Meteorological Observations xii 



Abstract of the Res/ills of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of February 1875. 



Hourly Means, &e. of the Observations and of the Hygroinetrical elements 



dependent thereon. 



Hoi 



cS 



o 



fcG CD r-3 



WO W 



.Range of the Barometer 



for each liour during 



the month. 



Max. 



Min. 



PifF. 



pq 2 

 p a 



S 3 ^ 



Bange of the Tempera- 

 ture for each hour 

 during the month. 



Max. 



Min. 



Diff, 



Mid- 

 night, 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 

 11 



Noon 

 1 

 2 

 3 

 4 

 6 

 6 

 7 



9 

 10 

 11 



Fiiches. 



29.968 

 .961 

 .954 

 .944 

 .942 

 .955 

 .973 

 .991 



30.013 

 .034 

 .043 

 .030 



.002 

 29.970 

 .939 

 .920 

 .910 

 .911 

 .916 

 .929 

 .946 

 .961 

 .909 

 .969 



fiiches. 



30.073 

 .070 

 .068 

 .067 

 .062 

 .077 

 .098 

 .112 

 .130 

 .156 

 .169 

 .144 



.114 



.080 

 .052 

 .042 

 .035 

 .043 

 .048 

 .062 

 .081 

 .091 

 .091 

 .093 



fiich 



29 



.859 

 .819 

 .838 

 .824 

 .835 

 .853 

 .873 

 .887 

 .908 

 .933 

 .940 

 .931 



.898 

 .866 

 .830 

 .803 

 .802 

 .796 

 .796 

 .804 

 .819 

 .811 

 .850 

 .853 



fiiches. 



.214 



.221 

 .230 

 .243 

 .227 

 .224 

 .225 

 .225 

 .222 

 .223 

 .229 

 .213 



.216 

 .214 

 .222 

 .239 

 .233 

 .247 

 .252 

 .258 

 .265 

 .250 

 .244 

 .240 



67.7 

 66.9 

 66.2 

 65.5 

 61.9 

 64.4 

 63.8 

 63.6 

 65.6 

 70.0 

 73.8 

 76.6 



78.8 

 80.2 

 81.3 

 82.0 

 81.7 

 80.5 

 77.5 

 74.6 

 72.7 

 71.2 

 69.9 

 68.8 



74.5 

 74.0 

 73.5 

 73.0 

 72.2 

 71.5 

 70.7 

 71.0 

 73.5 

 78.5 

 81.5 

 84.0 



85.0 

 87.2 

 88.3 

 88.8 

 88.8 

 88.0 

 84.0 

 81.0 

 79.5 

 78.0 

 76.0 

 75.0 



60.0 

 59.2 

 58.0 

 57.0 

 56.2 

 55.5 

 54.5 

 54.5 

 55.5 

 59.5 

 62.0 

 64.2 



14.5 

 14.8 

 15.5 

 16.0 

 16.0 

 16.0 

 16.2 

 16.5 

 18.0 

 19.0 

 19.5 

 19.8 



66.4 



18.6 



67.5 



19.7 



68.6 



19.7 



69.2 



19.6 



68.8 



20.0 



68.5 



19.5 



66.2 



17.8 



64.0 



17.0 



63.0 



16.5 



62.3 



15.7 



61.5 



14.5 



61.0 



14.0 



The Mean Height of the Barometer, as likewise the Dry and Wet Bull - . 

 Thermometer Means are derived from the observations made at the several 

 hours during the mouth. 



