- j 



Meteorological Observations. iii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor Generates Office, Calcutta, 

 in the month of January, 1864. 



I 



I 



._ f 



Hourly Means, &c* of the Observations and of the Hygrometrical elements 

 dependent thereon. 



Hour. 



Height of 

 Barometer 

 $2° Faht. 



Ranire of the Barometer for 



each hour during the 



month. 



Dry Bulb] 

 srmometer. i 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 



















Max. I 



llin. 



Diff. 



5<£ 



Max. 



Min. 



Diff. 





1" " 









^ 











Inches. 



Inches. Ir 



tches. 



Inches. 



O 











o 



Mid- 

 night. 

 1 



30.003 



30.096 29 



.933 



0.163 



60.5 



63.4 



57.0 



6.4 



29.989 



.090 



.895 



.195 



59.9 



62.8 



56.2 



6.6 



2 



.981 



.090 



874 



.216 



59.3 



62.6 



55.2 



7.4 



3 



.972 



.081 



869 



.212 



58.6 



62.4 



54.8 



7.6 



4 



.967 



.073 



862 



.211 



57.9 



62.3 



54,2 



8.1 



5 



.982 



.080 



859 



.221 



57.0 



61.0 



53.4 



7.6 



6 



.992 



.090 



877 



.213 



56.9 



60.2 



53.2 



7.0 



7 



30.013 



.114 



900 



.214 



56.2 



59.8 



52.8 



7.0 



8 



.041 



.160 



908 



.252 



60.2 



64.0 



56.8 



7.2 



9 



.063 



.177 



909 



.268 



63.2 



65.6 



60.0 



5.6 



10 



.071 



.174 



933 



.241 



66.6 



70.8 



64.0 



6.8 



11 



.053 



.153 



912 



.241 



69.5 



74.9 



66.0 



8.9 



Noon. 



.022 



.117 



901 



.216 



72.2 



78.0 



69.4 



8.6 



1 



29.989 



.070 



869 



.201 



73.9 



80.2 



71.4 



8.8 



2 



.963 



.046 



846 



.200 



75.1 



82.2 



71.0 



11.2 



3 



.944 



.038 



836 



.202 



75.3 



82.1 



71.6 



10.5 



4 



.937 



.027 



828 



.199 



73.9 



80.0 



70.8 



9.2 



5 



.941 



.032 



836 



.196 



71.8 



77.6 



67.2 



10.4 



6 



.949 



.038 



837 



.201 



68.9 



73.6 



65.6 



8.0 



7 



.968 



.068 



848 



.220 



66.5 



70.4 



62.8 



7.6 



8 



.985 



.095 



865 



.230 



64.9 



68.2 



61.6 



6.6 



9 



30.001 



.110 



921 



.189 



63.5 



66.6 



60.0 



6.6 



10 



.000 



.118 



875 



.243 



62.7 



67.6 



58.8 



8.8 



11 



29.995 



.084 



871 



.213 



61.7 



67.2 



57.0 



10.2 



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

 Thermometer Means are derived from the Observations made at the several hours, 

 during the month. 



