Meteorological Observations. 



lxxxix 



Abstract of the Results of the Hourly Meteorological Observations 



talcen at the Surveyor General* s Office, Calcutta, 



in the month of December, 1858. 



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. 





it of 



leter 

 it. 



Range 



of the Barometer 



9 % 



Range of the Tempera- 





.g>p£ 



during the day. 





ture during the day. 





CO 









Q | 





















<D 



03 ^ tc 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 



c<3 



1" 









r^ 











Inches. 



Inches. 



Inches. 



Inches. 



O 



o 



o 



o 



1 



30.053 



30.119 



29.989 



0.130 



70.2 



73.4 



68.6 



4,8 



2 



.010 



.084 



.956 



.128 



70.1 



73.0 



68.4 



4.6 



3 



.012 



.071 



.964 



.107 



68.6 



70.2 



67.8 



24 



4 



29.979 



.053 



.906 



.147 



69.3 



76.0 



65.4 



10.6 



5 



Sunday. 

















6 



30.021 



.098 



.972 



.126 



67.4 



75.9 



60.6 



15.3 



7 



.031 



.124 



.9/9 



.145 



66.7 



75.6 



60.8 



148 



8 



29.985 



.072 



.921 



.151 



65.5 



75.2 



57.8 



17.4 



9 



30.005 



.077 



.935 



.142 



66.3 



76.8 



58.0 



18.8 



10 



.037 



.122 



.988 



.134 



65.6 



75.8 



57.8 



18.0 



11 



.037 



.104 



.984 



.120 



64.7 



74.2 



56.6 



17.6 



12 



Sunday. 

















13 



29.959 



.034 



.902 



.132 



65.2 



74.6 



57.2 



17.4 



14 



.994 



.063 



.949 



.114 



66.2 



75.6 



57.6 



18.0 



15 



30.026 



.110 



.977 



.133 



66.9 



75.3 



59.4 



15.9 



16 



.009 



.086 



.965 



.121 



67.4 



76.4 



60.0 



16.4 



17 



.034 



.132 



.983 



.149 



67.8 



76.8 



61.1 



15.7 



18 



.037 



.110 



.992 



.118 



68.2 



77.8 



60.2 



17.6 



19 



Sunday. 

















20 



.040 



.099 



.997 



.102 



6G.6 



74.1 



62.5 



11.6 



21 



.087 



.163 



30.035 



.128 



65.5 



74.2 



59.0 



15.2 



22 



.085 



.172 



.037 



.135 



63.9 



72.2 



57.4 



14,8 



23 



.053 



.141 



29.982 



.159 



64.5 



73.8 



56.4 



17.4 



24 



.049 



.109 



30.000 



.109 



65.6 



75.9 



58.2 



17.7 



25 



.047 



.120 



.003 



.117 



66.5 



76.7 



57.8 



18.9 



26 



Sunday. 

















27 



.031 



.104 



29.972 



.132 



64.6 



73.0 



576 



15.4 



28 



.045 



.114 



30.002 



.112 



65.0 



74.2 



57.6 



16.6 



29 



.081 



.156 



.029 



.127 



66.4 



77.4 



57.6 



19.8 



30 



.105 



.206 



.057 



.149 



68.1 



78.6 



58.8 



19.8 



31 



.065 



.147 



.005 



.142 



69.8 



78.8 



64.6 



14.2 



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. 



