RAINFALL IN HERTFORDSHIRE IN 1894. 



137 



August 10th at 5, 23rd at 17, 24th at 11, 2oth at 5, 23rd and 24th at 1, 23rd 

 and -iotli at 1. 



September 6th at 3, 7th at 1, 8th at 1, 9th at 1, 22ud at 2, 23rd at 14, 24th 

 at 8. 25th at 5, 6th and 23rd at 2, 7th and 24th at 2, 23rd and 25th at 1. 



Oetober 24th at 8, 28th at 6, 30th at 20. 



November 12th at 18, 14th at 22. 



December 14th at all stations. 



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

 general over the county was therefore — 



Jan. 14th 

 Feb. 17th 

 March 12th 



April 24th 

 May 26th 

 June 3rd 



The number of wet davs in the year (average of 39 gauges) was 

 191, being 23 above the "^ mean for the 20 years 1870-89. Of the 

 total number there were 54 (or 28i °/q) in the winter months, 

 38 (or 20 %) in the spring, 51 (or 26f 7o) ^ ^^^ summer, and 

 48 (or 25 °l^) in the autumn. 



Tlie average number of wet days in each month, and the 

 deviation fi'om the mean for the 20 years 1870-89, was as 

 follows : — 



Jan. 22 +7 

 Feb. 15 +1 

 March 10 —3 



April 13 = 

 May 15 +2 

 June 14 -fl 



July 18+4 

 Aug. It) 4-6 

 Sept. 13 = 



Oct. 19 +4 

 Nov. 16 = 

 Dec. 17 +1 



Distrilution of Rainfall throughout the Comity. — 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 hydrographical divisions 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, 



