72 



J. Eliot— The South-West Monsoon Stc 



[No. 2, 



dicates that there was now a well-defined atmospheric whirl at the 

 Head of the Bay, the centre of which was at a little distance to the 

 S. S. E. of Saugor Island. Pressure was below the normal for the day 

 over the province of Bengal by amounts varying from 1" at Chittagong 

 to zero at Patna. Winds were very light over the whole province. 

 Northerly winds had fully set in over South- West Bengal and Orissa, 

 whilst winds more or less easterly prevailed over East and North Bengal, 

 Behar, and Chutia Nagpore. 



Ths weakness of the winds is shown by the following observations : — 





Amount of 



wind 



during 



24 hours 



preceding 



10 A. M. 



Average 

 wind 



amount. 

 June. 



Percentage 



of actual 



to average. 



Calcutta 



Berhampore 



Dacca 



139-0 

 94-7 

 631 

 24-0 



130-5 



152-3 

 132-3 



183-7 



94-4 



214-9 



91-3 

 71-6 

 34-3 



Purneah 



25-3 



Hazaribagh 



60-9 



The slight indraught to the cyclonic disturbance from the north 

 and east had already diminished the humidity of the air and the amount 

 of cloud in North Bengal and Behar. The sky was overcast in Orissa 

 and South- West Bengal and the southern districts of East Bengal. The 

 rainfall in the province was small in amount and localized in its distri- 

 bution, except in Orissa and the southern districts of South-West Bengal, 

 where moderate rain had already began to fall in connection with the 

 cyclonic disturbance. 



The weather in Orissa at this time is described as unsettled. 

 Winds were light and variable and gave occasional showers of rain. 



The following table gives the average rainfall in each of the divisions 

 of Bengal for the 24 hours preceding 6 p. m. : — 



Bainfall Tahle of the 27th June 1883. 



Province. 



Number of 

 stations 

 in each 

 division. 



Average 



Eainfall of 



preceding 



24 hours. 



Heaviest fall 



reported in 



24 hours. 



Orissa 



South- West Bengal 



East Bengal 



North Bengal 



North Behar 



South Behar 



Sonthal Pergunnahs and ") 

 Chutia Nagpore j 



16 



46 

 26 

 27 

 16 

 17 



16 



017 



0-28 

 0-49 

 0-09 

 013 

 0-16 



0-24 



2-25 

 2-20 

 2-50 

 0-57 

 0-67 

 0-69 



0-84 



