Meteorological Observations. 



xli 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of June, 1864. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34'' East. 

 _ . Feet. 



Height of the Cistern of the Standard Barometer above the Sea-level, 18.11. 



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

 dependent thereon. 





O 03 









•S C 





|1| 



Range of the Barometer 

 during the day. 





Date. 



&£% 









q! 











G 03^ 









&> 2 





03 +=> c3 



Max. 



Min. 



Diff. 



§ -3 





5 







Inches. 



1 





Inches. 



Inches. 



Inches. 







1 



29.574 



29.633 



29.493 



0.140 



85.2 



2 



.507 



.563 



.447 



.116 



85.9 



3 



.511 



.555 



.455 



.100 



86.7 



4 



.539 



.601 



.465 



.136 



88.4 



5 



Sunday. 











6 



.584 



.641 



.493 



.148 



88.3 



7 



.588 



.650 



.525 



.125 



85.8 



8 



.578 



.628 



.512 



.116 



87.8 



9 



.559 



.614 



.480 



.134 



87.9 



10 



.558 



.628 



.471 



.157 



85.8 



11 



.547 



.603 



.488 



.115 



80.5 



12 



Sunday. 











13 



.531 



.605 



.448 



.157 



87.0 



14 



.587 



.630 



.540 



.090 



84.5 



15 



.580 



.627 



.538 



.089 



83.5 



16 



.541 



.596 



.488 



.108 



84.1 



17 



.487 



.552 



.429 



.123 



86.1 



18 



.535 



.593 



.482 



.111 



85.8 



19 



Sunday. 











20 



.617 



.672 



.517 



.155 



84.9 



21 



.580 



.630 



.523 



.107 



95.9 



22 



.546 



.592 



.473 



.119 



88.6 



23 



.524 



.554 



.468 



.086 



89.5 



24 



.548 



.577 



.506 



.071 



85.5 



25 



.535 



.572 



.484 



.088 



86.7 



26 



Sunday. 











27 



.565 



.611 



4 512 



.099 



86.8 



28 



.523 



.569 



.470 



.099 



81.4 



29 



.514 



.576 



.473 



.103 



79.3 



30 



.495 



.536 



.447 



.089 



81.1 



Range of the Tempera- 

 ture during the day. 



Max. 



Min. 



Diff. 











o 



91.9 



79.4 



12.5 



93.0 



78.4 



14,6 



95.0 



79.2 



15.8 



97.4 



80.6 



16.8 



94.6 



82.8 



11.8 



94.4 



82 8 



11.6 



94.6 



81.8 



12.8 



96.6 



76.6 



20.0 



93.6 



78.0 



15.6 



86.2 



77.6 



8.6 



96.4 



82.0 



14.4 



90.2 



80.8 



9.4 



88.8 



80.0 



8.8 



90.6 



78.0 



12.6 



94.2 



79.8 



14.4 



89.0 



81.4 



7.6 



92.2 



76.0 



16.2 



92.8 



78.0 



14.8 



95.8 



83.8 



12.0 



96.2 



84.2 



12.0 



93.4 



80.8 



12.6 



94.4 



79.6 



14.8 



92.6 



83.6 



9.0 



83.6 



80.0 



3.6 



82.8 



76.8 



6.0 



85.8 



75.0 



10.8 



™Pt M tf" Hei g ht , of the Barometer, as likewise the Dry and Wet Bulb Ther- 

 mometer Means are deriyed, from the hourly Observations made during the day. 



MR 



