

Meteorological Observations, 



Ixxxix 



'distract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor OeneraVs Office, Calcutta, 



in the month of December 7 1864. 



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. 





o S 



Range of the Barometer 

 during the day. 



hi 



Range of the Tempera- 

 ture during the day. 





*H PQ cm 



^ CO 









« a 







Date. 

















eS J3 ■*-» 



Max. 



Min. 



Diff. 



g J3 



Max. 



Min. 



Diff. 





s 









1 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 







o 



1 



30.008 



30.071 



29.948 



0,123 



73.7 



80.4 



67.4 



13.0 



2 



.002 



.080 



.941 



.139 



72.7 



79.8 



67.4 



12.4 



3 



.053 



.127 



30.007 



.120 



70.6 



78.6 



63.8 



14.8 



4 



Sunday. 

















5 



.061 



.134 



29.984 



.150 



70.7 



79.8 



63.6 



16.2 



6 



.061 



.139 



30.015 



.124 



70.3 



80.8 



61.6 



19.2 



7 



.074 



.148 



.017 



.131 



71.0 



79.6 



64.4 



15.2 



8 



.030 



.102 



29.979 



.123 



70.6 



79.6 



63.6 



16.0 



9 



.025 



.083 



.967 



.116 



69.7 



79.6 



61.4 



18.2 



10 



.000 



.082 



.930 



.152 



71.1 



81.2 



62.0 



19.2, 



11 



Sunday. 

















12 



29.991 



.069 



.932 



.137 



71.5 



79.2 



65.0 



14.2 



13 



.989 



.084 



.926 



.158 



71.8 



79.9 



64.6 



15.3 



14 



.983 



.071 



.928 



.143 



71.7 



79.8 



65.0 



14.8 



,15 



.953 



.033 



.898 



.135 



71.5 



79.9 



64.2 



15.7 



16 



.996 



.068 



.938 



.130 



72.9 



82.2 



64.4 



17.8 



17 



.988 



.063 



.928 



.135 



73.1 



82.6 



66.4 



16.2 



18 



Sunday. 

















19 



.965 



.027 



.920 



.107 



73.0 



83.0 



64.8 



18,2 



20 



30.001 



.076 



.921 



.155 



73.3 



82.3 



67.2 



15.1 



21 



.022 



.115 



.964 



.151 



71.5 



79.0 



66.2 



12.8 



22 



.025 



,111 



.976 



.135 



69.7 



78.4 



62.6 



15.8 



23 



.058 



.125 



30.008 



,117 



68.2 



78.2 



59.8 



18.4 



24 



.125 



,191 



.066 



.125 



70.1 



80.2 



61.6 



18.6 



25 



Sunday. 

















26 



.110 



.191 



,060 



.131 



69.2 



79.0 



60.2 



18.8 



27 



.090 



.173 



.031 



.142 



69.1 



78.4 



61.2 



17.2 



28 



.095 



.169 



.052 



.117 



65.8 



74.4 



58.2 



16.2 



29 



.101 



.167 



.064 



.103 



64.6 



74.9 



56.2 



18.7 



30 



.098 



.177 



.050 



.127 



65.2 



75.4 



57.2 



18.2 



31 



.081 



.155 



-051 



.104 



66.2 



75,8 



57.4 



18.4 



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

 mometer Means are derived from the hourly Observations made during the day. 



