Mefeorologica I Observations. 



ixxxvf. 



Abstract of the Results of the Hourly Meteorological Observation* 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of November 1870. 



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



dependent thereon. 



Hour. 



o & 



. bc ® 



53 S« 



.Range of the Barometer 



for each Lour during 



the month. 



Max. 



Min. 



Diff. 



pq£ 

 ha 



Range of the Tempera- 

 ture for each hour 

 during the month. 



Max. 



Mi 



Diff. 



Mid- 

 night. 



1 



2 



3 



4 



5 



6 



7 



8 



9 

 10 

 11 



Noon. 

 1 

 2 

 3 

 4 

 6 

 6 

 7 

 8 

 9 



10 

 11 



Inches. 



29.953 

 .945 



.936 

 .929 

 .931 

 .942 

 .961 

 .981 

 30.004 

 .020 

 .020 

 .001 



29.973 

 .943 

 .923 



.910 

 .907 

 .918 

 .928 

 .947 

 .962 

 .970 

 .973 

 .968 



Inches. 



30.063 

 .055 

 .044 

 .032 

 .038 

 .056 

 .079 

 .101 

 .128 

 .147 

 .142 

 .119 



.087 

 .061 

 .038 

 .029 

 .020 

 .031 

 .046 

 .060 

 .067 

 .077 

 .080 

 .075 



Inches. 



29.797 

 .785 

 .770 

 .757 

 .750 

 .760 

 .792 

 .814 

 .820 

 .838 

 .843 

 .823 



.804 

 .775 

 .753 



.744 

 .747 

 .762 

 .773 



.787 

 .804 

 .809 

 .809 

 .798 



Inches. 



.266 

 .270 

 .274 



.275 

 .282 

 .296 

 .287 

 .287 

 .308 

 .309 

 .299 

 .296 



.283 

 .286 

 .285 

 .285 

 .273 

 .269 

 .273 

 .273 

 .263 

 .268 

 .271 

 .277 



73.5 

 73.1 

 72-6 

 72,1 

 71.7 

 71.4 

 71.0 

 71.3 

 73.5 

 75.8 

 78.0 

 79.9 



80.8 

 81.4 

 81.6 

 81.4 

 80.5 

 79.6 

 77.6 

 76.4 

 75.6 

 74,8 

 74,1 

 73.6 



81.0 

 80.0 

 79.9 

 79.8 

 79,5 

 79.5 

 79.0 

 79.2 

 81.2 

 82.4 

 84.0 

 86.2 



65.5 

 64.8 

 64,0 

 63.0 

 62.8 

 62.5 

 62.0 

 62.0 

 66.0 

 68.5 

 70.5 

 73.2 



86.5 



75.0 



86.8 



76.0 



87.0 



77.0 



86.3 



77.0 



86.0 



76.0 



85.6 



750 



84.0 



72.5 



83.0 



70.5 



82.4 



69.0 



82.5 



68.0 



82.0 



66.8 



81.5 



66.5 



15.5 

 15 2 

 15.9 

 16.8 

 16.7 

 17.0 

 17.0 

 17.2 

 15.2 

 13.9 

 13.5 

 13.0 



11.5 

 10.8 

 10.0 

 9.3 

 10.0 

 10.6 

 11.5 

 12.5 

 13.4 

 14,5 

 15.2 

 15.0 



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

 Thermometer Means are derived from the observations made at the several 

 iiours during the moutk. 



