Meteorological Observations. 



xci 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the mouth of December 1869. 



Latitude 22° 33' 1" North. Longitude 88° 20' M" East, 



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



Daily Means, Sec. of the Observations and of the Hygrometrical elements 

 dependent thereon. 





o ^ 



Bange of the Barometer 



13 u 



Bange of the Tempera- 





H 11 +j 



during the d 



ay. 



si 



ture during the 



day. 



Date. 

















5 « w 



Max. 



Min. 



DifF. 



* 2 



Max. 



Min. 



Diir. 





Inches. 



Inches. 



Inches. 



Inches. 















o 



1 



29.908 



29.989 



29.837 



0.152 



71.5 



79.5 



66.0 



13.5 



2 



.891 



.976 



.834 



.142 



70.7 



79.5 



63.4 



16.1 



3 



.889 



.957 



.832 



.125 



69.7 



78.0 



63.0 



15.0 



4 



.899 



.977 



.840 



.137 



68.0 



77.4 



61.5 



15.9 



5 



.918 



.988 



.871 



.117 



67.8 



78.6 



59.6 



19.0 



6 



.937 



30.019 



.879 



.140 



67.6 



77.5 



60.0 



17.5 



.7 



.969 



.055 



.914 



.141 



67.5 



76.7 



59.5 



17.2 



8 



.985 



.049 



.918 



.131 



69.4 



78.7 



61.5 



17.2 



9 



.980 



.052 



.919 



.133 



69.5 



77.7 



62.7 



15.0 



10 



.993 



.082 



.945 



.137 



68.8 



77.5 



61.0 



16.5 



11 



30.014 



.088 



.947 



.141 



69.5 



79.3 



61.5 



17.8 



12 



.010 



.099 



.948 



.151 



69.5 



79.3 



61.6 



17.7 



13 



.031 



.101 



.985 



.116 



69.2 



78.6 



61.0 



17.6 



14 



.043 



.118 



.996 



.122 



68.3 



76.7 



61.0 



15.7 



15 



.019 



.103 



.946 



.157 



67.6 



77.2 



60.4 



16.8 



16 



29.964 



.047 



.907 



.140 



66.8 



76.0 



58.8 



17.2 



17 



.960 



.043 



.908 



.135 



68.5 



78.9 



59. S 



19.1 



18 



.950 



.006 



.902 



.104 



68.3 



77.5 



60.5 



17.0 



19 



30.005 



.075 



.970 



.105 



67.5 



76.2 



60.5 



15.7 



20 



.019 



.092 



.979 



.113 



68.4 



76.4 



60.8 



15.6 



21 



.008 



.079 



.967 



.112 



71.6 



79.4 



67.3 



12.1 



22 



.028 



.103 



.983 



.120 



71.0 



79.2 



6 1,1 



15.1 



23 



.056 



.137 



30.002 



.135 



69.0 



77.0 



62.4 



1 1,6 



21 



.055 



.134 



.005 



.129 



68.0 



77.0 



61.2 



15.8 



25 



.049 



.124 



29.997 



.127 



68.1 



78.0 



60.0 



18.1) 



26 



.044 



.117 



30.001 



.116 



69.0 



78.8 



60.5 



18.3 



27 



.036 



.102 



29.986 



.116 



CH. 1, 



77.0 



62.2 



11,8 



28 



.053 



.139 



.996 



.1 13 



6S.0 



77.4 



61.4 



16.0 



29 



.043 



.122 



.975 



.147 



68.3 



77.6 



62.1 



15.5 



30 



.028 



.118 



.963 



a:^ 



6 1,6 



74.4 



56.8 



17.6 





.014 



.086 



.957 



.129 



61,1 



74.0 



57.2 



16.8 



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. 



