Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of January, 1857. 



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 <o 



*± £ 15 



Range 



of the Barometer 



b » 



n 2 



Range of the Tempera- 





— S -2 



du 



ing the day. 



A 



ture during the 



day. 





0J u" 

 CO 









S 1 









Date. 

















C V J 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



1 



30.031 



30.118 



29.970 



0.148 



66.8 



76.6 



60.0 



16 6 



2 



.099 



.169 



30.042 



.127 



66.7 



76,0 



59.4 



16.6 



3 



.106 



.204 



.050 



.154 



67.5 



77.1 



60.0 



17.1 



4 

 5 



Sunday. 

 .097 



.150 



.050 



.100 



70.8 



80.0' 



63.5 



16.5 



6 



.144 



.214 



.099 



.115 



71.1 



80.2 



63.5 



16.7 



7 



.094 



.171 



.021 



.150 



71.9 



81.0 



63.8 



17.2 



8 



.080 



.156 



.029 



.127 



72.1 



80.3 



66.0 



14.3 



9 



.095 



.191 



.053 



.138 



69.1 



77.4 



62.8 



14.6 



10 



.089 



.160 



.041 



.119 



67.9 



76.5 



60.7 



15.8 



11 

 12 



Sunday. 

 .099 



.187 



.040 



.147 



67.2 



77.4 



59.7 



17.7 



13 



.113 



.190 



.055 



.135 



65.6 



76.0 



56.7 



19.3 



14 



.092 



.167 



.045 



.122 



66.3 



76.6 



57.4 



19.2 



15 



.055 



.140 



29.990 



.150 



66.7 



74.9 



60.6 



14.3 



16 



.060 



.130 



30.018 



.112 



66.6 



74.3 



61.0 



13.3 



17 



.037 



.114 



29.975 



.139 



64.6 



73.9 



57.6 



16.3 



18 

 19 



Sunday. 

 29.999 



.089 



.938 



.151 



65.1 



75.3 



58.0 



17.3 



20 



30.004 



.090 



.944 



.146 



62.9 



73.1 



54.6 



18.5 



21 



.009 



.108 



.954 



.154 



61.8 



73.3 



52.8 



20.5 



22 



29.986 



.076 



.918 



.158 



62.1 



72.2 



53.6 



18.6 



23 



.979 



.067 



.920 



.147 



62.8 



75.0 



53.9 



21.1 



24 



.968 



.059 



.913 



.146 



63.9 



76.3 



54.4 



21.9 



.25 

 26 



Sunday. 

 .938 



.015 



.887 



.128 



69.3 



81.6 



594 



22.2 



27 



.902 



29.979 



.812 



.137 



71.4 



82.2 



63.6 



18.6 



28 



.881 



.956 



.833 



.123 



73.7 



81,1 



65.4 



18.7 



29 



.882 



.955 



.830 



.125 



73.3 



84,5 



64.4 



20.1 



30 



.873 



.951 



.818 



.133 



73.7 



1 84.9 



63.8 



21.1 



31 



.887 



.965 



.841 



.124 



74.4 



84.3 



66.4 



17.9 



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 dav. 



