff. 



Q 



1" 









<£> 











Inches. 



Inches. 



Inches. 



Indies. 



O 



o 











1 



29.954 



30.031 



29.887 



0.144 



73.0 



85.3 



64.2 



21.1 



2 



.955 



.030 



.887 



.143 



72.7 



80.6 



69.0 



11.6 



3 



.977 



.047 



.918 



.129 



73.6 



82.8 



66.2 



16.6 



4 



.985 



.078 



.915 



.163 



74.6 



82.0 



69.4 



12.6 



5 



Sunday. 

















6 



.946 



.023 



.872 



.151 



76.9 



85.6 



71.8 



13.8 



7 



•977 



.052 



.925 



.127 



75.8 



84.0 



70.6 



13.4 



8 



.945 



.035 



.879 



.156 



73.1 



83.4 



65.0 



18.4 



9 



.886 



29.954 



.822 



.132 



75.1 



84.6 



68.0 



16.6 



10 



.898 



.970 



.820 



.150 



75.8 



84.2 



68.8 



15.4 



11 



.905 



.983 



.834 



.149 



76.0 



84.6 



68.6 



16.0 



12 



Sunday. 

















13 



.912 



30.001 



.832 



.169 



74.1 



83.4 



66.6 



16.8 



14 



.893 



29.973 



.825 



.148 



74.8 



85.7 



65.2 



20.5 



15 



.961 



30.042 



.905 



.137 



77.4 



87.5 



68.6 



18.9 



16 



30.006 



.086 



.947 



.139 



78.3 



88.2 



69.6 



18.6 



17 



.004 



.095 



.937 



.158 



78.9 



88.2 



70.8 



17.4 



18 



29.912 



29.994 



.826 



.168 



78.6 



88.6 



69.2 



19.4 



19 



Sunday. 

















20 



.922 



30.001 



.851 



.150 



76.9 



84.7 



72.2 



12.5 



21 



.962 



.054 



.890 



.164 



75.1 



86.0 



65.0 



21.0 



22 



.887 



29.973 



.808 



.165 



73.7 



85.6 



63.6 



22.0 



23 



.877 



.956 



.826 



.130 



74.9 



86.5 



64.0 



22.5 



24 



.866 



.947 



.803 



.144 



76.4 



88.0 



65.8 



22.2 



25 



.856 



.941 



.788 



.153 



75.7 



84.2 



70.9 



13.3 



26 



Sunday. 

















27 



.831 



.919 



.782 



.137 



74.8 



86.2 



63.9 



22.3 



28 



.772 



.844 



.690 



.154 



79.8 



93.4 



69.0 



24.4 



29 



.743 



.815 



.688 



.127 



78.2 



87.6 



71.0 



16.6 



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

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

 the day. 



