Meteorological Observations. ix 



Abstract of the Besults of the Hourly Meteorological Observatiosn 



taken at the Surveyor General' '* Office, Calcutta, 



in the month of 'February, 1864. 



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. 





o S 



« S -p 



Range of the Barometer 



b'l 



Range of the Tern 



pera- 





Si'! 



during the db 



i y- 



ture during the 



day. 





£«°„ 









q a 









Date. 

















a u *° 



cd J3 -p 



Max. 



Min. 



Diff. 



g j§ 



Max. 



Min. 



Diff. 





a 









1 











Inches. 



Indies. 



Inches. 



Inches. 



o 



o 











1 



30.074 ' 



30.155 



30.015 



0.140 



68.0 



78.4 



58.8 



19.6 



2 



.111 



.183 



.060 



.123 



69.8 



78.4 



63.6 



14.8 



3 



.120 



.193 



.055 



.138 



71.8 



80.8 



64.8 



16.0 



4 



.132 



.213 



.072 



.141 



71.8 



81.2 



65.2 



16.0 



5 



.136 



.234 



.057 



.177 



68.3 



79.2 



58.8 



20.4 



6 



.108 



.190 



.027 



.163 



68.2 



80.4 



57.8 



22.6 



7 



Sunday. 

















8 



.034 



.121 



29.967 



.154 



71.7 



82.5 



64.0 



18.5 



9 



.029 



.119 



.969 



.150 



73.5 



83.4 



660 



17.4 



10 



.014 



.085 



.944 



.141 



74.0 



84.2 



67.6 



16.6 



11 



29.996 



.062 



.931 



.131 



74,6 



85.6 



66.3 



19.3 



12 



30.015 



.082 



.966 



.116 



74.7 " 



85.1 



67.4 



17.7 



13 



29.958 



.048 



.881 



.167 



75.6 



87.8 



68.4 



19.4 



14 



Sunday. 







« 











15 



.822 



29.899 



.768 



.131 



76.0 



85.2 



68.6 



16.6 



16 



.775 



.852 



.696 



.156 



75.7 



83.2 



69.6 



13.6 



17 



.734 



.798 



.622 



.176 



76.0 



82.4 



69.6 



12.8 



18 



.847 



.927 



.792 



.135 



65.5 



72.2 



61.2 



11.0 



19 



.839 



.898 



.779 



.119 



67.2 



77.2 



57.6 



19.6 



20 



.867 



.940 



.811 



.129 



70.9 



80.6 



62.6 



18.0 



21 



Sunday. 

















22 



.965 



30.037 



.903 



.134 



71.3 



80.6 



62.2 



18.4 



23 



.868 



29.953 



.798 



.155 



74.3 



82.2 



68.6 



13.6 



24 



.799 



.879 



.713 



.166 



76.0 



84.2 



69.5 



14.7 



25 



.791 



.884 



.734 



.150 



74.1 



81.8 



67.6 



14.2 



26 



.824 



.911 



.770 



.141 



74.5 



83.8 



65.6 



18.2 



27 



.806 



.893 



.745 



.148 



75.5 



84.2 



69.2 



15.0 



28 



Sunday. 

















29 



.821 



.900 



.752 



.148 



78.4 



87.2 



70.6 



16,6 



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

 mometer Means are derived from the hourly Observations made during the day. 



