Meteorological Observations. xli 



Abstract of the Besults of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of June, 1857. 



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. 





C 03 

 -W 03 jj 



Range 



sf the Barometer 



9 3 



Range of the Tempera- 





Heigh 



Barom 



52° Fah 



during the day. 





ture during the day. 

















i 



at 



a as 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 



Q 



S 









£ 











Inches. 



Inches. 



Inches. 



Inches. 



o 







o 



o 



1 



29.569 



29.648 



29.490 



0.158 



86.7 



92.8 



81.4 



11.4 



2 



.545 



.612 



.461 



.151 



86.9 



92.4 



83.6 



8.8 



3 



.551 



.616 



.481 



.135 



86.9 



92.2 



81.6 



10.6 



4 



.555 



.599 



.472 



.127 



87.0 



92.9 



80.3 



12.6 



5 



.604 



.655 



.534 



.121 



84.9 



93.8 



80.6 



13.2 



6 



.627 



.663 



.581 



.082 



85.8 



93.2 



81.3 



11.9 



7 



Sunday. 

















8 



.567 



.625 



.485 



.140 



87.8 



95.0 



83.8 



11.2 



9 



.534 



.578 



.475 



.103 



88.7 



96.0 



82.8 



13.2 



10 



.565 



.613 



.494 



.119 



89.3 



97.2 



83.4 



13.8 



11 



.620 



.675 



.572 



.103 



89.0 



96.2 



83.4 



12.8 



12 



.610 



.662 



.525 



.137 



87.7 



95.8 



78.0 



17.8 



13 



.584 



.635 



.509 



.126 



86.6 



92.5 



82.0 



10.5 



14 



Sunday. 

















15 



.636 



.707 



.561 



.146 



87.0 



94.6 



82.0 



12.6 



16 



.598 



.675 



.505 



.170 



86.7 



94.0 



81.4 



12.6 



17 



.557 



.607 



.489 



.118 



86.1 



94.6 



81.7 



12.9 



18 



.527 



.588 



.467 



.121 



85.6 



93.6 



82.0 



11.6 



19 



.468 



.512 



.369 



.143 



84.2 



90.0 



82.0 



8.0 



20 



.396 



.448 



.316 



.132 



85.5 



90.6 



80.8 



9.8 



21 



Sunday. 

















22 



.302 



.353 



.249 



.104 



81.5 



86.1 



79.1 



7.0 



23 



.392 



.509 



.316 



.193 



82.4 



88.3 



78.2 



10.1 



24 



.549 



.618 



.493 



.125 



83.3 



87.4 



79.0 



8.4 



25 



.573 



.615 



.502 



.113 



84.5 



91.3 



80.6 



10.7 



26 



.533 



.575 



.477 



.098 



82.3 



88.8 



79.0 



9.8 



27 



.488 



.540 



.442 



.098 



81.2 



88.4 



77.0 



11.4 



28 



Sunday. 

















29 



.380 



.413 



.334 



.079 



80.2 



82.5 



78.8 



3.7 



30 



.421 



.459 



.351 



.108 



79.5 



84.5 



77.4 



7.1 



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. 



