Meteorological Observations. 



XXX1U 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of May 1867. 



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



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



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

 dependent tliereon. 





o *-< 



Range of tlie Barometer 



;5 



Range of the Tempera- 





■ ^ K a 



during tlie day. 







ture during the 



day. 



Date. 



Wfg o 



















H ,.. CO 



55 2 -, 



Max. 



Min. I 



)iff. 



« Si 

 a, ^3 



Max. 



Min. 



Diff. 













S H 











IhcLes. 



Inches. 



Inches. In 



ches. 



o 







o 



o 



1 



29.735 



29.803 



29.649 ( 



).154 



88.3 



99.8 



78.3 



21.5 



2 



.750 



.834 



.651 



.183 



88.2 



99.0 



80.8 



18.2 



3 



.753 



.834 



.678 



.156 



87.6 



99.0 



78.0 



21.0 



4 



.727 



.802 



.636 



.166 



89.6 



100.6 



82.2 



18.4 



5 



.681 



.746 



.589 



.157 



90.2 



103.9 



81.0 



22.9 



6 



.676 



.740 



.605 



.135 



89.0 



100.2 



81.0 



19.2 



7 



.653 



.717 



.581 



.136 



88.4 



97.4 



81.0 



16.4 



8 



.661 



.737 



.575 



.162 



88.0 



97.6 



81.2 



16.4 



9 



.636 



.692 



.564 



.128 



88.0 



96.0 



82.2 



13.8 



10 



.725 



.825 



.653 



.172 



87.3 



95.0 



80.8 



14.2 



11 



.773 



.838 



.692 



.146 



81.7 



94.5 



76.6 



17.9 



12 



.741 



.802 



.671 



.131 



76.9 



79.3 



76.0 



3.3 



13 



.674 



.729 



.608 



.121 



78.2 



86.4 



72.5 



13.9 



14 



.680 



.732 



.623 



.109 



81.5 



90.0 



74.6 



15.4 



15 



.681 



.745 



.611 



.134 



85.6 



94.0 



77.4 



16.6 



16 



.660 



.720 



.608 



.112 



83.4 



88.4 



80.2 



8.2 



17 



.674 



.729 



.601 



.128 



86.1 



96.4 



77.8 



18.6 



18 



.660 



.715 



.589 



.126 



89.5 



101.0 



81.2 



19.8 



19 



.638 



.719 



.545 



.174 



88.8 



99.2 



80.0 



19.2 



20 



.644 



.696 



.589 



.107 



89.2 



98.8 



81.0 



17.8 



21 



.668 



.730 



.599 



.131 



89.3 



98.6 



82.6 



16.0 



22 



.641 



,704 



.536 



.168 



87.7 



98.4 



81.0 



17.4 



23 



.579 



.632 



.507 



.125 



87.6 



95.4 



81.2 



14,2 



24 



.561 



.613 



.489 



.124 



90.0 



99.0 



83.0 



16.0 



25 



.488 



.541 



.419 



.122 



91.5 



99.0 



86.0 



13.0 



26 



.433 



.481 



.374 



.107 



92.5 



102.2 



86.0 



16.2 



27 



.451 



.511 



.401 



.110 



92.5 



108.0 



85.5 



20.5 



28 



.494 



.552 



.407 



.145 



62.2 



103.8 



86.0 



17.8 



29 



.529 



.585 



.441 



.144 



91.6 



100-7 



85.4 



15.3 



30 



.555 



.614 



.469 



.145 



89.5 



99.2 



81.0 



18.2 



31 



.593 



.642 



.507 



.135 



88.4 



101-6 



81.2 



20.4 



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. 



