Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 

 . taken at the Surveyor General' s Office, Calcutta, 

 in the month of July, 1857. 



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

 dependent thereon. 





ight of 

 ometer 

 Faht. 



Range of the Barometer for 



each hour during the 



month. 



so « 



Range of the Tempera- 

 ture for each hour 

 during the 



Hour. 











o i 



month. 







Max. 



Min. 



Diff. 



sj 



Max. 



Min. 



Diff. 





s 









S 











Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



Mid- 

 night. 



29.561 



29.744 



29.372 



0.372 



80.6 



83.2 



77.4 



5.8 



1 



.547 



.729 



.359 



.370 



80.4 



82.7 



77.5 



5.2 



2 



.535 



.713 



.348 



.365 



80.3 



82.9 



77.7 



5.2 



3 



.525 



.708 



.336 



.372 



80.1 



82.2 



78.1 



4.1 



4 



.528 



.704 



.328 



.376 



80.0 



82.0 



78.4 



3.6 



5 



.534 



.703 



.380 



.323 



79.9 



81.6 



78.4 



3.2 



6 



.549 



.715 



.353 



.362 



79.8 



81.8 



77.8 



4.0 



7 



.565 



.729 



.388 



.341 



80.3 



82.2 



77.8 



4.4 



8 



.578 



.751 



.410 



.341 



81.4 



84.2 



77.8 



6.4 



9 



.586 



.756 



.417 



.339 



82.5 



85.4 



78.4 



7.0 



10 



.588 



.754 



.421 



.333 



83.6 



86.8 



79.0 



7.8 



11 



.580 



.736 



.422 



.314 



84.4 



88.4 



79.2 



9.2 



Noon. 



.567 



.725 



.408 



.317 



84.3 



90.0 



79.6 



10.4 



1 



.550 



.705 



.384 



.321 



84.9 



90.0 



80.0 



10.0 



2 



.527 



.691 



.370 



.321 



85.0 



89.4 



80.0 



9.4 



3 



.510 



.682 



.349 



.333 



84.7 



89.4 



80.6 



8.8 



4 



.498 



.665 



.335 



.330 



84.4 



88.8 



80.2 



8.6 



5 



.496 



.654 



.341 



.313 



83.7 



87.0 



79.8 



7.2 



6 



.506 



.655 



.356 



.299 



83.2 



87.0 



79.2 



7.8 



7 



.527 



.664 



.373 



.291 



82.6 



86.6 



78.5 



8.1 



8 



.546 



.694 



.401 



.293 



81.9 



84.4 



78.3 



6.1 



9 



.566 



.725 



.419 



.306 



81.7 



84.0 



77.6 



6.4 



10 



.582 



.748 



.426 



.822 



81.5 



83.6 



77.2 



6.4 



11 



.581 



.741 



.422 



.319 



81.1 



83.4 



77.2 



6.2 



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

 Thermometers are derived from the observations made at the several hours 

 during the month. 



