Meteorological Observations. 



xxxv 



Abstract of the Besults of the Hourly Meteorological Observations 



taken at the Sufveyor QeneraVs Office, Calcutta, 



in tlie month of September, 1860. 



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

 dependent thereon. 





o £ . 



Range of the Barometer 





Range 



of the Temperature 





Sal 



for ea< 



)h hour d 



iring 



pq £ 



for each hour c 



uring 



Hour. 



bp O fi, 



3 pq 2, 



the month. 









the month 





















52 2 ^ 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





|" * 









s 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



niglit. 



29.683 



29.740 



29.543 



0.197 



81.7 



84.6 



78.0 



6.6 



1 



.666 



.724 



.454 



.270 



81.4 



84.2 



77.8 



6.4 



2 



.656 



.718 



.442 



.276 



81.2 



84.7 



77.4 



7.3 



3 



.648 



.715 



.427 



.288 



80.9 



84.4 



77.2 



7.2 



4 



.647 



.711 



.417 



.294 



80.7 



84.0 



77.2 



6.8 



5 



.653 



*.724 



.442 



.282 



80.7 



83.8 



77.6 



6.2 



6 



.671 



.750 



.444 



.306 



80.6 



83.6 



77.2 



6.4 



7 



.690 



.764 



.464 



.300 



81.3 



84.2 



77.8 



6.4 



8 



.710 



.790 



.513 



.277 



83.1 



85.6 



79.8 



5.8 



9 



.722 



.794 



.516 



.278 



84.4 



87.2 



80.0 



7.2 



10 



.723 



.796 



.523 



.273 



85.5 



88.2 



81.0 



7.2 



11 



.712 



.780 



.530 



.250 



86.3 



89.6 



81.0 



8.6 



Noon. 



.691 



.761 



.513 



.248 



86.9 



89.6 



81.8 



7.8 



1 



.664 



.743 



.497 



.246 



87.0 



91.0 



81.6 



9.4 



2 



.641 



.725 



.467 



.258 



86.9 



91.2 



81.2 



10.0 



3 



.619 



.720 



.444 



.276 



86.1 



91.2 



80.6 



10.6 



4 



.610 



.700 



.450 



.250 



85.5 



91.0 



80.0 



11.0 



5 



.613 



.705 



.443 



.262 



84.6 



89.8 



79.8 



10.0 



6 



.626 



.709 



.450 



.259 



83.6 



86.5 



79.6 



6.9 



7 



.644 



.728 



.461 



.267 



83.0 



86.4 



79.4 



7.0 



8 



.668 



.746 



.488 



.258 



82.6 



85.8 



79.6 



6.2 



9 



.685 



.746 



.499 



.247 



82.4 



85.0 



79.6 



5.4 



10 



.687 



.752 



.521 



.231 



82.0 



84.6 



78.8 



5.8 



11 



.683 



.761 



.502 



.259 



81.8 



84.2 



78.2 



6.0 



The Mean Height of the Barometer, as likewise the Mean Dryand Wefc Bulb 

 Thermometcrs are derived froni the observations made at the several hours 

 d uring the month. 



