KATNTALL IN HERTFORDSHIRE IN 1893. 



39 



June 3rd at 1, 6th at 2, 10th at 1, 22nd at 23, 27th at 11, 6th and 27th at 2. 



July 9th at 3, Tith at 11, 19th at 8, 23rd at 4, 25th at 2, 26th at 10, 30th at 

 1, 19th and 26th at 1. 



August 1st at 0, 3rd at 5, 4th at 1, 5th at 1, 9th at 4, 22nd at 1, 23rd at 5, 

 31st at 16, 1st and 9th at 1, 1st and 28rd at 1. 



September 8th at 13, 19th at 11, 26th at 5, 28th at 8, 8th and 25th at 1, 19th 

 and 28th at 2. 



October 9th at all stations. 



November 14th at 19, 18th at 1, 25th at 20. 



December 8th at 1, 12th at 21, 13th at 1, 20th at 16, 8th and 12th at 1. 



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



general over the county was therefore — 



Jan. 26th April 16th July 12th Oct. 9th 



Feb. 21st May I7th Aug. 31st Nov. 2oth 



March 1st June 22nd Sept. 8th Dec. 12th 



The number of wet days in the year (average of 36 gauges) was 

 154, being 14 below the mean for the 20 years 1870-89. Of the 

 total number there were 57 (or 37 per cent.) in the winter months, 

 16 (or lOA^ per cent.) in the spring, 39 (or 25J per cent.) in the 

 summer, and 42 (or 27J per cent.) in the autumn. 



The average number of wet days in each month, and the de^-iation 

 from the mean for the 20 years 1870-89, was as follows : — 



July 18 +4 Oct. 16 +1 



Aug. 12 — 1 Nov. 15 — 1 



Sept. 11 —2 Dec. 16 = 



Distribution of Rainfall throughout the County. — The following 

 table (Table IV) gives the mean fall for each month and for the 

 year in each of the five river-districts represented, and in the two 

 main hydro graphical di\4sions of the county, the catchment-basins 

 of the Great Ouse and the Thames, and also the difference in the 

 year from the mean for the decade 1880-89. 



Table IV. — Rainfall in the River Districts. 



