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 1867. 



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



Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 



Daily Means, Sec. of the Observations and of the Hygrometrical elements 

 dependent thereon. 





o f-> 



Kange of the Barometer 



1 i 



Eange of the Tempera- 





2 D-P 



during the day. 



pq| 



ture during the day. 





f Is 









fig 





Date. 

















rt W(M 









d *+ 











4) i-C -M 



Max. 



Min. 



Diff. 



o ^3 



Max. 



Min. 



Diff. 





j^^C 









2^ 











Inches. 



Inches. 



Inches. 



Inches. 



O 











o 



1 



29.589 



29.654 



29.513 



0.141 



89.1 



98.8 



81.0 



17.8 



2 



.587 



.654 



.521 



.138 



90.3 



99.6 



83.6 



16.0 



3 



.612 



.696 



.507 



.189 



87.3 



98.0 



78.5 



19.5 



4 



.586 



.653 



.515 



.138 



88.3 



98.5 



79.8 



18.7 



5 



.554 



.615 



.496 



.119 



90.2 



97.4 



84.4 



13.0 



6 



.539 



.586 



.467 



.119 



88.9 



99.2 



79.4 



19.8 



7 



.648 



.756 



.555 



.201 



80.5 



86.0 



73.8 



12.2 



8 



.647 



.701 



.573 



.128 



83.5 



91.2 



78.0 



13.2 



9 



.638 



.699 



.664 



.135 



84.5 



92.8 



78.5 



14.3 



10 



.656 



.730 



.582 



.148 



86.5 



95.0 



79.6 



15.4 



11 



.658 



.722 



.589 



.133 



85.9 



92.0 



81.2 



10.8 



12 



.616 



.665 



.550 



.115 



86.1 



94.5 



80.8 



13.7 



13 



.609 



.639 



.563 



.076 



84.1 



90.4 



81.2 



9.2 



14 



.629 



.669 



.583 



.086 



82.4 



88.0 



80.0 



8.0 



15 



.647 



.684 



.600 



.084 



82.3 



87.2 



80.2 



7.0 



16 



.621 



.686 



.543 



.143 



82.5 



87.0 



80.0 



7.0 



17 



.506 



.594 



.419 



.175 



83.7 



90.0 



79.8 



10.2 



18 



.400 



.455 



.325 



.130 



83.8 



87.2 



80.2 



7-0 



19 



.391 



.446 



.346 



.100 



85.3 



91.2 



81.4 



9.8 



20 



.437 



.521 



.401 



.120 



84.3 



89.0 



81.4 



7.6 



21 



.532 



.593 



.480 



.113 



82.3 



86.0 



80.5 



5.5 



22 



.569 



.609 



.529 



.080 



81.4 



85.4 



78.0 



7.4 



23 



.585 



.632 



.532 



.100 



84.4 



90.4 



81.0 



9.4 



24 



.579 



.629 



.525 



.104 



86.0 



92.0 



82.4 



9.6 



25 



.634 



.707 



.589 



.118 



85.9 



92.3 



83.0 



9.3 



26 



.657 



.696 



.596 



.100 



83.7 



88.6 



80.0 



8.6 



27 



.584 



.661 



.507 



.154 



85.0 



92.2 



81.6 



10.6 



28 



.494 



.541 



.413 



.128 



84.6 



93.0 



78.8 



14.2 



29 



.497 



.561 



.411 



.150 



83.8 



92.2 



79.0 



13.2 



30 



.576 



.626 



.536 



.090 



81.5 



i 

 1 



I 84.6 



80.0 



4.6 



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

 Thermometer Means are derived, from the hourly observations, made during 

 the day. 



