Meteorological Observations xi 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the mo%th of February 1373. 



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



dependent thereon. 



Hoi 



o " 



5 2^ 

 cs PR co 



JRange of the Barometer 



for each hour during 



the month. 



Max. 



Min. 



Diff. 



PR B 



p a 



S3 jl 



Eange of the Tempera- 

 ture for each hour 

 during the month. 



Max. 



Min. 



Diff. 



Mid- 

 night. 

 1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



Noon 

 1 

 2 

 3 

 4 

 5 



9 

 10 

 11 



Inch 



29.73-8 

 .729 

 .723 

 .718 

 .723 

 .730 

 .735 

 .751 

 .733 

 .801 

 .807 

 .798 



.770 

 .737 

 .708 

 .696 

 .686 

 .686 

 .688 

 .711 

 .710 

 .757 

 .763 

 .717 



Inches. 



0.369 

 .372 

 .367 

 .360 

 .351 

 .351 

 .367 

 .371 

 .376 

 .382 

 .387 

 .381 



.377 

 .382 

 .377 

 .371 

 .371 

 .363 

 .369 

 .362 

 .357 

 .350 

 .317 

 .367 



69.3 

 68.6 

 67.8 

 67.2 

 66.5 

 65.8 

 65.2 

 61,7 

 67.0 

 71.4 

 75.7 

 78.9 



81.5 

 83.2 

 81.4 

 85.0 

 84.6 

 83.3 

 79.7 

 76.3 

 71.3 

 72.1 

 71.3 

 70.3 



77.5 

 76.5 

 75.6 

 75.0 

 71.7 

 71.2 

 73.5 

 73.7 

 75.0 

 79.0 

 83.0 

 86.8 



89.1 

 92.0 

 93.2 

 93.5 

 92.4 

 90.0 

 86.1 

 82.7 

 80.1 

 79.0 

 78.5 

 78.1 



62.2 

 61.5 

 60.5 

 60.0 

 59.5 

 59.0 

 58.5 

 57.9 

 60.5 

 64.4 

 66.4 

 67.5 



60.0 

 71.3 

 73.3 

 71,0 

 74.6 

 71.0 

 70.5 

 69.0 

 67.0 

 65.5 

 61.0 

 63.0 



15.3 

 15.0 

 15.1 

 15.0 

 15.2 

 15.2 

 15.0 

 15.8 

 31.5 

 14.6 

 16.6 

 19.3 



20.4 

 20.7 

 19.9 

 19.5 

 17.8 

 16.0 

 15.9 

 13.7 

 13.4 

 13.5 

 14.5 

 15.4 



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. 



