Meteorological Observe* lions. 



J-v 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in Ike mouth of February 1870. 



Latitude 22° 38' 1" North. Longitude 88° 20' 84* East. 



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



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

 dependent thereon. 





•~ o ^ 



liange of the Ba 

 during the d 



•ometer 



ay. 



n Dry Bulb 



rmometer. 



Range of the Te 

 lure during the 



mpera- 

 day. 



Date. 

















1 2 2 

 r3 



Max. 



Mm. 



Din: 





Max. 



Min. 



DiH\ 





Inches. 



Inches. 



Inches. 



Inches. 



O 



o 



o . 



o 



1 



29.943 



30.049 



29.879 



0.170 



68.5 



80.2 



57.6 



22.6 



2 



.879 



29.962 



.814 



.148 



7O.0 



81.9 



60.0 



21.9 



3 



.822 



.891 



.761 



.130 



73.0 



85.5 



63.5 



22.0 



4 



.808 



.899 



.751 



.148 



74,0 



86.3 



65.0 



21.3 



5 



.779 



.836 



.731 



.105 



76.2 



86.8 



68.4 



18.4 



a 



.833 



.916 



.782 



.134 



75.2 



85. 5 



66.5 



19.0 



7 



.845 



.920 



.793 



.127 



73.8 



85.3 



63.7 



21.6 



8 



.881 



.971 



.835 



.136 



73.6 



85.0 



05.6 



19.4 



9 



.867 



.952 



.796 



.156 



75.5 



87.0 



66.7 



20.3 



10 



.901 



.976 



.844 



.132 



75.7 



87.0 



06.5 



20.5 



11 



.928 



30.020 



.871 



.349 



75.5 



86.0 



63.2 



19.8 



12 



.942 



.014 



.880 



.134 



76.8 



87.8 



67.3 



20.5 



13 



.920 



.004 



.843 



.161 



77.4 



88.0 



68.2 



19.8 



U 



.889 



29.979 



.832 



.147 



76.7 



86.0 



68.5 



17.5 



15 



.949 



30.053 



.897 



.156 



73.9 



82.0 



67.2 



14.8 



16 



.923 



.007 



.860 



.147 



71.3 



81.2 



62.0 



19.2 



17 



.912 



29.984 



.869 



.115 



71.4 



82.5 



62.9 



19.6 



18 



.955 



30.025 



.916 



.109 



71.9 



83.4 



62.0 



21.4 



19 



.986 



.070 



.935 



.135 



73.8 



85.5 



66.0 



19.5 



20 



.990 



.096 



.930 



.166 



71.0 



82.0 



62.0 



20.0 



21 



.994 



.070 



.934 



.136 



71.3 



SI. 7 



61.0 



20.7 



22 



.988 



.061 



.913 



.148 



72.8 



81,5 



62.8 



21.7 



23 



30.013 



.110 



.941 



.169 



74.6 



85.6 



64.0 



21.6 



24 



29.987 



.063 



.918 



A^o 



75.7 



87.5 



66.0 



21.5 



25 



.985 



.068 



.914 



.154 



76.2 



87.0 



66.5 



20.5 



26 



.985 



.061 



.923 



.138 



77.7 



86.8 



71.0 



15.8 



27 



.963 



.031 



.894 



.137 



78.2 



88.2 



72.0 



16.2 



28 



.966 



.046 



.909 



.137 



76.6 



87.5 



68.3 



19.2 



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

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

 the day. 



