Meteorological Observations. 



Abstract of the Sesults of the Hourly Meteorological Observations 

 taken at the Surveyor General 1 s Office, Calcutta, 

 in the month of May, 1860. 



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

 dependent thereon. 





o^ . 



Range c 



f the Bai 



ometer 



a 2 



Range 



of the Temperature 





£ 11 



for ea 



zh hour d 



uring 



ea « 



for each hour ( 



uring 





MO fe. 



t 



le month 







the month 





Hour. 



4* l» 



3 ffl cvi 









Q§ 

























IJ-3 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





1" 









£ 











Inches. 



Inches. 



Inches. 



Inches. 















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 



18.5 



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 Bulb 

 Thermometers are derived froin the observations made at the several hours 

 during the month. 



