Meteorological Observations. 



xli 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of December, 1862. 



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. 





<4-l i- 



















O <D 



Range 



of the Barometer 





Range o 



" the Te 



npera- 







during the d 



ay. 



>> 5 



ture during the 



day. 





33 CQ 03 

 15 "2 « 









Q 1 









<u 



Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 



c3 



Q 



1 " 









3 











Inches. 



Inches. 



Inches. 



Inches. 















o 



1 



29.963 



30.017 



29.909 



0.108 



70.7 



79.8 



63.0 



16.8 



2 



30.039 



.127 



.981 



.146 



69.5 



78.6 



62.7 



15.9 



3 



.039 



.110 



.987 



.123 



67.5 



77.0 



60.1 



16.9 



4 



.015 



.090 



.959 



.131 



68.6 



77.4 



60.2 



17.2 



5 



29.979 



.047 



.910 



.137 



69.3 



782 



62.6 



15.6 



6 



.953 



.032 



.903 



.129 



67.9 



76.9 



61.4 



15.5 



7 



Sunday. 

















8 



.987 



.058 



.947 



•111 



66.3 



75.5 



58.9 



16.6 



9 



.942 



.008 



.869 



.139 



63.6 



73.0 



55.4 



17.6 



10 



.924 



29.986 



.865 



.121 



615 



74.5 



55.4 



19.1 



11 



.967 



30.038 



.916 



.122 



65.0 



75.8 



56.8 



19.0 



12 



.968 



.043 



.904 



.139 



65.6 



76.0 



56.5 



19.5 



13 



.917 



29.993 



.861 



.132 



65.6 



75.2 



56.8 



18.4 



14 



Sunday. 

















15 



.913 



.986 



.852 



.134 



67.3 



77.2 



59.4 



17.8 



16 



.929 



30.000 



.872 



.128 



67.2 



76.6 



60.0 



16.6 



17 ' 



.936 



.005 



.876 



.129 



66.1 



75.6 



59.0 



16.6 



18 



.879 



29.948 



.808 



.140 



65.4 



75.9 



58.0 



17.9 



19 



.874 



.944 



.814 



.130 



67.6 



77 5 



58.4 



19.1 



20 



.909 



.969 



.863 



.106 



67.0 



70.0 



64.8 



5.2 



21 



Sunday . 

















22 



.885 



.945 



.840 



.105 



66.1 



75.1 



59.4 



15.7 



23 



.916 



.981 



.865 



.116 



64.8 



73.3 



55.6 



17.7 



24 



.940 



30.000 



.883 



.117 



66.8 



76.8 



58.2 



18.6 



25 



.994 



.062 



.957 



.105 



69.6 



76.0 



63.8 



■12 2 



26 



30.024 



.082 



.976 



.106 



68.3 



71.6 



65.6 



6.0 



27 



.004 



.093 



.930 



.163 



65.8 



72.8 



60.2 



12.6 



28 



Sunday. 

















29 



.038 



.123 



.974 



.149 



63.6 



72.6 



56.8 



15.8 



30 



.028 



.098 



.956 



.142 



63.5 



73.2 



54.8 



18.4 



31 



.070 



.143 



30.024 



.119 



63.5 



73.4 



54.8 



18.6 



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

 Thermometers are demed from the twenty-four hourly Observations made during 

 the day. 



