Meteorological Observations, 



xix 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor GeneraVs Office, Calcutta, 

 in the month of March, 1859. 



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

 dependent thereon. 



Hour. 



ean Height of 

 the Barometer 

 at 32° Faht. 



Ran^e of the Barometer for 



each hour during the 



month. 





Range of the Tempera- 

 ture for each hour 

 during the 

 month. 





Max. 



Min. 



DiJf. 



Max. 



Min. 



Diff. 





£ 









§ 











Inches. 



Inches. 



Inches. 



Inches. 















o 



Mid- 

 night. 



29.876 



29.978 



29.738 



0.240 



75.2 



81.7 



64.0 



17.7 



1 



.864 



.972 



.731 



.241 



74.6 



81.8 



64.4 



17.4 



2 



.852 



.953 



.721 



.232 



74.1 



80.5 



64.2 



16.3 



3 



.843 



.949 



.719 



.230 



73.6 



80.4 



64.6 



15.8 



4 



.845 



.974 



.724 



.250 



73.6 



80.2 



64.0 



16.2 



5 



.860 



.986 



.744 



.242 



73.4 



79.6 



63.8 



15.8 



6 



.874 



30.017 



.763 



.254 



73.0 



79.3 



63.6 



15.7 



7 



.901 



.031 



.779 



.252 



73.2 



79.7 



64.0 



15.7 



8 



.932 



.055 



.822 



.233 



75.5 



81.8 



65.4 



16.4 



9 



.945 



.077 



.841 



.236 



77.9 



83.4 



66.0 



17.4 



10 



.951 



.071 



.851 



.220 



80.4 



85.4 



66.6 



18.8 



11 



.943 



.076 



.838 



.238 



82.7 



88.0 



66.2 



21.8 



Noon. 



.921 



.032 



.814 



.218 



84.6 



91.2 



64.8 



26.4 



1 



.891 



29.994 



.792 



.202 



85.9 



92.4 



65.4 



27.0 



2 



.860 



.966 



.761 



.205 



86.2 



92.6 



67.4 



25.2 



3 



.837 



.949 



.734 



.215 



86.3 



93.3 



69.8 



23.5 



4 



.832 



.929 



.749 



.180 



85.7 



93.0 



69.2 



23.8 



5 



.822 



.922 



.723 



.199 



84.2 



91.6 



68.6 



23,0 



6 



.833 



.926 



•724 



.202 



81.8 



88.8 



65.6 



23.2 



7 



.849 



.943 



.719 



.224 



79.7 



86.7 



65.0 



21.7 



8 



.872 



.983 



.749 



.234 



78.1 



84.8 



64.8 



20.0 



9 



.886 



30.003 



.761 



.242 



77.1 



84.2 



65.8 



18.4 



10 



.896 



.005 



.775 



.230 



76.2 



82.0 



65.0 



17.0 



11 



.893 



.019 



.782 



.237 



75.6 



82.0 



63.4 



18.6 



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

 Thermometers are derived from the observations made at the several hours 

 during the month. 



