Meteorological Observations. 



xv 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of December, 1856. 



Latitude 22° 33' 1" North. Longitude 88° 20' 24" 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 CD 









*° £ 











JJ <u -J 



Range 



of the Barometer 



S » 



Range of the Te 



mpera- 







during the d 



ay. 





ture during the 



day. 





B«& 









p a 























to 

 d 





Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 



Q 



s 









S 











Inches. 



Inches. 



Inches. 



Inches. 











o 



o 



1 



29.983 



30.051 



29.931 



0.120 



71.8 



80.2 



65.8 



14.4 



2 



.980 



.045 



.928 



.117 



71.9 



79.9 



66.5 



13.4 



3 



.991 



.053 



.937 



.116 



71.6 



79.0 



66.2 



12.8 



4 



30.019 



.086 



.967 



.119 



71.4 



80.2 



65.0 



15.2 



5 



.032 



.095 



.974 



.121 



71.9 



80.8 



65.3 



15.5 



6 



.039 



.109 



.975 



.134 



71.3 



79,9 



64.6 



15.3 



7 



Sunday. 

















8 



.053 



.113 



.993 



.120 



69.9 



79.0 



62.4 



16.6 



9 



.067 



.139 



30.016 



.123 



69.7 



77.0 



64.0 



13.0 



10 



.071 



.141 



.016 



.125 



69.8 



75.2 



66.1 



9.1 



11 



.050 



.125 



29.988 



.137 



69.1 



78.9 



62.0 



16.9 



12 



.052 



.121 



.987 



.134 



69.2 



78.3 



62.7 



15.6 



13 



.070 



.151 



30.028 



.123 



68.0 



78.4 



60.7 



17.7 



14 



Sunday. 

















15 



.015 



.100 



29.948 



.152 



67.5 



77.5 



59.8 



17.7 



16 



29.987 



.054 



.922 



.132 



67.8 



77.6 



60.6 



17.0 



17 



.998 



.078 



.942 



.136 



67.5 



77.5 



60.0 



17.5 



18 



.985 



.068 



.937 



.131 



65.0 



75.3 



57.0 



18.3 



19 



30.001 



.070 



.953 



.117 



65.2 



76.0 



56.9 



19.1 



20 



.038 



.125 



.990 



.135 



64.6 



75.4 



56.4 



19.0 



21 



Sunday. 

















22 



.083 



.172 



30.035 



.137 



65.5 



75.0 



59.4 



15.6 



23 



.075 



.146 



29.999 



, .147 



64.8 



75.6 



55.8 



19.8 



24 



.029 



.102 



.957 



.145 



66.6 



76.2 



57.2 



19.0 



25 



Xmas. 

















26 



.041 



.103 



.992 



.111 



69.6 



80.6 



61.6 



19.0 



27 



.069 



.151 



30.007 



.144 



70.1 



80.6 



62.2 



18.4 



28 



Sunday. 

















29 



29.966 



.059 



.916 



.143 



67.0 



77.2 



58.8 



18.4 



30 



.984 



.061 



.927 



.134 



68.0 



77.4 



60.0 



17.4 



31 



.973 



.045 



.906 



.139 



67.4 



76.6 



60.1 



16.5 



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. b 



