RAINFALL AT SARK, HERM AND ALDERNEY. 139 



ABSOLUTE DROUGHTS. 



An Absolute Drought is a "period of more than 14 

 consecutive days no one of which is a rain day." 



Sark. 



January 19 to February 2 = 15 days. 



May 1 to 23 = 23 „ 



June 7 to 21 = 15 „ 



July 28 to August 16 =20 „ 



Alderney. 



February 12 to 26 = 15 days. 



May 1 to 23 = 23 „ 



August 1 to 16 = 16 „ 



PARTIAL DROUGHTS. 



A Partial Drought is a "period of more than 28 con- 

 secutive days, the mean rainfall of which does not exceed 

 •01 in. per day." 



Sark. 



July 10 to August 16 = 38 days with a total of 0*31 in. 

 of rain which fell on 7 days. 



Alderney. 



April 30 to May 31 =32 days with a total of 0*29 in. of 

 rain which fell on 5 days. 



LONGEST RAIN SPELL. 



Inclusive dates giving the longest unbroken succession of 

 rain days in each island for the year. 



Sark. 



November 27 to December 7 =11 days with a total of 

 2*80 in. of rain. 



Alderney. 



January 6 to 16 = 11 days with a total of 1*83 in. of 



rain. 



