Meteorolvg ica I Obser valio n $ . 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the mouth of January 1867. 



Latitude 2-2° 33' 1" North. Longitude 88° 20' 34/' East. 



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



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

 dependent 'hereon. 







Range of the Ba 



■ometer 



9 * 



Range of the Tempcra- 





£ "€ +3 



si -a 



h"2 



during the day. 





( are during the day. 



Date. 

















P §2 



Max. 



Min. 



Diff. 



3 s 



Max. 



Min. 



Diff. 























Incites. 



Inches. 



Inches. 



inches. 







o 







o 



1 



30.047 



30.106 



29.999 



0.107 



68.1 



78.9 



- | 8 



19.1 



2 



.10.} 



.167 



30.060 



.107 



68.6 



78. 1 



1 



18.4 



3 



.130 



. )•"> 



.068 



.127 



69.3 



7!». 8 



61.3 



18.5 



4 



.129 



._ 9 







68.8 



78.2 



60.6 



17.6 



5 



.122 



.198 



.060 



.138 



68.3 



77.9 



60.2 



17.7 



6 



.085 



.159 



.035 



.124 



69.8 



79.5 



61.8 



17.7 



7 



.063 



.141 



.010 



.131 



70.3 



80.2 



62.4 



17.8 



8 



29-997 



.075 



29.950 



.125 



67.2 



73. <) 



63.6 



9.4 



9 



30.039 



.117 



.969 



.148 



68.2 



71,0 



64.0 



10.0 



10 



.134 



.209 



30.074 



.135 



67.0 



75.6 



59.0 



16.6 



11 



.164 



.2 18 



.085 



.163 



66.3 



75.0 



58.0 



17.0 



12 



•090 



.158 



.020 



.138 



65.0 



72.6 



58.4 



14,2 



13 



.032 



.104 



29.959 



.145 



65.1 



74.0 



58.0 



16.0 



14 



.012 



.089 



.958 



.131 



65.9 



75.0 



57.6 



17.4 



15 



■033 



.103 



.977 



.126 



68.3 



79.2 



58.2 



21.0 



16 



.013 



.088 



.952 



.136 



70.7 



80.5 



6 1,2 



16.3 



17 



.013 



.091 



.964 



.127 



70.8 



79.8 



63.4 



16.4 



18 



•049 



.137 



.993 



.1 !! 



69.3 



78.6 



60.8 



17.8 



19 



•077 



.144 



30.016 





70.1 



80.0 



63.0 



17.0 



20 



.0 L7 



.130 



29.971 



.1 



69.6 



80.7 



60.2 



20.5 



21 



•006 



.087 



.945 



.142 



71.9 



82.4 



65.8 



16.6 



22 



29-994 



.069 



.92 1 



.145 



72.2 



83.2 



63.0 



20.2 



23 



•994 



.033 



.880 



.147 



74.3 



82.8 



67.0 



15.8 



24 



•938 



.011 



.889 



.122 



74,9 



83.0 



69.0 



14,0 



25 



•958 



.040 



.910 



.130 



75.4 



83.2 



70.4 



12,8 



26 



30-043 



.114 



.961 



.153 



70.8 



76.2 



66.6 



N 9.6 



27 



•073 



.153 



30.021 



.132 



66.2 



75.2 



59.0 



16.2 



28 



.081 



.163 



.027 



.136 



64.3 



74,4 



55.2 



19.2 



29 



.030 



.108 



29.975 



.133 



65.7 



77.0 



56.0 



21.0 



30 



•035 



.127 



.968 



.159 



67.9 



79.5 



57.6 



21.9 



31 



.004 



.103 



.942 



.161 



70.2 



81.3 



60.2 



21.1 



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. 



