Meteorological Observations. 



111 



Abstract of the Results of the Sourly Meteorological Observations 



taken at the Surveyor General's Office. Calcutta, 



in the month of January, 1865. 



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

 dependent thereon. 





ol^. 



Range 



af the Barometer 



"3 2 



Rang 



3 of the Temperature 





£ si 



for each hour d 



uring 



PQ £ 



for 



each hour ( 



uring 





.S?Pfe 



the month 





&§ 





the month 





Hour. 



►£ a o 









G § 



























Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





% 









$ 











Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



Mid- 

 night, 



30.068 



30.139 



29.884 



0.255 



65.5 



70.8 



61.4 



9.4 



1 



.061 



.134 



.878 



.256 



64.8 



71.0 



61.0 



10.0 



2 



.052 



.128 



.872 



.256 



64.1 



70.8 



60.6 



10.2 



3 



.041 



.113 



.869 



.244 



63.6 



70.8 



59.0 



11.8 



4 



.046 



.112 



.883 



.229 



62.7 



66.8 



58.8 



8.0 



5 



.047 



.130 



.890 



.240 



62,6 



70.6 



58.0 



12.6 



6 



.068 



.149 



.910 



.239 



62.1 



70.4 



57.4 



13.0 



7 



.090 



.180 



.938 



.242 



61.8 



70.2 



57.0 



13.2 



8 



.118 



.210 



.963 



.247 



64.6 



70.2 



59.4 



10.8 



9 



.136 



.235 



.983 



.252 



69.0 



74.0 



63.8 



10.2 



10 



.140 



.238 



.993 



.245 



72.1 



75.6 



65.0 



10.6 



11 



.121 



.210 



.976 



.234 



74.8 



78.2 



69.0 



9.2 



Noon. 



.094 



.173 



.938 



.235 



76.2 



80.2 



68.0 



12.2 



1 



.060 



.138 



.917 



.221 



77.5 



81.8 



70.0 



ll.S 



2 



.038 



.117 



.890 



.227 



78.4 



83.2 



71.8 



11.4 



3 



.019 



.111 



.868 



.243 



78.5 



83.2 



71.2 



12.0 



4 



.013 



.110 



.848 



.262 



76.9 



81.6 



70.6 



11.0 



5 



.020 



.119 



.844 



.275 



75.3 



79.4 



70.2 



9.2 



6 



.027 



.134 



.862 



.272 



72.8 



76.6 



68.4 



8.2 



7 



.041 



.149 



.870 



.279 



71.1 



75.5 



66.4 



9.1 



8 



.057 



.161 



.932 



.229 



69.7 



74.2 



65.2 



9.0 



9 



.067 



.175 



.912 



.263 



68.4 



73.3 



63.6 



9.7 



10 



.070 



.178 



.883 



.295 



67.3 



72.8 



62.4 



10.4 



• 11 



.071 



.171 



.950 



.221 



66.4 



72.0 



61.8 



10.2 



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

 mometer Means are derived from the Observations made at the several hours 

 during the month. 



