Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General 9 s Office, Calcutta, 



in the month of January, 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. 





<*-, u 



















o S 



Range 



of the Barometer 





Range o 



f the Te 



mpera- 





•f 11 



during the day. 





t-ure during the day. 





CD « Ctf 















<0 



Max. 



Min. 



Diff. 



Max. 



Min. 



Diff. 



& 



s 









S^ 











Inches. 



Inches. 



Inches. 



Inches. 



O 











o 



1 



29.969 



30.051 



29.903 



148 



65.8 



76.2 



57.0 



19.2 



2 



.965 



.030 



.912 



.118 



67.2 



76.4 



59.8 



16.6 



3 



Sunday, 

















4 



30.033 



.130 



.969 



.161 



65.1 



74.4 



56.4 



18.0 



5 



.001 



.066 



.948 



.1.18 



65.5 



75.8 



57.2 



18.6 



6 



.021 



.093 



.967 



.126 



65.8 



75.0 



58.4 



16.6 



7 



.068 



.154 



30.018 



.136 



64.2 



73.6 



56.4 



17.2 



8 



.076 



.157 



.020 



.137 



63.2 



73.0 



55.0 



18.0 



9 



.089 



.177 



.027 



.150 



64.3 



75.0 



55.6 



19.4 



10 



Sunday. 

















11 



.033 



.111 



29.965 



.146 



65.6 



77.4 



57.4 



20.0 



12 



.038 



.123 



.991 



.132 



66.9 



77.0 



58.6 



18.4 



13 



.044 



.129 



.992 



.137 



65.5 



76.4 



56.0 



20.4 



14 



29.995 



.090 



.923 



.167 



64.8 



74.8 



56.0 



188 



15 



.954 



.042 



.876 



.166 



65.7 



76.7 



56.0 



20.7 



16 



.884 



29.933 



.836 



.097 



65.3 



71.9 



58.0 



13.9 



17 



Sunday. 

















18 



.943 



30.025 



.883 



.142 



64.5 



73.2 



56.4 



16.8 



19 



.951 



.040 



.894 



.146 



651 



74.7 



56.6 



18.1 



20 



.974 



.051 



.922 



.129 



64.8 



75.9 



55.0 



20.9 



21 



30.002 



.087 



.945 



.142 



64.3 



74.8 



55.4 



19.4 



22 



29.969 



.059 



.912 



.147 



65.8 



77.3 



54.8 



22.5 



23 



.898 



29.980 



.828 



.152 



69.7 



82.2 



59.6 



22.6 



24 



Sunday. 

















25 



.979 



30.051 



.930 



.121 



62.4 



73.1 



52.8 



20.3 



26 



.990 



.070 



.935 



.135 



62,8 



74.0 



52.8 



21.2 



27 



.967 



.039 



.924 



.115 



64.0 



76.2 



54.0 



23.2 



28 



.960 



.023 



.917 



.106 



64.5 



75.8 



56.0 



19.8 



29 



30.000 



.080 



,959 



.121 



64.7 



76.2 



55.4 



20.8 



30 



.000 



.086 



.933 



.163 



63.3 



74.7 



54.2 



20.5 



31 



Sunday. 

















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, ° 



