RAINFALL OF GUERNSEY. 241 



This change brings the " Grange " rainfall much nearer 

 the average of its neighbourhood, and justifies the remarks 

 made in former papers as to the cause of the deficit. There 

 still remains a deficit of 1*6 inch, which is probably the result 

 of the nearness of the Vauvert Valley. 



In starting the King's Mills station it was noticed that 

 the Eainfall was deficient in quantity and, at my request, it 

 was moved at the end of February into a more open exposure. 

 If the gauge had been kept in the first situation the difference 

 between St. Martin's Road and the King's Mills would have 

 been 11*5 inches for the year. Since the change of position 

 that difference is reduced to 1'75 inches, which is consistent 

 with the Rainfall of that part of the island. 



These facts show how important it is to have a correct 

 exposure, and how careful Ave must be in forming conclusions 

 as to the correct Rainfall. I have, however, discounted these 

 differences in my previous arguments on this subject. 



This year has proved drier than the average by over 

 three inches. 19U6 and 19U5 being dry years have reduced 

 the average from 36*62 to 36*46, but owing to 1903 and 1904 

 being wet years these four years leave the average rainfall 

 very little changed. 



The wettest months were January and November, each 

 with 5*69 inches. August was very dry with 73 inches. 

 There were four wet months, viz. : January, February, May 

 and November. These exceeded their average falls by 14:°/ ; 

 l4*77o ; ll*^°/o ^^^^ 12*77c- The driest months, Augu^ 

 and July, fell short of their averages by 70°/^ and 537o. 



