lleteorologieal Observations. iii 



Abstract of the Uesults of the Hourly Meteorological Observations 

 taken at the Surveyor GeneraVs Office, Calcutta, 

 in the month of 'May, 1860. 



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

 dependent thereon. 



Hour. 



o 33 



4J i) u 



Raime of the Barometer for 



each hour during the 



month. 



PC £ 



a g 



Range of the Tempera- 

 ture for ench hour 

 during the 

 month. 





















Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





3 









S 











Inches. 



Inches. 



Inches. 



Inches. 



O 











o 



Mid- 

 night. 



29.617 



29.776 



29.461 



0.315 



83.5 



87.6 



72.9 



14.7 



1 



.607 



.756 



.461 



.295 



83.0 



87.0 



72.8 



14.2 



2 



.590 



.736 



.453 



.283 



83.0 



86.8 



73.2 



13.6 



3 



.592 



.729 



.449 



.280 



82.6 



86.2 



73.2 



13.0 



4 



.602 



.738 



.451 



.287 



82.4 



86.0 



73.5 



12.5 



5 



.615 



.753 



.473 



.280 



82.3 



85.6 



74.2 



11.4 



6 



.630 



.763 



.490 



.273 



82.4 



86.0 



75.0 



11.0 



7 



.650 



.791 



.533 



.258 



83.6 



87.0 



76.8 



10.2 



8 



.668 



.831 



.535 



.296 



86.8 



90.6 



81.8 



8.8 



9 



.676 



.845 



.546 



.299 



89.5 



93.0 



85.0 



8.0 



10 



.674 



.835 



.546 



.289 



92.4 



95.8 



85.5 



10.3 



11 



.659 



.800 



.531 



.269 



94.6 



100.4 



81.6 



18.8 



Noon. 



.646 



.792 



.523 



.269 



96.3 



102.6 



84.1 



185 



1 



.623 



.768 



.495 



.273 



97.8 



104.6 



85.7 



18.9 



2 



.596 



.745 



.479 



.266 



98.2 



105.1 



87.7 



17.4 



3 



.569 



.721 



.460 



.261 



98.3 



105.8 



90.0 



15.8 



4 



.547 



.703 



.428 



.275 



97.0 



104.8 



90.1 



14.7 



5 



.541 



.697 



.417 



.280 



95.0 



103.6 



89.8 



13.8 



6 



.555 



.756 



•430 



.326 



91.6 



100.6 



80.0 



20.6 



7 



.581 



.755 



.464 



.291 



87.9 



95.0 



75.0 



20.0 



8 



.599 



.758 



.477 



.281 



86.1 



92.2 



74.4 



17.8 



9 



.621 



.807 



.498 



.309 



84.5 



89.4 



74.3 



15.1 



10 



.625 



.778 



.492 



.286 



84.4 



88.6 



73.6 



15.0 



11 



.621 



.764 



.452 



.312 



83.9 



88.4 



72.9 



15.5 



The Mean height of the Barometer, as likewise the Mean Dry and Wet Eulb 

 Thermometers are derived from the observations made at the several hour? 

 during the month. 



