Meteorological Observations. 



Abstract of tie Besults of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month, of May, 1860. 



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



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.11 



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

 dependent thereon. 







Range < 



)f the Barometer 



w 2 



Range of the Tempera- 





■as- 



fir 



- a m 



during the d; 



y- 



frl 



ture during the day. 

















Date. 









| 











Max. 



Min. 



Diff. 



0) C™ 1 



3 



Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 







o 











1 



29.670 



29.736 



29.586 



0.150 



89.1 



98.6 



82.3 



16.3 



2 



.619 



.702 



.506 



.196 



88.7 



97.6 



82.8 



14.8 



3 



.655 



.694 



.596 



.098 



84.0 



95.6 



72.9 



22.7 



4 



.694 



.807 



.633 



.174 



82.4 



93.0 



72.8 



20.2 



5 



.752 



.845 



.676 



.169 



83.5 



90.1 



78.4 



11.7 



6 



Sunday. 

















7 



.753 



.812 



.661 



.151 



84.7 



95.0 



74.8 



20.2 



8 



.719 



.786 



.612 



.174 



84.2 



93.1 



75.0 



18.1 



9 



.626 



.697 



.544 



.153 



85,6 



95.3 



76.4 



18.9 



10 



.624 



.683 



.540 



.143 



87.9 



94.8 



83.6 



11.2 



11 



.652 



.705 



.576 



.129 



86.8 



97.0 



77.4 



19.6 



12 



.665 



.738 



.580 



.158 



86.6 



96.8 



77.2 



19.6 



13 



Sunday. 

















14 



.600 



.654 



.532 



.122 



91.1 



102.8 



82.4 



20.4 



15 



.625 



.715 



.560 



.155 



93.0 



103.5 



84.2 



19.3 



16 



.628 



.697 



.566 



.131 



92.0 



104.0 



84.0 



20.0 



17 



.636 



.691 



.574 



.117 



90.3 



100.6 



83.8 



16.8 



18 



.650 



.722 



.585 



.137 



90.3 



100.1 



84.2 



15.9 



19 



.672 



.755 



.621 



.134 



90.3 



100.4 



83.2 



17.2 



20 



Sunday. 

















21 



.613 



.691 



.523 



.168 



93.2 



105.8 



84.2 



21.6 



22 



.561 



.627 



.477 



.150 



93.2 



105.2 



84.8 



20.4 



23 



.524 



.594 



.447 



.147 



91.6 



102.8 



85.0 



17.8 



21 



.529 



.579 



.452 



.127 



90.3 



100.2 



83.8 



16.4 



25 



.528 



.580 



.447 



.133 



89.6 



98.6 



84.0 



14.6 



26 



.507 



.557 



.434 



.123 



89.8 



100.2 



83.6 



16.6 



27 



Sunday. 

















28 



.535 



.602 



.477 



.125 



88.2 



100.8 



80.0 



20.8 



29 



.517 



.583 



.443 



.140 



88.6 



97.6 



80.S 



16.8 



30 



.490 



.563 



.428 



.135 



90.1 



97.4 



84.8 



12.6 



31 



.507 



.590 



.417 



.173 



89.8 



99.0 



81.2 



17.8 



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

 Thermometers are derived from the twenty-four hourly observations made during 

 the day. 



