Meteorological Observations. 



xxv 



Abstract of the llesnlts of the Hourly Meteorological Observations 



tuken at the Surveyor General's Office, Calcutta, 



in Ike month of April 1870, 



Latitude U° 33' 1" North. Longitude 88° 20' 31 r/ East. 



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



Daily Means, $oe. of the Observations and of the Hygroiaeirreal elements 

 dependent thereon. 



Date. 



• i-i x a 

 w ffi CO 



Range of the Barometer 

 during the day. 



Mas. 



Mia. 



Diff. 



o 



p 



o r 4 



Jfonge of the Tempera* 

 ture ckii-ing the day. 



Mas. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



o 



o 







o 



1 



29.718 



29.789 



29.633 



0.156 



86.2 



98,6 



78.0 



20.6 



2 



.822 



.909 



.730 



,179 



84,6 



95.2 



75.0 



20.2 



3 



.863 



.948 



.812 



.136 



86.6 



96.0 



77.2 



18.8 



4 



.854 



,930 



.799 



.131 



85.6 



96.5 



78.0 



18.5 



5 



.803 



.897 



.720 



.177 



82.7 



91.6 



75.7 



15.9 



<3 



.706 



.775 



.621 



.154 



84.9 



96.2 



76.3 



19.9 



7 



.692 



.743 



.626 



.117 



84,9 



96.9 



75.0 



21.9 



8 



.711 



.774 



.62Q 



.148 



82.7 



95.4 



74,8 



20.6 



9 



.697 



.786 



.568 



.218 



78.1 



90.4 



70.5 



19.9 



10 



.717 



.791 



.654 



.137 



74,9 



83.2 



68.0 



15.2 



11 



.785 



..848 



„716 



.132 



77.1 



86.7 



67.7 



19.0 



12 



,823 



.903 



.742 



.161 



79,0 



89.4 



72.5 



16.9 



13 



.718 



.500 



,625 



.175 



83.4 



93,5 



75.2 



18.3 



14 



,707 



.767 



.051 



.116 



85.2 



93.8 



78.5 



15.3 



15 



.733 



.807 



.658 



.149 



•85.3 



95.5 



79.0 



16.5 



16 



.713 



.781 



.630 



.151 



SGA 



97.5 



78.2 



19.3 



17 



.732 



.789 



.672 



.117 



85.1 



95.0 



78.4 



16.6 



18 



.805 



.880 



.743 



.137 



84,9 



92.8 



78.5 



14,3 



19 



.8-18 



.912 



.765 



.147 



85.6 



94,5 



79.0 



15.5 



20 



.81-1 



.930 



.763 



.167 



55.3 



96.5 



75.4 



21.1 



21 



.834, 



.919 



.740 



.173 



85.3 



97.0 



75.4 



21.6 



22 



.816 



.912 



.737 



.175 



85.4 



96.0 



76.7 



19.3 



23 



.750 



.843 



.654 



.189 



85.1 



95.0 



77.4 



17.6 



21 



.676 



.746 



.583 



.163 



86.2 



97.3 



79.4 



17.9 



25 



.707 



.780 



.623 



.157 



85.5 



97.8 



74,5 



23.3 



26 



.727 



.803 



.636 



.167 



84,8 



96.0 



75.0 



21.0 



27 



.709 



.798 



.034 



.184 



83.5 



96.0 



76.0 



20.0 



28 



.709 



.772 



.625 



.147 



84.1 



94,4 



77.4 



17.0 



29 



.733 



.799 



.666 



.133 



88 



97.0 



80.5 



16.5 



SO 



.759 



.825 



.6V8 



.127 



87.2 



94.4 



81.0 



13.4 



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

 iThermometer Means are derived, from the hourly observations, aaadc during 

 the d-ay. 



