Meteor o logical Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor GeneraVs Office. Calcutta, 



in the month of July, 1864. 



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

 dependent thereon. 





I 





Range c 



f the Barometer 



"5 ^ 



Range of the Temperature 







for each hour d 



iring 



CQ ^ 

 ,►» o 



for 



each hour c 



uring 





.£» P (£4 



t 



\e month. 







the month 





Hour. 



ffl cq oj 









G 1 



_ CD 

























?3 ^3 -H 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





I" 









§ 











Inches. 



Inches. 



Indies. 



Inches. 







o 







o 



Mid- 

 night. 



29.521 



29.636 



29.412 



0.224 



82.1 



86.4 



78.8 



7.6 



1 



.505 



.610 



.403 



.207 



81.9 



85.6 



78.6 



7.0 



2 



.499 



.596 



.378 



.218 



81.4 



85.2 



77.4 



7.8 



3 



.488 



.594 



.355 



.239 



81.2 



84.9 



77.0 



7.9 



& 



.482 



.602 



.344 



.258 



80.7 



84.2 



77.4 



6.8 



5 



.494 



.605 



.353 



.252 



80.7 



83.2 



76.8 



6.4 



6 



.510 



.635 



.385 



.250 



80.6 



82.6 



77.0 



5.6 



7 



.520 



.644 



.385 



.259 



81.2 



83.4 



77.6 



5.8 



8 



.532 



.647 



.381 



.266 



82,5 



84.8 



77.6 



7.2 



9 



.541 



.661 



.373 



.288 



83.8 



86.6 



79.0 



7.6 



10 



.543 



.660 



.360 



.300 



84.7 



88.1 



80.2 



7.9 



11 



.539 



.652 



.341 



.311 



85.4 



88.6 



80.0 



8.6 



Noon. 



.527 



.641 



.338 



.303 



86.3 



90.2 



80.2 



10.0 



1 



.510 



.625 



.334 



.291 



86.5 



90.4 



79.8 



10.6 



2 



.489 



.604 



.313 



.291 



86,1 



91.2 



80.0 



11.2 



3 



.471 



.581 



.313 



.268 



85.8 



89.8 



80.2 



9.6 



4 



.459 



.576 



.314 



.262 



85.8 



89.6 



80.0 



9.6 



5 



.458 



.582 



.319 



.263 



84.9 



88.4 



80.4 



8.0 



6 



.461 



.582 



.332 



.250 



84.4 



87.3 



80.0 



7.3 



7 



.480 



.601 



.355 



.246 



83.5 



86.6 



80.0 



6.Q 



8 



.499 



.627 



.381 



.246 



82.9 



86.0 



80.1 



5.9 



9 



.517 



.655 



.389 



.266 



82.7 



85.4 



80.0 



5.4 



10 



.532 



.669 



.399 



.270 



82.6 



85.4 



80.2 



5.2 



11 



.535 



.661 



.421 



.240 



82.3 



86.2 



79.2 



7.0 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 

 mometer Means are derived from the Observations made at the several hours 

 during the month. 



