Meteorological Observations. 



Ixxxi 



Abstract of the Eesults of the Hourly Meteorological Observations 

 taken at the Surveyor OeneraVs Office, Calcutta, 



in the month of November, 1865. 



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



Height of the Cistern of the Standard Barometer above the Sea-level, 18 ft. 11 in. 



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

 dependent thereon. 





O 5 









j£ -." 







— "■— 





.|°f | 



Range of the Barometer 

 during the day. 



~3 <u 



pq s 

 hi 



Range of the Terr 

 ture during the 



ipera- 

 day. 





S3 3. o 



!-" 25 M 

 - D M 









« 1 









Date. 



















Max. 



Min. 



Diff. 



03 t"* 



Max. 



Min. 



Diff. 





1" 









3 











Inches. 



Inches. 



Inches. 



Inches. 



















1 



29.802 



29.863 



29.732 



0.131 



78.6 



85.7 



73.0 



12.7 



2 



.801 



.867 



.745 



.122 



79.5 



87.3 



72.5 



14.S 



3 



.878 



.953 



.817 



.136 



81.0 



88.2 



73.8 



14.4 



4 



.925 



30.006 



.853 



.153 



79.7 



86.8 



71.4 



15.4 



5 



.923 



29.989 



.876 



.113 



80.5 



85.8 



74.8 



11.0 



6 



.931 



30.007 



.873 



.134 



79.6 



86.8 



74.6 



12.2 



7 



.899 



29.965 



.842 



.123 



76.5 



85.4 



67.0 



18.4 



8 



.860 



.918 



.791 



.127 



77.4 



86.4 



68.6 



17.8 



9 



866 



.929 



.822 



.107 



78.5 



86.4 



70.5 



15.9 



10 



.851 



.920 



.802 



.118 



80.7 



87.4 



75.6 



11.8 



' 11 



.863 



.929 



.822 



.107 



80.6 



87.2 



75.0 



12.2 



12 



.874 



.941 



.818 



.123 



79.4 



85.1 



74.7 



10.4 



13 



.887 



.964 



.839 



.125 



77,4 



85.7 



71.8 



13.9 



14 



.926 



30.008 



.850 



.158 



79.0 



87.8 



72.2 



15.6 



15 



.970 



.051 



.921 



.130 



80.0 



86.8 



73.2 



13 6 



16 



30.018 



.094 



.953 



.141 



79.3 



86.5 



72.8 



13.7 



17 



.063 



.133 



30.005 



.128 



77.8 



86 



715 



14.5 



18 



.085 



.156 



.021 



.135 



78.0 



86.4 



71.2 



15.2 



19 



.092 



.164 



.034 



.130 



77.0 



84.8 



70.4 



14,4 



20 



.043 



.126 



29.976 



.150 



75.4 



83.6 



69.0 



14 6 



21 



29.984 



.050 



.911 



.139 



73.8 



82.2 



6K6 



15.6 



22 



.997 



.068 



.948 



.120 



73.6 



82.2 



66.0 



16.2 



23 



30.036 



.118 



.979 



.139 



73.7 



82.2 



66.3 



15.9 



24 



.024 



.108 



.954 



.154 



72.8 



81.6 



66.0 



15.6 



25 



29.974 



.058 



.900 



.158 



71.8 



81.0 



64.5 



16.5 



26 



.949 



.014 



.888 



.126 



70.2 



77.4 



63.6 



13.8 



27 



.980 



.060 



.919 



.141 



69.7 



78.2 



62.3 



15.9 



28 



30.008 



.075 



.960 



.115 



69.5 



78.2 



61.6 



16.6 



29 



.008 



.084 



.941 



.143 



70.6 



81.1 



61.6 



19.5 



30 



29.984 



.059 



.908 



.151 



71.2 



82.0 



63.0 



• 



19.0 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Ther- 

 mometer Means are derived from the hourly Observations made during the day, 



