Meteorological Observations. 



Ixxxi 



Abstract oj the Results of the Hourly Afeteorological Olservatiojis 



taken at the Surveyor General's Office, Calcutta, 



in the month of October 1876. 



-Hourly Means, &c. of tlie Observations and of tlie Hygrometrical elements 



dependent thereon. 





o ^ 









brj w .^ 



our. 



an Hei 

 Barom 

 32° Fa 







^-3 



I?ange of tlie Barometer 



for eacli liour during 



the month. 



Max. 



Min. 



DiiT. 



03 r1 



Ivange of the Tempera- 

 ture for each hour 

 during the month. 



Max. 



Min. 



DilF. 





Inches. 



Inches. 



Inches. 



Inches. 



o 



Mid- 













niglit. 



29.895 



29.995 



29.659 



0.336 



77.7 



1 



.882 



.988 



.622 



.366 



77.3 



2 



.870 



.979 



.610 



.369 



77.0 



3 



.859 



.968 



.608 



.360 



76.6 



4 



.858 



.965 



.601 



.364 



76.2 



5 



.872 



.989 



.622 



.367 



75.9 



6 



.890 



30.002 



.651 



.351 



75.7 



7 



.908 



.027 



.681 



.346 



76.2 



8 



.928 



.052 



.708 



.344 



78.2 ■ 



9 



.939 



.062 



.715 



.347 



80.2 



10 



.938 



.060 



.705 



.355 



81.9 



11 



.924 



.043 



.688 



.355 



82.7 



Noon. 



.900 



. .021 



.658 



.363 



83.0 



1 



.872 



29.998 



.633 



.365 



83.8 



2 



.8U) 



.967 



.607 



.360 



81.2 



3 



.837 



.955 



.595 



.360 



84,2 



4 



.831 



.935 



.598 



.337 



83.7 



5 



.839 



.937 



.611 



.326 



82.9 



6 



.81.8 



.955 



.610 



.345 



81.2 



7 



.8(57 



.965 



.615 



.350 



80.3 



8 



.884 



30.000 



.580 



.420 



79.4 



9 



.896 



.019 



.558 



.461 



78.8 



10 



.900 



.000 



.570 



.430 



78.3 



11 



.897 



.001 



.561 



.440 



77.9 



83.0 

 82.5 

 82.0 

 81.5 

 81.2 

 81.0 

 81.0 

 81.9 

 83.3 

 85.5 

 87.7 

 88.2 



89.8 

 88.8 

 89.6 

 88.6 

 88.5 

 88.5 

 85.5 

 84.8 

 84.3 

 84.0 

 83.5 

 83.0 



74.0 

 73.5 

 73.0 

 72.5 

 72.0 

 71.0 

 70.5 

 71.5 

 74.5 

 75.2 

 76.0 

 76.5 



75.5 

 74.6 

 74.0 

 72.5 

 71.6 

 71.5 

 71.0 

 71.0 

 70.5 

 70.5 

 70.8 

 71.0 



9.0 



9.0 



9.0 



9.0 



9.2 



10.0 



10.5 



10.4 



8.8 



10.3 



11.7 



11.7 



14.3 

 14.2 

 15.6 

 16.1 

 16.9 

 17.0 

 14.5 

 13.8 

 13.8 

 13.5 

 12.7 

 12.0 



The Mean Height of the Barometer, as likewise the Pry .ntid Wet Bulb 

 Thermometer Means are derived from the observations made at the several 

 hours during the month. 



