Meteorological Observafious 



XCVll 



Abstract of the Besults of the Hourly Meteorological Ohservat'ions 



taken at the Surveyor GeneraVs Office, Calcutta, 



in the month of December 1874. 



Hourly Means, &c. of tlie Observations and*of tlie Hygromelrical elements 



dependent tliereon. 





^^ 



i J?ange of tlie Ba 



rometer 



; ^ 



Uange 



of the Tempera- 







for eacli hour 

 the montL 



luring 



Pi 



' ture for eaeli hour 

 i during tie month. 



Hour. 

















Sal? 



0) fl^ 



Max. 



Min. 



Diff. 





Max. 



Min. 



1 DiflF. 





si 









^^ 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



















night. 



30.040 



30.093 



29.900 



0.193 



63.5 



68.5 



58.4 



10.1 



1 



.031 



.082 



.889 



.193 



62.8 



68.0 



67.2 



10.8 



2 



.021 



.070 



.876 



.194 



62.2 



67.5 



56.4 



11.1 



3 



.011 



.060 



.865 



.195 



61.5 



67.0 



56.2 



10.8 



4 



.013 



.052 



.872 



.180 



60.9 



66.4 



56.0 



1U.4 



5 



.026 



.063 



.882 



.181 



60.3 



65.8 



55.5 



10.3 



6 



.043 



.084 



.901 



.183 



59.7 



65.0 



54.0 



11.0 



7 



.063 



.105 



.917 



.188 



59.5 



64.6 



53.9 



10.7 



8 



.089 



.131 



.946 



.185 



61.5 



65.6 



55.0 



10.6 



9 



.110 



.154 



.983 



.171 



65.4 



70.5 



58.5 



12.0 



10 



.113 



.157 



.985 



.172 



69.1 



74.2 



62.2 



12.0 



11 



.094 



.144 



.979 



.165 



72.0 



75.6 



65.4 



10.2 



Noon. 



.060 



.106 



.946 



.160 



73.9 



77.7 



67.5 



40.2 



1 



.027 



.072 



.924 



.148 



75.4 



78.1 



69.2 



8.9 



2 



.003 



.044 



.912 



.132 



76.2 



78.8 



70.5 



8.3 



3 



29.988 



.030 



.892 



.138 



76.2 



79.3 



71.0 



8.3 



4 



.986 



.023 



.882 



.141 



75.0 



78.0 



70.0 



8.0 



5 



.993 



.033 



.883 



.150 



73.4 



76.0 



68.5 



7.5 



6 



30.006 



.053 



.885 



.168 



70.5 



73.5 



65.5 



8.0 



7 



.022 



.073 



.905 



.168 



68.5 



72.0 



63.5 



8.5 



8 



.039 



.088 



.926 



.162 



67.1 



71.0 



62.3 



8.7 



9 



.050 



.100 



.931 



.169 



66.0 



70.8 



61.0 



9.8 



10 



.057 



.096 



.931 



.165 



65.0 



69.7 



60.0 



9.7 



11 



.050 



.091 



.928 



.163 



64.2 



69.0 



59.0 



10.0 



The Mean Height of the Barometer, os likewise the Dry and Wet Bulb. 

 Thermometer Means are derived from the observations made at the several 

 hours during the month. 



