Meteorological Observations. 



xlix 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of July 1867. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 



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

 dependent thereon. 





o f- 



w 4) 



Range of the Barometer 





Range of 



the Tempera- 





W c£o 



during the day. 





ture during the day. 



Date. 























d ** 













Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



1 



29.591 



29.631 



29.524 



0.107 



82.8 



89.4 



80.0 



9.4 



2 



.553 



.608 



.489 



.119 



81.1 



87.2 



78.2 



9.0 



3 



.548 



.627 



.498 



.129 



77.1 



79.4 



74.8 



4.6 



4 



.656 



.708 



.594 



.114 



81.6 



88.6 



76.0 



12.6 



6 



.701 



.740 



.650 



.090 



83.2 



87.2 



80.2 



7.0 



6 



.706 



.748 



.634 



.114 



84.6 



91.2 



81.4 



9.8 



7 



.681 



.731 



.636 



.095 



84.2 



87.5 



79.6 



7.9 



8 



.675 



.722 



.619 



.103 



83.2 



88.6 



79.0 



9.6 



9 



.684 



.730 



.625 



.105 



83.1 



88.0 



79.0 



9.0 



10 



.666 



.708 



.605 



.103 



84.1 



89.3 



80.4 



8.9 



11 



.645 



.690 



.579 



.111 



84.5 



90.2 



82.0 



8.2 



1L 



.666 



.715 



.597 



.118 



85.2 



90.0 



81.4 



8.6 



13 



.610 



.663 



.525 



.138 



86.4 



91.6 



82.0 



9.6 



14 



.537 



.599 



.458 



.141 



86.0 



93.5 



81.4 



12.1 



15 



.482 



.536 



.401 



.135 



87.3 



93.7 



83.0 



10.7 



16 



.451 



.494 



.375 



.119 



86.7 



92.4 



83.0 



9.4 



17 



.436 



.486 



.388 



.098 



85.1 



90.2 



82.0 



8.2 



18 



.482 



.525 



.430 



.095 



84.5 



89.4 



81.7 



7.7 



19 



.490 



.541 



.422 



.119 



84.0 



88.4 



80.5 



7.9 



20 



.436 



.481 



.370 



.111 



84.7 



90.2 



82.2 



8.0 



21 



.396 



.444 



.314 



.130 



85.5 



91.2 



81.4 



9.8 



22 



.465 



.536 



.385 



.151 



81.7 



86.0 



79.6 



6.4 



23 



.513 



.557 



.457 



.100 



83.5 



87.2 



80.4 



6.8 



24 



.501 



.544 



.447 



.097 



83.9 



88.5 



81.2 



7.3 



25 



.494 



.537 



.449 



.088 



82.6 



86.0 



81.0 



5.0 



26 



.521 



.559 



.476 



.083 



83.0 



87.8 



80.6 



7.2 



27 



.523 



.567 



.453 



.114 



83.8 



88.6 



80.0 



8.6 



28 



.487 



.534 



.419 



.115 



83.2 



86.0 



81.2 



4.8 



29 



.485 



.561 



.426 



.135 



81.7 



85.0 



78.5 



6.5 



30 



.584 



.641 



.526 



.115 



82.1 



87.5 



78.4 



9.1 



31 



.598 



.650 



.546 



.104 



82.9 



88.2 



79.0 



9.2 



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

 Thermometer Means are derived, from the hourLy observations, made during 

 the day. 



