60 



Proceedings. 



In the order of amount which fell each month m the past 

 year, May stood at the head, a most unusual occurrence, for 

 May on the average is the second driest month in the year, 

 March being the one in which the least rain falls. 



The following table shows the rainfall in the order of 

 amount for each month in 188G : — 



34-51 



31-20 



26-51 



More rain falls at Eedhill than at Greenwich. The excess 

 is in the winter half of the year, the total average from 

 October to March being, for Eedhill, 16-88 in. ; for Green- 

 wich, 12-38 in. ; difference, 4-50 in. The total average from 

 April to September being, for Eedhill, 14-32 in. ; for Green- 

 wich, 14-13 in. ; difference, -19 in. 



I observed that for the year 1886 the month of May showed 

 the heaviest fall of rain. There were three heavy falls in that 

 month, viz., on the 12th, 1-17 in. ; on 21st and 22nd, 1-44 in. ; 

 on 24th, -91 in.; 3-52 m. in four days. The fall of rain on 

 May 12th was very excessive in many parts of England and 

 Ireland. Over the East of Ireland rain to the extent of 3 in. 

 fell. In several places, in counties Down, Dublin, Meath 

 and Wexford, and in the Isle of Man, 3J in. fell. 



In the Midland Counties of England rain commenced about 



