Meteorological Observations, 



xvu 



Abstract of tie Results of the Hourly Meteorological Observation* 



taken at tlie Surveyor General's Office, Calcutta, 



in the month of March, 1865. 



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 Hygroraetrical elements 

 dependent thereon. 





O S3 



til 



Range of the Barometer 

 during the day. 





Range of the Tenr 

 ture during the 



pera- 

 day. 













o a 







Date. 

















1. — r: 



Max. 



Min. 



Diff. 



85 



Max. 



Min. 



DifF. 





3 









s* 











Inches. 



Inches. 



Inches. 



Inclies. 



o 











o 



1 



30.017 I 



30.094 



29.957 



0.137 



73.0 



82.3 



63.6 



18.7 



2 



29.966 



.040 



.907 



.133 



75.9 



85.4 



66.8 



18.6 



3 



.923 



.000 



.832 



.168 



76.9 



84.4 



70.0 



14.4 



4 



.909 



29.971 



.820 



.151 



75.4 



83.8 



68.8 



15.0 



5 



Sunday. 

















6 



.927 



.992 



.852 



.140 



71.6 



78.4 



68.0 



10.4 



7 



.930 



30.021 



.867 



.154 



73.1 



81.2 



68.1 



13.1 



8 



.929 



29.996 



.880 



.116 



72.2 



76.0 



68.7 



7.3 



9 



.924 



30.005 



.874 



.131 



76.4 



83.0 



69.2 



13.8 



10 



.948 



.043 



.888 



.155 



77.9 



85.4 



72.4 



13.0 



11 



.962 



.023 



.914 



.109 



78.3 



85.8 



71.5 



14.3 



12 



Sunday. 

















13 



.937 



.009 



.893 



.116 



79.1 



86.7 



72.8 



139 



14 



.951 



.057 



.887 



.170 



76.8 



83.8 



70.8 



13.0 



15 



.957 



.029 



.900 



.129 



76.7 



84 3 



70.6 



13.7 



16 



30.004 



.094 



.952 



.142 



76.9 



86.6 



68.0 



18.6 



17 



29.998 



.090 



.937 



.153 



76.8 



87.8 



64.9 



22.9 



18 



.961 



.039 



.886 



.153 



80.0 



91.4 



69.2 



22.2 



19 



Sunday. 

















20 



.948 



.032 



.894 



.138 



83.3 



93.2 



73.6 



19.6 



21 



.946 



.039 



.88 L 



.158 



82.9 



91.2 



75.2 



16.0 



22 



.893 



29.975 



.819 



.156 



83.7 



94.8 



76.8 



18.0 



23 



.859 



.948 



.774 



.174 



82.6 



94,4 



71.8 



22.6 



24 



.838 



.908 



.790 



.118 



83.6 



94.7 



74.6 



20.1 



25 



.848 



.925 



.795 



.130 



84.3 



96.3 



74.0 



22.3 



26 



Sunday. 

















27 



.851 



.932 



.781 



.151 



86.3 



97.6 



76.8 



20.8 



28 



.828 



.912 



.765 



.147 



85.7 



97.8 



76.2 



21.6 



29 



.852 



.921 



.790 



.131 



84.5 



94.3 



78.4 



15.9 



30 



.859 



.940 



.813 



.127 



83.8 



93.8 



76.9 



16.9 



31 



.880 



.963 



.828 



.135 



84.6 



95.0 



76.7 



18.3 



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. 



