Meteorological Observations. 



111 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General 1 s Office, Calcutta, 



in the month of January, 1866. 



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

 dependent thereon. 





* J 



Range of the Bai 



ometer 



J2 



^3 *H 



Range of the Tempera- 





■+3 "« -+J 



III 

 w PQ <M 



for each hour during 



mS 



ture for 



each hour 





the month 







during 



the month. 



Hour. 



















Max. 



Min. 



Diff. 





Max. 



Min. 



Diff. 





Qj +-> C3 



















Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



















night. 



30.0-16 



30.119 



29.921 



0.198 



65.5 



72.4 



60.0 



12.4 



1 



.039 



.113 



.902 



.211 



64.8 



72.4 



58.8 



13.6 



2 



.030 



.106 



.886 



.220 



64.2 



72.0 



57.8 



15.2 



3 



.021 



.099 



.867 



.232 



63.6 



71.8 



57.4 



14.4 



4 



.014 



.094 



.818 



.246 



62.9 



70.4 



57.0 



13.4 



5 



.022 



.103 



.8(51 



.242 



62.3 



69.7 



56.4 



13.3 



6 



.038 



.120 



.867 



.253 



62.1 



69.5 



55.8 



13.7 



7 



.059 



.156 



.885 



.271 



61.8 



67.4 



56.0 



11.4 



8 



.088 



' .190 



.927 



.263 



63.7 



69.2 



57.8 



11.4 



9 



.114 



.215 



.957 



.258 



67.2 



73.2 



61.2 



12.0 



10 



.122 



.221 



.971 



.250 



70.8 



77.7 



63.8 



13.9 



11 



.105 



.197 



.960 



.237 



73.2 



79.4 



63.6 



15.8 



Noon. 



.075 



.167 



.935 



.232 



75.2 



81.6 



62.6 



19.0 



1 



.035 



.124 



.897 



.227 



76.5 



82.8 



62.4 



20.4 



2 



.007 



.091 



.871 



.220 



77.5 



84.0 



62.8 



21.2 



3 



29.989 



.077 



.861 



.216 



78.0 



84.7 



63.8 



20.9 



4 



.983 



.064 



.851 



.213 



76.8 



82.8 



64.4 



18.4 



5 



.992 



.077 



.864 



.213 



75.5 



81.5 



63.8 



17.7 



6 



.999 



.076 



.880 



.196 



72.6 



79.2 



62.6 



16.6 



7 



30.018 



.088 



.904 



.184 



70.9 



77.0 



62.8 



14.2 



8 



.035 



.109 



.929 



.180 



69.5 



75.3 



62.8 



12.5 



9 



.050 



.121 



.941 



.180 



68.1 



74.1 



62.6 



11.5 



10 



.056 



.137 



.940 



.197 



67.0 



73.4 



61.8 



11.6 



11 



.052 



.132 



.927 



.205 



66.1 



72.5 



60.6 



11.9 



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

 Thermometer Means are derived from the Observations made at the several 

 hours during the month. 



