Meteorological Observations. 



XXXIV 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of May 1875. 



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



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



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



dependent thereon. 





o f-* 



Range 



of the Ba 



fometer 



■"3 u 



Range 



of the Tempera- 





ri R<M 



during the cl 



ay. 



Kg 



ture during the day.. 



Date 























s fc 











& ^ 13 



Max. 



Min. 



Diff. 





Max. 



Mi n. 



Dili 





Inches. 



Inches. 



Inches. 



Inches. 



















1 



29.654 



29.726 



29.567 



0.159 



86.5 



92.4 



82.4 



10.0 



2 



.731 



.896 



.643 



.253 



83.9 



93.0 



72.5 



20.5 



3 



.804 



.912 



.702 



.210 



80.5 



89.5 



72.9 



16.6 



4 



.755 



.824 



.660 



.164 



81.3 



90.0 



75.0 



15.0 



6 



.704 



.775 



.611 



.164 



81.5 



90.0 



74.0 



16.0 



6 



.692 



.753 



.622 



.131 



81.0 



86.0 



77.0 



9.0 



7 



.676 



.726 



.616 



.110 



82.2 



91.6 



77.0 



14.6 



8 



.633 



.690 



.551 



.139 



84.4 



92.2 



78.0 



14,2 



9 



.609 



.689 



.519 



.170 



84.2 



92.8 



75.0 



17.8 



10 



.613 



.680 



.522 



.158 



84.3 



94,0 



76.5 



17.5 



11 



.617 



.66S 



.548 



.120 



85.4 ' 



94.4 



77.0 



17.4 



12 



.653 



.728 



.573 



.155 



84.6 



93.5 



76.5 



17.0 



13 



.719 



.789 



.667 



.122 



84.3 



92.0 



75.5 



16.5 



14 



.755 



.820 



.676 



.144 



86.4 



92.8 



81.4 



11.4 



15 



.685 



.747 



.601 



.146 



87.4 



93.5 



82.5 



11.0 



16 



.663 



.787 



.578 



.209 



86.7 



94,3 



75.5 



18.8 



17 



.739 



.824 



.654 



.170 



83.7 



92.6 



75.8 



16.8 



18 



.792 



.885 ■ 



.728 



.157 



82.8 



92.5 



74,8 



17.7 



19 



.811 



.879 



.738 



.141 



81.4 



91.5 



75.0 



16.5 



20 



.771 



.816 



.687 



.129 



83.5 



93.7 



78.5 



15.2 



21 



.780 



.840 



.696 



.144 



85.1 



94,5 



78.5 



16.0 



22 



.794 



.852 



.707 



.145 



84,8 



94,0 



80.2 



13.8 



23 



.770 



.841 



.676 



.165 



85.5 



94.0 



79.0 



15.0 



24 



.704 



.774 



.593 



.181 



85.9 



95.0 



77.7 



17.3 



25 



.658 



.732 



.555 



.177 



84.3 



93.6 



77.0 



16.6 



26 



.634 



.701 



.565 



.136 



81.0 



94.7 



76.0 



18.7 



27 



.651 



.704 



.608 



.096 



81.9 



93.7 



73.0 



20.7 



28 



.674 



.740 



.597 



.143 



85.4 



93.5 



77.8 



15.7 



29 



.653 



.733 



.561 



.172 



86.4 



94.0 



80.0 



11,0 



30 



.638 



.702 



.555 



.147 



s»;. 9 



95.2 



80.5 



14,7 



31 



.608 



.677 



.531 



.146 



88.1 



96.0 



83.0 



13.0 



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

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

 several hours during the day. 



