Meteorological Observations. 



lvii 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor OeneraVs Office, Calcutta, 



in the month of August, 1865. 

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



Height of the Cistern of the Standard Barometer above the Sea-level, 18 ft. 11 in. 



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

 dependent thereon. 





o v 









;£ •-' 











light 



romet 



Faht. 



Range of the Bar 

 during the di 



3meter 



3 u 



Range of the Ten 

 ture during the 



nera- 

 day. 





"-• M <M 









e 2 









Date. 

















* S. a 



Max. 



Min. 



DifF. 



5 -^ 



Max. 



Min. 



DifF. 





£ 









£ 











Inches. 1 



Indies. 



Inches. 



Indies. 



















1 



29.647 



29.705 



29.577 



0.1^8 



83.0 



87.2 



79.8 



7.4 



2 



.689 



.766 



.627 



.139 



81.3 



84.9 



77.2 



7.7 



3 



.712 



.773 



.640 



.133 



83.3 



89.4 



79.7 



9.7 



4 



.701 



.761 



.629 



.132 



84.6 



89.4 



80.8 



8.6 



5 



.700 



.745 



.631 



.114 



86.0 



92.6 



81.4 



11.2 



6 



.688 



.746 



.617 



.129 



84.6 



89.0 



82.0 



7.0 



7 



.711 



.764 



.656 



.108 



84.5 



89.0 



80.0 



9.0 



8 



.700 



.767 



.613 



.154 



85.8 



90.8 



82.0 



8.8 



9 



.665 



.725 



.590 



.135 



85.5 



90.2 



81.7 



8.5 



10 



.646 



.692 



.587 



.105 



86.6 



91.5 



82.4 



9.1 



11 



.678 



.722 



.635 



.087 



85.4 



90.6 



82 6 



8.0 



12 



.718 



.770 



.656 



.114 



86.3 



92.2 



81.8 



10.4 



13 



.719 



.762 



.654 



.108 



86.1 

 " 85.9 



92.1 



82.4 



9.7 



14 



.675 



.727 



.593 



.134 



91.4 



82.3 



9.1 



15 



.666 



.752 



.610 



.142 



85.4 



90.8 



81.6 



9.2 



16 



.724 



.771 



.678 



.093 



83.4 



89.0 



80.S 



8.2 



17 



.733 



.779 



.672 



.107 



83 8 



87.9 



80.6 



7.3 



18 



.638 



.724 



.543 



.181 



84.5 



92.1 



81.2 



10.9 



19 



.538 



.606 



.447 



.159 



84.8 



91.4 



81.7 



9.7 



20 



.488 



.539 



.400 



.139 



85.1 



90.8 



81.4 



9.4 



21 



.419 



.494 



.330 



.164 



83.3 



87.0 



80.S 



6.2 



22 



.448 



.553 



.388 



.165 



82.6 



86 2 



80.2 



60 



23 



.568 



.622 



.524 



.098 



84.4 



91.0 



80.4 



10.6 



24 



.584 



.636 



.511 



.125 



85.1 



90.8 



81.0 



9.8 



25 



.568 



.608 



.505 



.103 



84.0 



89.2 



81.6 



7.6 



26 



.532 



.593 



.468 



.125 



85.4 



92.6 



81.6 



11.0 



27 



.470 



.540 



.380 



.160 



84.7 



S9.8 



82/2 



7.6 



28 



.439 



.591 



.311 



.280 



81.2 



84.4 



79.0 



5.4 



29 



.634 



.685 



.583 



.102 



82.5 



85.5 



80.2 



5.3 



30 



.624 



.690 



.548 



.142 



85.1 



90.0 



81.2 



8.S 



31 



.591 



.640 



.532 



.108 



85.6 



90.6 



81.4 



9.2 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Titer* 

 mometer Means are derived from the hourly Observations made daring the day. 



