Meteorological Observations; Ivh 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General' s Office, Calcutta, 

 in the month of August, 1858. 



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 <D 









-° £ 











** °> "S 



Range 



of the Ba 



•ometer 



"3 £ 



Range o 



f the Tempera- 





f IS 



during the day. 



PQ g 



ture during the 



day. 













o a 

























a a> 



S3 -fl -^ 



Max. 



Min, 



Diff. 



= J 



Max. 



Min. 



Diff. 



•Q 



1 " 









r—v 











Inches. 



Inches. 



Inches. 



Inches. 











o 







1 



Sunday. 

















2 



29.663 



29.712 



29.603 



0.109 



84,0 



88.6 



80.2 



8.4 



3 



.616 



.666 



.540 



.126 



85.6 



92.0 



80.6 



11.4 



4 



.590 



.650 



.523 



.127 



86.1 



92.6 



81.8 



10.8 



5 



.534 



.590 



.451 



.139 



86.1 



92.6 



81.8 



10.8 







.467 



.537 



.392 



.145 



86.2 



91.7 



82.0 



9.7 



7 



.450 



.495 



.402 



.093 



85.4 



90.8 



82.2 



8.6 



8 



Sunday. 

















9 



.425 



.468 



.357 



.111 



84.2 



89.4 



81.7 



7.7 



10 



.454 



.501 



.408 



.093 



83.7 



88.1 



80.6 



7.5 



11 



.536 



.605 



.477 



.128 



84.7 



89.8 



81.7 



8.1 



12 



.585 



.621 



.540 



.081 



84.1 



89.0 



80.6 



8.4 



13 



.629 



.689 



.587 



.102 



83.5 



87.0 



81.2 



5.8 



14 



.684 



.735 



.618 



.117 



84.0 



88.6 



80.6 



8.0 



15 



Sunday. 

















16 



.586 



.641 



.530 



.111 



83.5 



87.8 



77.6 



10.2 



17 



.614 



.661 



.566 



.095 



81.1 



83.4 



78.4 



5.0 



18 



.589 



.633 



.530 



.103 



81.1 



86.0 



78.6 



7.4 



19 



.579 



.624 



.522 



.102 



82.7 



88.6 



78.8 



9.8 



20 



.583 



.657 



.513 



.144 



84.0 



89.6 



80.3 



9.3 



21 



.521 



,576 



.417 



.159 



83.6 



89.0 



80.6 



8.4 



22 



Sunday. 

















23 



.528* 



.576 



.464 



.112 



84.7 



89.2 



81.6 



7.6 



24 



.535 



.613 



.496 



.117 



83.0 



85.6 



80.6 



5.0 



25 



.590 



.631 



.528 



.103 



79.2 



79.8 



77.8 



2.0 



26 



.534 



.588 



.463 



.125 



82.9 



89.3 



78.8 



10.5 



27 



.535 



.590 



.467 



.123 



83.3 



88.8 



79.7 



9.1 



28 



.562 



.629 



.512 



.117 



81.4 



84.8 



78.4 



6.4 



29 



Sunday. 

















30 



.563 



. .614 



.496 



.118 



81.7 



85.3 



79,6 



5.7 



81 



.567 



.640 



.511 



.129 



83.2 



88.2 



79.4 



8.8 



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

 Thermometers, are derived from the twenty-four hourly observations made during 

 the day. 



