Meteorological Observations. 



xliii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of June 1875. 



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 Hygrometrical elements 



dependent thereon. 





o *-< 



Barige 



of the Ba 



•ometer 



^3 



Bange 



of t^\e Tempera- 





5 | £ 



during the d 



ay. 



0> 



ture during the day., 





41 2 p^ 

















Date. 

















rt ffl(M 









pi s 













Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



O 



o 



o 



o 



1 



29.566 



29.639 



29.466 



0.173 



87.4 



97.7 



79.0 



18.7 



2 



.525 



.575 



.110 



.135 



88.4 



96.6 



79.9 



16.7 



3 



.508 



.580/ 



.439 



.141 



88.1 



98.0 



83.7 



14.3 



4 



.470 



.537 



.375 



.162 



90.1 



98.7 



83.3 



15.4 



5 



.453 



.50] 



,.'568 



.410 



.091 



84.1 



88.5 



80.0 



8.5 



6 



.504 



.457 



.111 



84.6 



92.5 ' 



80.0 



12.5 



7 



.580 



.673 



.511 



.162 



87.3 



95.0 



80.2 



14.8 



8 



.679 



.738 



.613 



.125 



82.4 



89.7 



78.7 



11.0 



9 



.695 



.769 



.618 



.151 



82.3 



85.5 



80.0 



5.5 



10 



.6i3 



.663 



.555 



.108 



83.3 



86.5 



79.6 



6.9 



11 



.564 



.606 



.512 



.094 



82.4 



84.5 



80.5 



4.0 



12 



.589 



.664 



.529 



.135 



80.5 



82.6 



' 77.2 



5.4 



13 



.632 



.692 



.579 



.113 



82.9 



85.7 



81.0 



4.7 



14 



.595 



.664 



.517 



.147 



84,1 



92.2 



79.5 



12.7 



15 



.526 



.583 



.461 



.122 



86.1 



93.0 



80.5 



12.5 



16 



.541 



.613 



.482 



J31 



85.9 



94.0 



81.0 



13.0 



17 



.586 



.649 



.524 



.125 



83.5 



89.5 



79.8 



9.7 



18 



.563 



.617 



.484 



.133 



83.1 



89.3 



80.0 



9.3 



19 



.519 



.560 



.454 



.106 



82.2 



8fi.5 



79.5 



7.0 



20 



.515 



.548 



.458 



.090 



83.0 



87.7 



79.5 



8.2 



21 



.521 



.573 



.475 



.098 



85.5 



90.8 



82.0 



8.8 



22 



.497 



.550 



.455 



.095 



83.2 



88.5 



80.9 



7.6 



23 



.445' 



.509 



.366 



.143 



80.4 



82.0 



79.5 



2.5 



24 



.469 



.540 



.425 



.115 



82.3 



86.0 



78.5 



7.5 



25 



.520 



.574 



.468 



.106 



83.5 



88.7 



81.0 



7.7 



26 



.512 



.549 



.463 • 



.086 



83.7 



90.4 



81.0 



9.4 



27 



.480 



.523 



.409 



.114 



83.3 



8(5.1 



81.0 



5.4 



28 



.404 



.471 



.322 



.1 19 



82.2 



SCO 



79.5 



6.5 



29 



.411 



.456 



.35:1 



.103 



82.6 



86.7 



80.0 



6.7 



30 



.430 



.478 



.384 



.091 



80.5 



82.4 



77.9 



4.5 



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. 



