Meteorological 0/jserrf(fio9is 



[XXX 



Abstract of the Results of the Hourly/ ^hleorohxj'u'ni Ohserrat'ious 



taken at the Surveyor General's Office, Calcutta, 



in the month of October 1874. 



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



dependent tliorCon. 



Hour. 





CO 



IJange of tlic Barometer 



for ea(^li hour during 



the month. 



Max. 



Min, 



DifF. 



^ 





!=* ^ 



m n 



<a 



t^% 



P 1 



S ^ 



g-^ 



^^ 



IJange of the Tempera* 

 ture for each hour 

 during the month. 



Max. 



Min. 



Di(r. 



Mid- 

 night. 



1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



Noon. 



1 



2 



3 



4 



5 



G 



7 



8 



9 

 10 

 11 



Inches. 



29.787 

 .777 

 .769 

 .760 

 .763 

 .777 

 .793 

 .814 

 .836 

 .819 

 .84.9 

 .835 



.810 

 .783 

 .759 

 .744 



.739 

 .747 

 .755 

 .773 



.795 

 .807 

 .811 

 .808 



Inches. 



29.887 

 .8-14 

 .874 

 .877 

 .882 

 .895 

 .908 

 .938 

 .968 

 .985 

 .983 

 .967 



.942 



.920 

 .887 

 .879 

 .878 

 .894 

 .901 

 .926 

 .952 

 .958 

 .964 

 .955 



Inches. 



29.530 

 .507 

 .486 

 .493 

 .519 

 .533 

 .581 

 .611 

 .()59 

 .691 

 .704 

 .705 



.681 

 .645 

 .623 

 .603 

 .597 

 .603 

 .570 

 .568 

 .578 

 .540 

 .534 

 .538 



Inches. 



.357 

 .377 

 .388 

 .384 

 .363 

 .362 

 .327 

 .327 

 .309 

 .294 

 .279 

 .262 



.261 

 .275 



.264 

 .276 

 .281 

 .291 

 .331 

 .358 

 .374 

 .418 

 .430 

 .417 



79.4 

 79.1 



78.8 

 78.5 

 78.3 

 78.0 

 77.9 

 78.4 

 80.3 

 8-2.2 

 83.8 

 84.9 



85.6 

 85.7 

 85.9 

 85.8 

 81.8 

 83.7 

 82.0 

 81.3 

 80.8 

 80.5 

 80.0 

 79.6 



82.0 

 81.9 

 81.8 

 81.6 

 81.4 

 81.2 

 81.0 

 81.5 

 83.3 

 86.0 

 87.0 

 88.5 



90.6 

 91.0 



90.8 

 90.5 

 90.0 

 90.0 



86.5 

 85.2 

 84.0 

 83.5 

 82.6 

 82.0 



76.0 

 75.6 

 75.4 

 75.0 

 74.7 

 74.3 

 74.0 

 75.1 

 75-5 

 75.8 

 77.0 

 77.7 



77.5 

 77.5 

 77.5 

 77.6 

 77.0 

 75.5 

 75.5 

 75.5 

 75.7 

 75.8 

 76.0 

 76.0 



6.0 



6.3 



6.4 



O.C) 



6.7 



6.9 



7.0 



6.4 



7.8 



10.2 



10.0 



10.8 



13.1 



13.5 



13.3 



12.9 



13.0 



14.5 



1 1 .0 



9.7 



8.3 



7.7 



iMJ 



6.0 



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

 Thermometer Means are derived from the observations made at the several 

 hours during the month. 



