XXXI 



VI. 



METEOEOLO&ICAL AVEEAGE8 



Deduced from twenty years observations at the Madras 

 Observatory. 



1841 to 1861. 



January 



February... 



March 



April 



May. 



June 



July 



August 



September. 



October 



November.. 

 December.. 



Ainiuail 



Atmospheric 

 presauje re- 

 duced to 32". 



29-997 

 29'970 



29-715 

 29761 

 29-779 

 29-849 

 29-932 

 29-977 



Mean 

 Tempe- 

 rature. 



78-3 



76-9 



88-6 



84-2 



86-4 



86-5 



S4-8 



83-8 



83-3 



80-6 ' 



77-6 



75-6 



■Wet Bulb 



Ther- 

 mometer. 



81-3 



69 5 

 70-9 

 74-8 

 78-0 

 78-5 

 77-1 

 76-5 

 76-6 

 76-6 

 75-9 

 72-5 

 70-2 



74-7 



Dew 

 Foiut. 



68-0 

 7^-0 

 76-6 

 75-5 

 73-3 

 73-1 

 73-7 

 73-9 

 74-0 

 70-2 

 67-5 



Per-cent- 

 age of 

 Humid- 

 ity. 



76 

 75 

 76 

 76 

 71 



74 

 81 

 79 

 77 



Bain 

 Pall. 



0-96 

 0-25 

 0-42 

 0-67 

 2-26 

 1-73 

 3-60 

 4-37 

 4-54 

 11-37 

 12-73 

 5-73 



The preceding table contains the mean or average results 

 of a series of lioiirly observations continued for twenty- 

 years, viz., from 1841 to 1861. The cistern of the Baro- 

 meter is twenty-seven feet above the mean sea level. It 

 appears upon inspection of the column of atmospheric presr 

 sure, that after being duly corrected to the usual standard 

 temperature of 32° Fahrenheit, the Barometer reads highest 



