RAINFALL IN HERTFORDSHIRE IN 1903. 
107 
Sewage Works (2-16), and Broxbourne (2-30); and very excessive 
at Much Hadham (3-15 ins.) and Feilde’s Weir (3*09). On the 
25th the fall was considerable at 27 stations and very considerable 
at 10 ; on the 26th it was considerable at 3, on the 27th at 5, and 
on the 29th at 2 stations. The 23rd was the wettest day at all 
(52) stations. 
August. —The third successive very wet month, with rain on 
a large number of days. On the 11th the fall was considerable at 
7 stations, very considerable at 34, and great at Preston (T06in.), 
Bridge House, Welwyn (POO), Datchworth (P02), and Bayford- 
bury (POO); on the 20th it was considerable at 8 stations; and on 
the 24th it was considerable at 26 stations, very considerable at 4, 
great at Kensworth (1*13 in.), Feilde’s Weir (1*02), Broxbourne 
(1*15), and Hadley (1*10), and very great at Gilston Park (P25in.) 
and Hew Barnet (P30). The 11th was the wettest day at 40 
stations and the 24th at 12. 
September.— Rainfall and number of rainy days about the 
average. On the 4th the fall was considerable at 4 stations, very 
considerable at 2, great at Gilston Park (PI5 in.), Bayfordbury 
(Pll), Hertford Sewage Works (P13), and Red House, Ware 
(P17); very great at Much Hadham (P42in.), Fanhams Hall, 
Ware (P25), Horthaw (P51), and Hadley (1*47); and heavy at 
F’eilde’s Weir (l*55in.). It will be noticed that all these stations 
are in the Lea river-basin. On the 10th it was considerable at 
25 stations and very considerable at 6, and on the 24th it was 
considerable at 2 stations and very considerable at one station (our 
three Berkhamsted stations only, a very local fall). The 4th was 
the wettest day at 16 stations, the 10th at 35, and the 24th at 
one station (Fairhill, Berkhamsted). On each of these three days 
the rainfall was caused by thunderstorms, that on the 10th being 
accompanied by a gale of wind which did some damage ; but the 
most severe thunderstorm in the month occurred on Saturday the 
12th, when damage was done by lightning at Codicote, near 
Welwyn, and Birch Green, near Hertford. 
October.— An excessively wet month, the wettest in the year, 
and with rain nearly every day, only four, on the average, being 
without rain, several stations having only one fine day, and one 
observer recording a measurable quantity (at least 0*01 in.) every 
day. On the 8th the fall was considerable at 20 stations and very 
considerable at one station (Kensworth). The 11th was much the 
wettest day: the fall was considerable at 3 stations; very considerable 
at 27 ; great at Apsley Mills (P08in.), Rothamsted (PI5), the 
County Museum, St. Albans (P08), Weetwood, Watford (P06), 
Frogmore, Watford (P02), Colne "Valley Water Works, Watford 
(P21), Feilde’s Weir, Hoddesdon (1*05), Hadley (P13), and Hew 
Barnet (1*16); and very great at Aldenham House (P32in.), 
London Orphan Asylum, Watford (1*27), and Horthaw (P30). 
On the 12th the fall was considerable at 3 stations, on the 21 st at 
one station, on the 25th at 5 stations, and on the 26th at 4. The 
next day was a very wet one generally, the fall on the 27th being 
