Meteorological Observations, 



.Abstract of the Results of the Hourly Meteorological Observations 



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



in the month of May 18G9.- 



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

 dependent thereon. 





O rt 



.Range 



of the Barometer 



tS 



Range o 



* the Tempera- 





S M +s 



for each Lour during 



W J 



tiire for each hour 





the month 





hi 

 a a 



during 



the month. 



Hour. 

















kPQot 



Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 













^ 











Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



Mid- 



















night. 



29.6.72 



29.9.05 



29.465 



0.440 ■ 



82.7 



86.8 



76.3 



10.5 



'l 



.656 



.871 



.485 



.386 



82.6 



86.3 



77.0 



93 



2 



.645 



.838 



.476 



.362 



82,4 



85.4 



76.2 



9.2 



3- 



.640 



.807 



.475 



.332 



82.2 



84.5 



75.6 



8.9 



4 



.643 



..816- 



.521 



.295 



82.1 



84.7 



75.5 



9.2 



5 



.657 ' 



.843 ' 



.533 



.310 



82.0 



85.0 



76.0 



9.0 



6 



.673 



.859" 



.532 



.327 



82.2 



85.2 



76.0 



9.2 



7 



.696 ■ 



.877 



.563 



.314 



83.5 



86.0 



76.6 



9.4 



8 ■ 



.715 



.890' 



.582 



.308 



85.7 



88.3 



77.5 



10.8 



9 



.721 



.911 



.587 



.324 



87.9 



90.5 



78.6 



11.9 



10 



.721 



.889 ' 



.590 



.299 



89.8 



93.0 



80.4 



12.6 



11 



.712 



.871 



.561 



.310 



91.4 



96.0 



79.5 



16.5 



Noon . 



.696 



.858 



.539 



.319 



92.5 



97.1 



77.7 



19.4 



1 



.671 



.830 



.481 



.349 



93.4 



98.7 



77.7 



21.0 



2 



.647 



.811 



.441 



.370 



94.0 



99.7 



77.0 



22.7 



3 



.622 



.795 • 



.403 



• .392 



94.0 



100.0 



76.6 



23.4 



4 



.601 



.778" 



.353 



.425 



93.3 



98.5 



75.9 



22.6 



5 



.590 



..772 • 



.325 



- .447 



91.9 



97.0 



77.0 



20.0 



6 



.599 



,794 ' 



.317 



- .477 



89.6 



94.5 



76.6 



17.9 



7 



.620 



.802 ■ 



.330 



.472 



87.4 



91.3 



76.5 



14,8 



8 



.649 



..822 ' 



.351 



.471 



85.6 



89.6 



76.4 



13.2 



9 



.667 



..857 



.389 



• .468 



84.7 



88.7 



77.3 



11.4 



10 



.684 



.887 



.419 



.468 



83.6 



87.7 



76.6 



11.1 



11 



.684 



.918 ' 



.444 



.474 



82.8 



87.5 



75.5 



12.0 



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

 Thermometer Means arc derived from the observations made at the several 

 hours during the month. 



