\.< ' 



Meteorological Observations. 



lxxiii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of January, 1862. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" 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. 





«4-« i- 



















o <u 



Range 



of the Barometer 



3 % 



Range of the Tempera- 





f IS 



during the d< 



iy. 





ture du 



■ing the 



day. 





i-ri =* o 



a »« 









q a 



a u 



s5 









<0 



Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 



OS 



Q 



i" 









!§ 











Inches. 



Inches. 



Inches. 



Inches. 











o 







1 



30.037 



30.099 



29.981 



0.118 



65.5 



74.8 



59.0 



15.8 



2 



.044 



.108 



.985 



.123 



65.7 



74.3 



59.2 



15.1 



3 



.099 



.183 



30.053 



.130 



65.5 



74.6 



58.4 



162 



4 



.086 



.152 



.040 



.112 



65.5 



74.8 



58.0 



16.8 



5 



Sunday. 

















6 



.003 



.080 



29.953 



.127 



66.3 



•75.8 



58.8 



17.0 



7 



29.987 



.076 



.929 



.147 



67.3 



77.8 



58.4 



19.4 



8 



.933 



.035 



.870 



.165 



69.7 



78.0 



62.6 



15.4 



9 



.881 



29.938 



.818 



.120 



70.9 



75.4 



67.2 



8.2 



10 



.931 



.996 



.882 



.114 



69.7 



76.8 



65.8 



11.0 



11 



30.019 



30.093 



.940 



.153 



67.1 



75.4 



61.6 



13.8 



12 



Sunday. 

















13 



.006 



.074 



.956 



.118 



67.9 



74.4 



62.4 



12.0 



14 



.048 



.112 



30.000 



.112 



68.1 



75.4 



60.8 



14.6 



15 



.059 



.140 



.009 



.131 



69.1 



76 8 



62.0 



14.8 



16 



.048 



.126 



29.996 



.130 



70.4 



78.3 



65.8 



12.5 



17 



.046 



.110 



.994 



.116 



67.4 



69.2 



65.2 



4.0 



18 



.072 



.150 



30.035 



.115 



67.0 



74.2 



62.8 



11.4 



19 



Sunday. 

















20 



.084 



.167 



.028 



.139 



62.7 



71.8 



55-2 



16.6 



21 



.055 



.126 



29.98* 



.144 



63.9 



73.8 



55-7 



18.1 



22 



.074 



.145 



30.034 



.111 



67.1 



77.4 



58-2 



19.2 



23 



.055 



.131 



.011 



.120 



68.4 



77.2 



60-6 



16.6 



24 



.026 



.112 



2^.972 



.140 



68.6 



76.8 



63.3 



13.5 



25 



29.991 



.088 



.925 



.163 



69.2 



76.7 



62.2 



14.5 



26 



Sunday. 

















27 



.828 



29.894 



.768 



.126 



69.8 



' 74.0 



66.2 



7.8 



28 



.907 



.990 



.858 



.132 



65.7 



72,0 



59.5 



12.5 



29 



.975 



30.040 



.928 



.118 



62.6 



71.6 



55.2 



16.4 



30 



.980 



.062 



.924 



.138 



63.7 



73.2 



55.4 



17.8 



31 



.955 



.025 



.908 



.117 



65.2 



75.6 



56.4 



19.2 



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. 



