Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 

 taken at the Surveyor General's Office, Calcutta, 

 in the month of January, 1859. 



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



Feet. 

 Height of the Cistern of the Standard Barometer above the Sea level, 18.1 1 



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

 dependent thereon. 





O <u 



Range 



of the Barometer 





Range of the Tempera- 





SI! 



during the d 



a y- 



"i 



ture during the 



day. 





„ ,, CO 









Q g 









Date. 



















Max. 



Min. 



Diff. 



<D t - * 



Max. 



Min. 



Diff. 





i" 









3 











Indies. 



Indies. 



Inches. 



Inches. 



o 



o 



o 



o 



1 



30.032 



30.120 



29.953 



0.167 



65.8 



74.4 



59.6 



14.8 



2 



Sunday. 

















3 



.057 



.128 



30.006 



.122 



66.5 



75.6 



58.6 



17.0 



4 



.027 



.112 



29.958 



.154 



67.6 



77.2 



61.4 



15.8 



5 



29.998 



.074 



.958 



.116 



69.0 



76.4 



62.6 



13.8 



6 



30.014 



.093 



.953 



.140 



70.1 



76.5 



66.4 



10.1 



7 



.032 



.131 



.974 



.157 



69.7 



79.6 



61.0 



18.6 



8 



.062 



.138 



.994 



.144 



67.6 



75.4 



61.8 



13.6 



9 



Sunday. 

















10 



.054 



.138 



.992 



.146 



67.8 



77.2 



60.9 



16.3 



11 



.070 



.163 



30.001 



.162 



68.0 



78.1 



59.8 



18.3 



12 



.065 



.160 



29.997 



.163 



68.4 



78.0 



59.9 



18.1 



13 



.044 



.135 



.995 



.140 



68.2 



78.6 



60.0 



18.6 



14 



.029 



.100 



.979 



.121 



68.9 



79.2 



61.6 



17.6 



15 



.057 



.134 



30.011 



.123 



69.4 



79.8 



61.2 



18.6 



16 



Sunday. 

















17 



.067 



.148 



.007 



.141 



69.6 



78.6 



63.8 



14.8 



18 



.018 



.096 



29.947 



.149 



69.4 



79.2 



60.8 



18.4 



19 



29.938 



.025 



.885 



.140 



69.0 



79.6 



60.4 



19 2 



20 



.933 



29.993 



.891 



.102 



71.1 



82.8 



62.6 



20.2 



21 



30.005 



30.105 



.952 



.153 



69.2 



78.2 



62.8 



15.4 



22 



29.959 



.069 



.888 



.181 



66.0 



76.8 



57.0 



19.8 



23 



Sunday. 

















24 



.914 



.000 



.866 



.134 



67.5 



79.2 



57.6 



21.6 



25 



.928 



.021 



.870 



.151 



68.7 



81.2 



58.4 



22.8 



26 



.906 



29.975 



.851 



.124 



70.5 



83.6 



60.2 



23.4 



27 



.969 



30.037 



.925 



.112 



70.8 



82.0 



61.0 



21.0 



28 



.993 



.077 



.941 



.136 



71.0 



82.3 



61.0 



21.3 



29 



.964 



.059 



.905 



.154 



71.9 



84.4 



62.0 



22.4 



30 



Sunday. 

















31 



.914 



29.976 



.859 



.117 



74.3 



85.2 



66.0 



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. 



