Meteorological Ohservations, 



lix 



Ábstract of tlie Besults of tlie Hourly Meteorological Ohservations 

 taken at tlie Surveyor GeneraVs Office, Calcutta, 

 in tlie montli of Decemher, 1860. 



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

 dependent thereon. 





. da +» 



Range of the Ba 



•ometer 



-O ti 



3 2 



Rang 



3 of the Temperature 





i s ^ 



for each hour d 



uring 





for each hour during 





.£P P En 



the month 



, 





the month. 



Hour. 



hÜ « O 







él 









, 















<u -<^> ce 



Max. 



Min. 



Diff. 



s Ja 



as r"< 



Max. 



Min. 



Diff. 





§ 









3 











Inches. 



Inclies. 



Inches. 



Inches. 







o 



o 



o 



Mid- 

 night. 

 1 



30.006 



30.100 



29.964 



0.136 



62.6 



66.4 



57.8 



8.6 



.001 



.090 



.949 



.141 



62.0 



66.0 



57.0 



9.0 



2 



29.994 



.075 



.945 



.130 



61.3 



65.2 



56.5 



8.7 



3 



.988 



.067 



.938 



.129 



60.7 



64.4 



56.1 



8.3 



4 



.984 



.051 



.949 



.102 



60.2 



63.8 



56.8 



7.0 



5 



.999 



.079 



.963 



.116 



59.7 



64.0 



54.1 



9.9 



6 



30.019 



.108 



.989 



.119 



59.2 



63.4 



54.0 



9.4 



7 



.041 



.131 



30.005 



.126 



59.3 



64 8 



54.4 



10.4 



8 



.068 



.129 



.029 



.100 



62.6 



. 66.8 



58.1 



8.7 



9 



.090 



.172 



.041 



.131 



65.9 



71.4 



61.4 



10.0 



10 



.087 



.159 



.034 



.125 



69.8 



74.2 



64.6 



9.6 



11 



.071 



.140 



.021 



.119 



73J 



77.0 



68.8 



8.2 



Noon. 



.039 



.116 



29.987 



.129 



75.6 



78.5 



72.4 



6.1 ' 



1 



.006 



.096 



.952 



.144 



77.1 



80.0 



74.4 



5.6 



2 



29.982 



.059 



.924 



.135 



77.9 



80.4 



75.4 



5.0 



3 



.967 



.043 



.911 



.132 



77.4 



79.4 



74.8 



4.6 



4 



.961 



.037 



.905 



.132 



75.2 



77.0 



71.0 



6.0 



5 



.965 



.035 



.919 



.116 



73.2 



75.8 



70.6 



5.2 



6 



.974 



.056 



.927 



.129 



70.4 



73.0 



66.8 



6.2 



7 



.991 



.063 



.948 



.115 



68.2 



71.7 



64.4 



7.3 



8 



30.006 



.075 



.955 



.120 



66.6 



69.8 



62.4 



7.4 



9 



.016 



.070 



.962 



.108 



65.4 



69.8 



60.4 



9.4 



10 



.019 



.076 



.977 



.099 



64.4 



68.4 



59.8 



8.6 



11 



.016 



.067 



.968 



.099 



63.5 



67.2 



58.9 



8.3 



The Mean Height of the Barometer, as likewise the Mean Dryand Wet Bnlb 

 Thermometer8 are deriyed from the observations made at the seyeral hours 

 d uring the month. 



