Of 1905 IN HEBTPORDSHlRE. 



43 



There are in the aggregate 50 records of at least an 



The day in each month on which a heavy fall of rain was most 

 general over the county was : Jan. 16, Feb. 26, March 15, 

 April 9, May 30, June 5, July 9, August 28, Sept. 25, Oct. 29, 

 Nov. 26, Dec. 7 ; and in the year Jan. 16. 



The rainfall reached at least one inch in 24 hours ending 

 9 a.m. on eight occasions during the year : once in May, twice in 

 June, twice in Jvily, twice in Augiist, and once in September. 

 On two of these occasions it exceeded two inches : Jtily 9 and 

 August 27 

 inch, and four of at least two inches. 



The total yearly fall ranged from 19'31 inches at Hillside, 

 Buntingford, to 28' 29 inches at Pendley Manor, Tring ; and the 

 total monthly fall from 0'58 in. at Valency House, Eastbury, in 

 February, to 447 ins. at Baldock, in Aiigust. The greatest fall 

 in any day was 247 ins. at Summerhill, Barnet, on 9th July. 



The rainfall of the Colne and Lea districts and of the Thames 

 basin slightly exceeded the mean for the county, that of the Ivel 

 district and of the Ouse basin was a little in defect, that of the 

 Cam district was much below the county mean, and that of the 

 Thame district was nearly as much above it. 



Table XIII. — Eainfall in the River-Districts. 



The mean rainfall in each of the minor river-districts was : 

 Cam : (1) Ehee, 20-23 ins. Ivel : (2) Upper Ivel, 22-25 ins. ; 

 (3) Hiz, 22-98 ins. Thame: (4) Upper Thame, 26-25 ins. Cohie: 

 (5) Chess, 23-81 ins. ; (6) Bulbourne, 24-11 ins. ; (7) Oade, 

 26-45 ins. ; (8) Ver, 25-40 ins. ; (9) Upper Colne, 23-20 ins. ; 

 (10) Lower Colne, 21-65 ins. Bre7it: (11) Upper Brent, 26-41 ins. 

 Lea: (12) Mimram, 23-68 ins. ; (13) Beane, 24-10 ins. ; (14) 

 Rib, 21-23 ins. ; (15) Ash, 22-73 ins. ; (16) Stort, 24-93 ins. ; 

 (17) Upper Lea, 22-58 ins. ; (18) Lower Lea, 25-20 ins. 



