Meteorological Observations. 



IX 



Abstract of the Results of the Hourly Meteorological Observation* 



taken at the Surveyor General's Office, Calcutta, 



in the month of February 1867. 



Latitude 2-2° 33 ; 1" North. Longitude 88° 20' 34" East. 



Heightof the Cistern of the Standard Barometer above the sea level. 18.11 feet. 



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

 dependent thereon. 



Date. 



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 



' C K 



+S -+;- . 



(1 it +3 



sg-s 



s ^^ 



Range of the Barometer 

 during the day. 



Max. j Min. Diff. 



!ll( i 



[nches. 



Inches. 



29.995 



30.063 



29.934 



30.035 



.098 



.983 



.039 



.121 



.978 



.040 



.118 



.989 



.003 



.109 



.909 



29.955 



.041 



.902 



.982 



.058 



.932 



30.006 



.085 



.965 



.010 



.091 



.966 



29.962 



.043 



.884 



.910 



29.979 



.SVA. 





.977 



.8 is 



.848 



.908 



.773 



.970 



30.063 



.888 



30.009 



.096 



.952 



29.963 



.052 



.889 



.921 



.003 



.856 



.918 



29.995 



.867 



.922 



.998 



.866 



.897 



.964 



.815 



.927 



30.020 



.859 



.985 



.066 



.940 



.968 



.047 



.889 



.989 



.055 



.928 



30.027 



.105 



.962 



29.973 



.050 



.893 



.940 



.022 



.891 



.945 



.023 



.871 



Indies. 



0.129 

 .115 

 .143 

 .129 

 .200 

 .139 

 .126 

 .120 

 .125 

 .159 

 .115 

 .129 

 .135 

 .175 

 .144 

 .163 

 .117 

 .128 

 .132 

 .149 

 .161 

 .126 

 .158 

 .127 

 .143 

 .157 

 .131 

 .152 



fig 



Range of the Tempera- 

 ture during the day. 



71.9 

 69.3 

 (58.9 

 70.1 

 71.6 

 69.2 

 69.5 

 69.2 

 71.2 

 73.6 

 75.5 

 74.4 

 75.3 

 74.2 

 71.3 

 70.4 

 71.3 

 73.2 

 76.2 

 78.8 

 76.4 

 72.4 

 73.2 

 74.0 

 74.2 

 76.2 

 78.3 

 78.1 



Max. 



Min. 



Diff. 











80.2 



64.8 



78.0 



61.4 



80.0 



55.8 



81.0 



60.4 



83.4 



60.8 



75.6 



61,0 



76.8 



64.0 



78.6 



60.4 



80.6 



62.6 



82.4 



67.6 



84.6 



70.0 



83.8 



66.0 



81.6 



71.2 



83.0 



68.0 



81.6 



62.2 



79.8 



60.8 



82.0 



60.2 



84.8 



63.0 



86.6 



69.0 



88.4 



72.8 



83.6 



71.8 



81.8 



63.2 



84.4 



64.6 



82.8 



67.4 



84.0 



65.0 



87.4 



68.4 



88.6 



70.2 



88.4 



69.2 



15.4 



16.6 

 24.2 



20.6 

 22.6 

 11.6 

 12.8 

 18.2 

 18.0 

 14.8 

 14.6 

 17-8 

 10.4 

 15.0 

 19.4 

 19.0 

 21.8 

 21.8 

 17.6 

 15.6 

 11.8 

 18.6 

 19.8 

 15.4 

 19.0 

 19.0 

 18.4 

 19.2 



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. 



