Meteorological Observations. 



xvn 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of August, 1859. 



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. 





**- i» 















■ 





a v 









-° £ 











« u « 



Range 



of the Barometer 



9 .2 



Range of the Tempera- 







during the d 



iy. 





ture during the 



day. 





E m « 



CO 









q a 























<u 



C aj J 



Max. 



Min. 



Diff. 



03 —1 



Max. 



Min. 



Diff. 



& 



S 









<§ 











Inches. 



Inches. 



Inches. 



Inches. 



O 















1 



29.558 



29.631 



29.491 



0.140 



81.1 



87.4 



77.0 



10.4 



2 



.644 



.701 



.580 



.121 



82.3 



87.6 



77.8 



9.8 



3 



.670 



.718 



.629 



.089 



82.8 



86.2 



79.8 



6.4 



4 



.664 



.726 



.612 



.114 



80.9 



83.4 



79.3 



4.1 



5 



.701 



.757 



.652 



.105 



81.9 



84.6 



79.8 



4.8 



6 



.702 



.751 



.643 



.108 



83.3 



88.8 



79.9 



8.9 



7 



Sunday. 

















8 



.807 



.860 



.727 



.133 



80.6 



86.6 



76.2 



10.4 



9 



.748 



.810 



.676 



.134 



82.3 



90.0 



78.4 



11.6 



10 



.731 



.780 



.655 



.125 



83.3 



88.5 



79.6 



8.9 



11 



.668 



.717 



.592 



.125 



82.4 



87.6 



79.9 



7.7 



12 



.673 



.739 



.611 



.128 



81.2 



86.1 



79.0 



7.1 



13 



.720 



.777 



.660 



.117 



82.2 



87.8 



78.4 



9.4 



14 



Sunday. 

















15 



.699 



.761 



.629 



.132 



84.7 



89.6 



80.3 



9.3 



16 



.645 



.698 



.560 



.138 



85.0 



90.6 



81.6 



9.0 



17 



.613 



.667 



.531 



.136 



83.3 



88.0 



79.4 



8.6 



18 



.617 



.694 



.560 



.134 



83.0 



86.6 



80.0 



6.6 



19 



.683 



.749 



.628 



.121 



84.1 



89.6 



80.0 



9.6 



20 



.729 



.780 



.671 



.109 



82.3 



86.4 



81.0 



5.4 



21 



Sunday. 









• 









22 



.662 



.703 



.607 



.096 



82.7 



90.0 



80.2 



9.8 



23 



.634 



.701 



.563 



.138 



83.3 



88.8 



80.4 



8.4 



24 



.639 



.701 



.572 



.129 



82.8 



86.8 



79.8 



7.0 



25 



.627 



.684 



.560 



.124 



83.5 



88.2 



80.0 ' 



8.2 



26 



.598 



.641 



.541 



.100 



81.7 



85.3 



79.6 



5.7 



27 



.596 



.634 



.538 



.096 



80.0 



82.2 



78.0 



4.2 



28 



Sunday. 

















29 



.504 



.553 



.431 



.119 



81.5 



85.8 



78.6 



7.2 



30 



.537 



.600 



.491 



.109 



83.2 



87.8 



78.6 



9.2 



31 



.536 



.600 



.462 



.138 



85.1 



89.6 



81.3 



8.3 



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. 



