Meteor o logical Observatio ns. 



xxxv 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General* s Office, Calcutta, 

 in the month of Mag, 1858. 



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

 dependent thereon. 



Hour. 



Height of 

 Barometer 

 52° Fabt. 



Ran ire of the Barometer for 



each hour during the 



month. 



PQ • 



Range of the Tempera- 

 ture for each hour 

 during the 

 month. 





















Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



Mid- 



night. 

 1 



29.601 



29.747 



29.306 



0.441 



82.9 



86.2 



75.8 



10.4 



.588 



.736 



.283 



.453 



82.6 



86.0 



76.6 



9.4 



2 



.572 



.718 



.272 



.446 



82.4 



85.8 



78.8 



7.0 



3 



.570 



.712 



.262 



.450 



81.8 



85.4 



76.4 



9.0 



4 



.583 



.725 



.255 



.470 



81.5 



84.6 



76.4 



8.2 



5 



.581 



.729 



.266 



.463 



81.1 



84.8 



76.8 



8.0 



6 



.603 



.755 



.284 



.471 



81.1 



85.0 



76.6 



8.4 



7 



.618 



.770 



.296 



.474 



82.2 



86.2 



78.0 



8.2 



8 



.635 



.798 



.302 



.496 



84.5 



89.0 



78.6 



10,4 



9 



.646 



.815 



.298 



.517 



86-6 



90.8 



79.6 



11.2 



10 



.640 



.808 



.297 



.511 



88.6 



93.4 



80.2 



13.2 



11 



.625 



.787 



.288 



.499 



90.1 



96.8 



80.1 



16.7 



Noon. 



.606 



.763 



.272 



.491 



91.1 



98.9 



79.4 



19.5 



1 



.586 



.735 



.248 



.487 



91.7 



100.6 



80.6 



20.0 



2 



.561 



.697 



.212 



.485 



92.4 



100.3 



79.0 



21.3 



3 



.539 



.680 



.201 



.479 



91.9 



99.6 



78.6 



21.0 



4 



.521 



.657 



.208 



.449 



91.2 



99.3 



78.7 



20-6 



5 



.522 



.657 



.231 



.426 



89.7 



97.8 



79.5 



18.3 



6 



.532 



.690 



.254 



.436 



87.9 



96.0 



79.3 



16.7 



7 



.553 



.710 



.278 



.432 



86.0 



89.8 



79.7 



10.1 



8 



.571 



.731 



.279 



.452 



84.9 



88.0 



79.6 



8.4 



9 



.595 



.748 



.338 



.410 



84.1 



86.8 



79.0 



7.8 



10 



.608 



.736 



.345 



.391 



83.6 



85.8 



78.2 



7.6 



11 



.606 



.763 



.331 



.432 



83.2 



85.6 



79.2 



6.4 



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

 Thermometers are derived from the observations made at the several hours 

 during the month. 



