Meteorological Observations, 



lxxi 



Abstract of lite IhsnUs of the Hourly Meteorological Observati 

 taken at the Surveyor General's Office, Calcutta 

 in Hie mouth of Septemuer 1868. 



OUS 



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

 dependent I hereon. 





O « 



l J?ang« 

 for <_ 



of the B 

 ach hoar 



urometer 

 during 



Bulb 

 ter. 



Range of (he Tempera- 

 ture for each hour 









the month. 





during the month. 



Hour 







1 











Sw8 



1^4 ° 



Max. 



Min. 



j Diff. 



= z 



Max. 



Min. 



Diff. 





&•£ 



















Inches. 



Inches. 



Inches. 



Inches. 



o 



o 



o 



o 



Mid- 



















night. 



29.095 



29.850 



29.514 



0.312 



81.5 



84.4 



78.7 



5.7 



1 



.683 



.8 is 



.499 



.3 19 



81.3 



8 1.2 



78.5 



5.7 



2 



.075 



.840 



.482 



.358 



81.1 



83.7 



78.5 



5.2 



3 



.665 



.828 



. 17 I 



.354 



80.8 



S3.5 



77.(5 



5.9 



4 



.661 



.817 



.470 



.341 



80. 



83.0 



78.0 



5.0 



5 



.(5.52 



.829 



.484 



.315 



80.5 



83.0 



78.0 



5.0 



6 



.(585 



.848 



.498 



.350 



SO. 3 



83.0 



77.0 



5.4 



7 



.704 



.873 



.518 



.355 



80.9 



8^.8 



77.5 



6.3 



8 



.721 



.890 



.514 



.31(5 



82.1 



So.o 



77.4 



8.1 



9 



.732 



.894 



.502 



.332 



83.7 



87.5 



78.0 



9.5 



10 



.732 



.893 



.549 



.344 



84.9 



89.0 



78.8 



10.2 



11 



.722 



.884 



.541 



.343 



85.5 



89.8 



79.5 



10.3 



Noon . 



.703 



.808 



.550 



.318 



86.5 



90.6 



79.2 



11.4 



1 



.077 



.841 



.518 



.323 



86.9 



91.5 



77.5 



14.0 



14.0 



2 

 3 



.019 



.809 



.495 



.314 



so.o 



91.8 



77.8 



.030 



.779 



.406 



.313 



80.6 



91.4 



78.7 



12.7 

 11.8 



4 



.022 



.701 



.456 



.305 



80.2 



91.0 



79.2 



5 



6 



7 



.033 



.774 



.447 



.327 



84,0 



91.3 



78. 5 



12.8 



.645 

 .006 



.792 

 .803 



.407 

 .488 



.325 

 .315 



83.2 

 82.0 



89.0 

 86.6 



78.5 

 78.5 



10.5 

 8.1 



8 



9 



10 



.685 

 .702 

 .708 



.828 

 .850 

 .805 



.498 

 .537 

 .528 



.330 

 .313 



.337 



82.4 

 82.0 

 81.8 



86.5 

 86.0 

 85.0 



77.5 

 78.2 

 78.5 



9.0 

 7.8 

 6.5 



11 



.700 



.853 



.510 



.343 



81.0 



84.9 



78.5 



0.4 



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

 EETSSSEEiK d — <-< «- observations m L at the several 



