Meteorological Observations. 



xxxv 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of May 1866. 



Hourly Moans, &c. of the Observations and of the Hygrometrical elements 

 dependent thereon. 





© c3 



.Range of the Barometer 



rfi 



Uange of the Tempera- 







for each hour during 



w £ 



ture for each hour 







the month 







during the mouth. 



Hour. 









n a 













Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 













l H 











Inches. 



Inches. 



Inches. 



Inches. 







o 











Mid- 



















night. 



29.6G0 



29.868 



29.545 



0.323 



82.2 



86.8 



73.2 



13.6 



1 



.650 



.858 



.534 



.324 



81.9 



86.2 



73.2 



13.0 



2 



.639 



.839 



.525 



.314 



81.7 



85.6 



72.9 



12.7 



3 



.630 



.826 



.511 



.315 



81.4 



85.8 



72.6 



13.2 



4 



.635 



.823 



.531 



.292 



81.1 



85.8 



72.2 



13.6 



5 



.646 



.830 



.540 



.290 



81.0 



85.6 



71.7 



13.9 



6 



.660 



.846 



.571 



.275 



81.1 



86.6 



72.0 



14.6 



7 



.677 



.868 



.573 



.295 



82.5 



88.2 



73.4 



14.8 



8 



.693 



.895 



.582 



.313 



85.2 



89.8 



77.0 



12.8 



9 



.700 



.900 



.582 



.318 



88.1 



93.6 



80.7 



12.9 



10 



.701. 



.896 



.582 



.314 



90.5 



96.5 



83.6 



12.9 



11 



.690 



.874 



.568 



.306 



92.6 



97.4 



85.2 



12.2 



Noon. 



.673 



.851 



.548 



.303 



94.1 



101.4 



85.6 



15.8 



1 



.650 



.827 



.535 



.292 



95.1 



103.0 



86.8 



16.2 



2 



.626 



.820 



.521 



.299 



95.3 



104.4 



74.3 



30.1 



3 



.604 



.818 



.512 



.306 



95.4 



105.8 



76.7 



29.1 



4 



.585 



.811 



.481 



.330 



94.3 



105.0 



75.6 



29.4 



5 



.576 



.812 



.476 



.336 



92.7 



101.5 



75.7 



25.8 



6 



.589 



.813 



.488 



.325 



89.8 



96.5 



74.8 



21.7 



7 



.613 



.822 



.496 



.326 



86.8 



91.6 



74.2 



17.4 



8 



.635 



.838 



.516 



.322 



84.6 



90.0 



74,2 



15.8 



9 



.653 



.843 



.549 



.294 



83.7 



88.2 



73.6 



14.6 



10 



.661 



.842 



.561 



.281 



83.3 



88.0 



74.2 



13.8 



11 



.663 



.856 



.573 



.283 



82.7 



87.6 



73.8 



13.8 



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

 Thermometer Means are derived from the observations made at the several 

 hours during the month. 



