Meteorological Observations. 



Hi 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of July 1869. 



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

 dependent thereon. 





«4H +? 



.Range of the Barometer 



£ 



Range of the Tempera- 





S o • 



for each hour during 





ture for each hour 





r3 J2 4J 



the month. 



£ ° 



during 



the month. 



Hour. 



















Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





w2 ® 

 ^3 









l H 









• 



Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



Mid- 



















night. 



29.567 



29.684 



29.446 



0.238 



82.2 



85.0 



79.0 



6.0 



1 



.556 



.669 



.434 



.235 



82.0 



84.5 



78.8 



5.7 



2 



.545 



.664 



.418 



.246 



81.7 



84.3 



78.5 



5.8 



3 



.536 



.658 



.395 



.263 



81.5 



84.0 



78.0 



6.0 



4 



.529 



.646 



.385 



.261 



81.3 



84.0 



77.5 



6.5 



5 



.535 



.664 



.389 



.275 



81.0 



83.5 



78.0 



5.5 



6 



.548 



.679 



.399 



.280 



81.1 



83.5 



78.0 



5.5 



7 



.564 



.700 



.432 



.268 



81.9 



84.5 



78.7 



5.8 



8 



.578 



.714 



.451 



.263 



83.1 



86.0 



79.5 



6.5 



9 



.586 



.728 



.460 



.268 



84.0 



87.5 



79.0 



8.5 



10 



.588 



.744 



.458 



.286 



85.0 



89.7 



78.5 



11.2 



11 



.581 



.736 



.452 



.284 



86.0 



90.7 



78.5 



12.2 



Noon. 



.568 



.716 



.441 



.275 



86.6 



91.0 



78.2 



12.8 



1 



.548 



.694 



.409 



' .285 



87.2 



92.0 



78.2 



13.8 



2 



.527 



.667 



.403 



.264 



87.0 



92.3 



80.0 



12.3 



3 



.508 



.641 



.380 



.261 



86.5 



92.6 



80.6 



12.0 



4 



.494 



.628 



.368 



.260 



86.6 



92.7 



80.7 



12.0 



5 



.492 



.628 



.358 



.270 " 



86.3 



92.0 



80.5 



11.5 



6 



.503 



.647 



.370 



.277 



85.5 



90.5 



80.0 



10.5 



7 



.525 



.676 



.396 



.280 



84.4 



87.9 



79.5 



8.4 



8 



.545 



.700 



.409 



.291 



83.7 



8?.0 



80.0 



7.0 



9 



.565 



.706 



.421 



.285 



83.3 



86.5 



79.5 



7.0 



10 



.578 



.712 



.453 



.259 



83.0 



85.5 



79.0 



6.5 



11 



.576 



.692 



.451 



.241 



82.5 



85.2 



79.0 



6.2 



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. 



