1919.J 



THE RAINFALL OF GUERNSEY. 



225 



The other falls reaching an inch — or exceeding it — were 



as follows : — 



January 4, at S. George, 1/05" 



March 3, all stations with only slight differences in the fall, which at this 



station amounted to 1*08." 

 December 30, at St. Martin's Road station only, 1*01." 



Table 3 shews the droughts which have occurred. From 

 this it will be seen that the driest part of the year was from 

 May 15th to September 4th. 



Although the total for the year is high, it has been 

 exceeded, during the 77 years', 7 times. 



As stated above, the excess has been due to the wetness of 

 the first 3 months ; their combined rainfall have broken the 

 record for those months. Their previous record was reached 

 in 1866. The progressive rainfall for the first 4 months of 

 these 2 years is as follows : — 



January. February. March. April. 





10 



20 



30 



9 



956 



8-71 



19 



- 1 11 



21 



15 48 

 1638 



31 



1619 

 1775 



10 



20 



30 



1866 



1919 



265 

 269 



6-24 

 5"61 



7-81 

 6.78 



12 49 

 11-16 



13-73 14-84 

 12 27| 14-92 



1761 

 18-36 



1831 

 19-50 



1835 

 2006 



No other record has been broken during the year. This 

 wet year has raised the average by 0*11 inches. 



DISTRIBUTION OF RAINFALL OVER THE ISLAND. 



The total rainfall collected at the different stations are in 

 general agreement with the map, published in the Transactions 

 of 1917, but there are differences in the detail, which are 

 worthy of note. This year, the St. Martin's Road station is 

 not the highest, its total having been exceeded by those of 

 Queen's Road, Ramee and Villiaze, St. Saviour's. No conclu- 

 sion can be formed as to the permanency of these results, as 

 the first two named stations have collected for the last year 

 only. In the case of St. Saviour's a total, fully 10% more than 

 its average, has been returned. The stations on the S. and 

 S.E. of the island which on the map, before referred to, 

 averaged 94 to 96% have this year only risen to 93%. At the 

 North of the island there is a considerable difference ; Fort 

 Doyle has only collected 61% of the town fall, when according 

 to previous years' results, the percentage should have been 

 from 78 to 80. During some of the months, not shewn in the 

 table, this station has a total equal to that of the town, which 

 fact indicates that the difference is a real one. The small 

 rainfall of this position is a phenomenon difficult to understand ; 



F 



