Meteor o log ical Observa tions. 



IxT 



Abstract of ifie Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of September 1867. 



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



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



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

 dependent thereon. 



o f-" 



<D +a 



_,P-1(M 

 +3 aS 



X 



Range of the Barometer 

 during the day. 



Max. 



Min. 



Diff. 



""3 t* 



pH ■+» 



&a 



A 2 

 M a 



& ft 



a> .A 

 H 



g 



Range of the Tempera- 

 ture during the day. 



Max. 



Min. 



Diff. 



Inches. 



Inches. 



Inches. 



29.577 



29.636 



29.489 



.588 



.632 



.543 



.619 



.670 



.574 



.648 



.708 



.581 



.673 



.734 



.614 



.711 



.771 



.661 



.710 



.794 



.640 



.686 



.758 



.601 



.635 



.701 



.549 



.630 



.695 



.559 



.659 



.722 



.552 



.675 



.731 



.606 



.635 



.691 



.575 



.550 



.617 



.455 



.480 



.537 



.413 



.425 



.491 



.343 



.467 



.551 



.374 



.561 



.628 



.505 



.612 



.676 



.565 



.630 



.672 



.591 



.653 



.711 



.605 



.682 



.745 



.638 



.720 



.781 



.661 



.735 



.804 



.665 



.688 



.750 



.601 



.663 



.711 



.591 



.714 



.786 



.660 



.772 



.840 



.719 



.793 



.848 



.737 



.799 



.844 



.764 



Inches. 



0.147 

 .089 

 .096 

 .127 

 .120 

 .110 

 .154 

 .157 

 .152 

 .136 

 .170 

 .125 

 .116 

 .162 

 .124 

 .148 

 .177 

 .123 

 .111 

 .081 

 .106 

 .107 

 .120 

 .139 

 •149 

 .120 

 .126 

 .121 

 .111 

 .080 



o 



86.8 

 84.0 

 82.5 

 82.3 

 80.6 

 80.1 

 83.4 

 84.3 

 85.2 

 86.0 

 86.0 

 86.4 

 84.7 

 85.2 

 81.6 

 80.8 

 81.5 

 82.0 

 83.2 

 81.5 

 79.8 

 79.8 

 81.8 

 83.6 

 85.2 

 86.3 

 85.4 

 83.4 

 81.8 

 79.1 











92.5 



82.8 



88.6 



81.5 



88.9 



79.8 



88.0 



79.9 



84.3 



78.5 



82.5 



78.0 



88.5 



79.0 



89.5 



80.0 



90.8 



80.9 



92.0 



81.5 



89.6 



82.0 



92.5 



81.9 



92.2 



81.5 



92.4 



81.5 



86.6 



78-5 



84.6 



78.5 



84.5 



79.8 



86.6 



79.5 



86.0 



80.0 



86.5 



77.4 



83.0 



77.0 



85.0 



76.0 



88.2 



76.5 



88.6 



78.6 



90.7 



80.5 



91.7 



82.0 



92.0 



80.0 



90.7 



80.5 



85.5 



79.8 



81.5 



78.Q 



9.7 



7.1 



9.1 



8.1 



5.8 



4.5 



9.5 



9.5 



9.9 



10.5 



7.6 



10.6 



10.7 



10.9 



8.0 



6.1 



4.7 



7.1 



6.0 



9.1 



6.0 



9.0 



11.7 



10.0 



10.2 



9.7 



12.0 



10.2 



5.7 



3.5 



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. 



