Meteorological Observations. 



lxxxi 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of November 186G. 



Latitude 22° 33' 1" North. Longitude 8b° 20' 31" East. 



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



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

 dependent thereon. 







Range of the Barometer 



r^ 

 ^ S 



Range of the Tempera- 





be ~ -j- 



• i-i ^ 13 



dm 



•ing the day. 





ture dm 



:ing the day. 



Date. 





• 







M 3 











g oo 



Max. 



Min. 



Diff. 



t =cl 



Max. 



Min. 



Diff. 





1ST " 









£ H 











Inches. 



Inches. 



Inches. 



Inches. 







o 



o 



o 



1 



29.907 



29.963 



29.861 



0.102 



80.0 



86.0 



74.2 



11.8 



2 



.954 



30.013 



.911 



.102 



79.9 



85.4 



74.8 



10.6 



3 



.989 



.059 





.116 



81.7 



88.6 



75.9 



12.7 



4 



30.002 



.074 



.915 



.129 



82.1 



87.8 



77.0 



10.8 



5 



29.972 



•045 



.921 



.121 



79.9 



84.0 



76.5 



7.5 



6 



.946 



.001 



.888 



.113 



7-.'. 5 



S5.0 



75.(5 



9.4 



7 



.936 



.009 



.872 



.137 



78. 9 



84.9 



73.4 



11.5 



8 



.910 



29.979 



.817 



.132 



78.6 



86.6 



72.0 



14.6 



9 



.900 



.961 



.8 L6 



.115 



78.3 



85.8 



72.0 



13.8 



10 



.859 



.915 



.786 



.129 



76.7 



81,0 



70.0 



14.0 



11 



.885 





.82U 



.115 



75.7 



83.6 



68.0 



15.6 



12 



.983 



30.047 



.925 



.1^2 



76.6 



83.6 



70.8 



12.8 



13 



30.021 



.096 



.965 



.131 



77.2 



84.8 



70.8 



14.0 



14 



.011 



.074 



.953 



.121 



77.4 



85.2 



71.2 



14.0 



15 



.054 



.124 



30.003 



.121 



77.1 



84.8 



70.4 



14.4 



16 



.082 



.143 



.037 



.10.3 



77.0 



84.1 



71.0 



13.1 



17 



.097 



.163 



.029 



.134 



76.2 



83.9 



70.2 



13.7 



18 



.063 



.142 



29.991 



.151 



76.0 



83.6 



70.0 



13.6 



19 



.050 



.121 



30.007 



.114 



76.0 



83.4 



70.0 



13.4 



20 



.032 



.106 



29.971 



.135 



75.5 



82.6 



69.2 



13.4 



21 



.026 



.094 



.959 



.135 



75.4 



82.6 



69.8 



12.8 



22 



.021 



.083 



.964 



.119 



74.1 



81.8 



67.2 



14.6 



23 



.000 



.058 



.939 



.119 



73.1 



81.0 



66.7 



14.3 



24 



29.990 



.064 



.931 



.133 



71.4 



80.1 



64.8 



15.3 



25 



.985 



.059 



.919 



.140 



71.3 



79.6 



64.0 



15.6 



26 



.936 



29.999 



.876 



.123 



70.4 



79.0 



62.8 



16.2 



27 



.915 



.991 



.890 



.101 



70.1 



78.0 



62.0 



16.0 



28 



30.000 



30.060 



.955 



.105 



72.0 



80.0 



64.4 



15.6 



29 



.029 



.095 



.983 



.112 



71.8 



80.4 



64.2 



16.2 



30 



.038 



.107 



.974 



.133 



71.7 



81.0 



65.0 



16.0 



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

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

 the day. 



