Meteorological Observations. 



lxxiii 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of October 1867. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" 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 Hygronietrical elements 

 dependent thereon. 



W CD 



W 



M if 



Range of the Barometer 

 during the day. 



Max. 



Min. Diff. 



M a 

 § I 



Range of the Tempera- 

 ture during the day. 



Max. 



Min. 



Diff. 



1 

 2 

 3 



4 

 5 

 6 

 7 

 8 

 9 

 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 



Inches. 



Inches. 



Inches. 



29.818 



29.879 



29.767 



.850 



.911 



.799 



.879 



.941' 



.821 



.874 



.942 



.793 



.861 



.924 



.809 



.852 



.912 



.794 



.852 



.913 



.796 



.852 



.906 



.802 



.876 



.950 



.789 



.874 



.947 



.799 



.847 



.895 



.802 



.825 



.872 



.755 



.859 



.929 



.811 



.890 



.953 



.841 



.911 



.972 



.851 



.916 



30.008 



.836 



.875 



29.944 



.817 



.862 



.902 



.803 



.908 



.956 



• 870 



.934 



.999 



.886 



.880 



.957 



.800 



.844 



.897 



•767 



.880 



.959 



.816 



.936 



.994 



.870 



.939 



30.005 



.887 



.909 



29.977 



.842 



.914 



.981 



.865 



.912 



.982 



.865 



.916 



.979 



.875 



.895 



.945 



.848 



.836 



.881 



.779 



Inches. 



0.112 

 .112 

 .120 

 .149 

 .115 

 .118 

 .117 

 .104 

 .161 

 .148 

 .093 

 .117 

 .118 

 .112 

 .121 

 .172 

 .127 

 .099 

 .086 

 .113 

 .157 

 .130 

 .143 

 .124 

 •118 

 .135 

 .116 

 .117 

 .104 

 .097 

 .102 



81.5 

 83.0 

 84.0 

 83.4 

 82.8 

 83.9 

 83.4 

 83.8 

 83.9 

 84.2 

 82.8 

 83.3 

 82.9 

 83.4 

 83.1 

 81.2 

 81.5 

 81.1 

 77.1 

 78.4 

 80.8 

 80.9 

 82.8 

 81.3 

 79.3 

 79.7 

 79.4 

 78.5 

 76.4 

 76.9 

 73.1 



87.8 

 86.5 

 89.5 

 88.5 

 88.0 

 89.4 

 88.8 

 90.0 

 89.3 

 89.5 

 90.0 

 89.5 

 89.0 

 88.7 

 88.8 

 87.0 

 88.5 

 87.0 

 79.5 

 84.6 

 86.7 

 85.5 

 88.4 

 88.0 

 83.6 

 85.0 

 85.0 

 85.4 

 84.5 

 83.5 

 74.7 



78.0 

 79.2 

 80.2 

 77.3 

 78.0 

 80.6 

 78.5 

 79.0 

 79.7 

 79.5 

 78.5 

 78.8 

 78.5 

 79.2 

 77.9 

 76.2 

 75.0 

 78.0 

 75.4 

 75.7 

 76.0 

 78.0 

 78.5 

 77.0 

 77.0 

 76.5 

 74.5 

 72.5 

 69.5 

 69.5 

 70.6 



9.8 



10.3 



9.3 



11.2 



10.0 



8.8 



10.3 



11.0 



9.6 



10.0 



11.5 



10.7 



10.5 



9.5 



10.9 



10.8 



13.5 



9.0 



4,1 



8.9 



10.7 



7.5 



9.9 



9.0 



6.6 



8.5 



10.5 



12.9 



15.0 



14.0 



4.1 



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. 



