Meteorological Observations. 



Abstract of the Results of the Hourly Meteorological Observations 



talcen at the Surveyor General' s Office, Calcutta, 



in the month of January, 1858. 



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 <D 



4J <U JJ 



Range 



of the Barometer 



-& £ 



2 s 



Range of the Tempera- 





•If! 



during the day. 



pq a 



ture during the 



day. 





53 cq §i 



, CO 









^2 

 q a 

















1 







<u 



as -<-> cs 



Max. 



Min. 



Diff. 



CD H 



Max. 



Min. 



Diff. 



Q 



s 









S 











Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



1 



30.090 



30.181 



30.018 



0.163 



68.5 



77.6 



60.6 



17.0 



2 



.025 



.107 



29.940 



.167 



68.1 



77.4 



60.8 



16.6 



3 



Sunday. 

















4 



.011 



.111 



.948 



.163 



67.0 



76.6 



59.6 



17.0 



5 



29.986 



.062 



.932 



.130 



67.7 



78.5 



60.4 



18.1 



6 



.998 



.071 



.938 



.133 



66.1 



76.7 



58.6 



18.1 



7 



30.009 



.114 



.942 



.172 



66.6 



77.2 



57.6 



19.6 



8 



29.992 



.084 



.936 



.148 



66.6 



77.7 



58.4 



19.3 



9 



.971 



.063 



.917 



.146 



65.9 



76.6 



56.6 



20.0 



10 



Sunday. 

















11 



.957 



.031 



.881 



.150 



69.2 



80.6 



60.8 



19.8 



12 



.936 



.019 



.878 



.141 



67.6 



78.1 



59.4 



18.7 



13 



.966 



.064 



.912 



.152 



65.2 



75.4 



56.8 



18.6 



14 



.966 



.051 



.896 



.155 



64.9 



76.6 



56.6 



20.0 



15 



.983 



.084 



.911 



.173 



66.2 



78.4 



56.2 



22.2 



16 



.988 



.081 



.943 



.138 



66.7 



79.2 



57.5 



21.7 



17 



Sunday. 

















18 



.922 



.005 



.865 



.140 



72.2 



84.0 



63.8 



20.2 



19 



.910 



29.984 



.856 



.128 



72.9 



83.8 



65.0 



18.8 



20 



.958 



30.038 



.886 



.152 



69.4 



75.4 



64.6 



10.8 



21 



.873 



29.955 



.812 



.143 



69.9 



79.2 



61.2 



15.0 



22 



.879 



.940 



.841 



.099 



66.7 



74.8 



61.4 



13.4 



23 



.990 



30.092 



.902 



.190 



64.8 



75.4 



56.4 



19.0 



24 



Sunday. 

















25 



30.040 



.111 



.978 



.133 



68.1 



79.3 



58.4 



20.9 



28 



.062 



.138 



.976 



.182 



69.9 



80.2 



61.0 



19.2 



27 



.075 



.164 



30.010 



.154 



69.1 



79.2 



62.0 



17.2 



28 



.073 



.140 



.019 



.121 



70.3 



79.4 



62.4 



17.0 



29 



.064 



.136 



.009 



.127 



71.3 



79.6 



65.2 



14/4 



30 



.112 



.208 



.057 



.151 



69.4 



77.6 



63.0 



14.6 



31 



Sunday. 

















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. 



