Meteorological Observations. 



XXXlll 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office } Calcutta, 



in the month of May 1866. 



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, &c. of the Observations and of the Hygroinetrical elements 

 dependent thereon. 





^ CD 



Range of the Barometer 



rQ 



Range of the Tempera- 





Jfi Or 



gs2 



dui 



*ing the day. 





ture during the day. 



Date. 

















Max. 



Min. 



Diff. 



t£ 



Max. 



Min. 



Diff. 





£** 









£ H 











Inches. 



Inches. 



Inches. 



Inches. 







o 







o 



1 



29.827 



29.900 



29.736 



0.164 



81.4 



91.0 



72.4 



18.6 



2 



.838 



.890 



.807 



.083 



78.8 



87.4 



73.6 



13.8 



3 



.769 



.855 



.686 



.169 



78.9 



88.9 



71.7 



17.2 



4 



.705 



.758 



.628 



.130 



79.5 



89.8 



74.6 



15.2 



5 



.659 



.726 



.569 



.157 



82.2 



91.2 



72.7 



18.5 



6 



.579 



.630 



.482 



.148 



84.2 



93.2 



76.6 



16.6 



7 



.563 



.607 



.514 



.093 



84.4 



93.0 



76.0 



17.0 



8 



.583 



.634 



.542 



.092 



87.2 



94.9 



82.0 



12.9 



9 



.611 



.701 



.552 



.149 



88.3 



98.6 



82.4 



16.2 



10 



.674 



.733 



.606 



.127 



88.8 



99.2 



81.8 



17.4 



11 



.672 



.739 



.564 



.175 



86.9 



97.8 



78.4 



19.4 



12 



.622 



.675 



.543 



.132 



87.7 



96.7 



80.8 



15.9 



13 



.643 



.694 



.588 



.106 



88.5 



96.6 



82.0 



14.6 



14 



.681 



.740 



.612 



.128 



87.4 



96.4 



76.0 



20.4 



15 



.680 



.751 



.595 



.156 



84.8 



95.0 



76.4 



18.6 



16 



.652 



.693 



.561 



.132 



85.8 



96.3 



74.2 



22.1 



17 



.666 



.735 



.600 



.135 



85.9 



94.3 



78.2 



16.1 



18 



.665 



.720 



.586 



.134 



87.0 



95.8 



77.0 



18.8 



19 



.661 



.720 



.604 



.116 



87.9 



97.3 



79.2 



18.1 



20 



.681 



.740 



.624 



.116 



89.3 



97.8 



83.0 



14.8 



21 



.670 



.734 



.576 



.158 



89.3 



97.2 



83.8 



13.4 



22 



.621 



.672 



.532 



.140 



89.2 



95.8 



83.8 



12.0 



23 



.577 



.642 



.495 



.147 



89.3 



96.4 



83.8 



12.6 



24 



.599 



.647 



.497 



.150 



88.3 



96.8 



80.4 



16.4 



25 



.595 



.657 



.523 



.134 



90.0 



97.8 



84.0 



13.8 



26 



.614 



.680 



.553 



.127 



90.7 



102.6 



83.0 



19.6 



27 



.585 



.660 



.505 



.155 



92.0 



105.8 



83.0 



22.8 



28 



.553 



.617 



.479 



.138 



91.2 



101.0 



84,4 



16.6 



29 



.547 



.623 



.476 



.147 



90.3 



98.2 



84.6 



13.6 



30 



.610 



.677 



.542 



.135 



90.2 



98.4. 



83.0 



15.4 



31 



.633 



.690 



.537 



.153 



90.6 



98.0 



85.0 



13.0 



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

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

 the day. 



