Meteorological Observations. 



xxxin 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General* s Office, Calcutta, 

 in the month of May, 1859. 



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



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.11 



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

 dependent thereon. 





O <D 



13 <U «' 



Range 



of the Barometer 



pq o> 



Range of the Tempera- 





r=5 g -5 



during the day. 



fr§ 



ture during the 



day. 





43 &* " 

















Date. 

















a <u ** 









5 -=* 











« j3 -ij 



Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





1" 









H 











Inches. 



Inches. 



Inches. 



Inches. 















o 



1 



Sunday. 

















2 



29.798 



29.859 



29.717 



0.142 



85.0 



94.2 



77.4 



16.8 



3 



.773 



.841 



.674 



.167 



87.1 



97.0 



79.6 



17.4 



4 



.778 



.905 



.652 



.253 



85.5 



97.3 



72.6 



24.7 



5 



.791 



.878 



.708 



.170 



78.9 



91.4 



72.0 



19.4 



6 



.775 



.872 



.696 



.176 



82.9 



91.0 



73.4 



17.6 



7 



.739 



.786 



.671 



.115 



81.6 



93.9 



75.1 



18.8 



8 



Sunday. 

















9 



.769 



.838 



.701 



.137 



85.3 



93.0 



78.6 



14,4 



10 



.747 



.830 



.660 



.170 



87.0 



95.6 



80.0 



15.6 



11 



.689 



.761 



.563 



.198 



88.1 



98.2 



81.2 



17.0 



12 



.685 



.731 



.588 



.143 



86.7 



96.4 



80.0 



16.4 



13 



.674 



.730 



.594 



.136 



89.0 



99.4 



80.6 



18.8 



14 



.686 



.742 



.602 



.140 



87.9 



98.6 



81.2 



17.4 



15 



Sunday. 

















16 



.689 



.755 



.606 



.149 



87.6 



98.6 



78.6 



20.0 



17 



.691 



.749 



.618 



.131 



87.5 



98.4 



80.4 



18.0 



18 



.752 



.824 



.679 



.145 



85.8 



95.0 



76.2 



18.8 



19 



.649 



.715 



.554 



.161 



88.5 



95.3 



83.2 



12.1 



20 



.597 



.660 



.500 



.160 



88.4 



95.8 



81.7 



14.1 



21 



.627 



.678 



.527 



.151 



87.1 



97.5 



79.5 



18.0 



22 



Sunday. 

















23 



.651 



.707 



.579 



.128 



88.9 



96.8 



83.0 



13.8 



24 



.667 



.710 



.590 



.120 



87.3 



93.6 



77.4 



16.2 



25 



.672 



.722 



.557 



.165 



84.8 



95.4 



76.0 



19.4 



26 



.661 



.730 



.590 



.140 



86.0 



93.8 



77.6 



16.2 



27 



.692 



.781 



.629 



.152 



85.9 



93.2 



77.4 



15.8 



28 



.677 



.750 



.580 



.170 



85.3 



94.4 



76.2 



18.2 



29 



Sunday. 

















30 



.602 



.674 



.506 



.168 



88.4 



97.8 



82.2 



15.6 



31 



.640 



.709 



.569 



.140 



82.6 



90.5 



78.0 



12.5 



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

 Thermometers are derived from the twenty-four hourly observations made during 

 the day. 



