94 



Notes on Hydrology. 



In England — 

 Greenwich 

 Wandsworth 

 Southampton 

 g (Holborn, London 

 % \ Highgate „ 

 H (Greenwich 

 Westminster, Vauxhall, 



and Lambeth . . . 4*00 

 Nottingham . . . 3*25 



Little Bridge ... '68 



1 inch in 15 minutes, 25th July, 1852 

 2*17 inches in 2 hours, 12th June, 1859 



2-05 



4-00 



3-50 



•95 



2i 

 1 



1 



1 



26th Sept., 1859 

 1st Aug., 1846 



3 

 1 



U min., 29th Sept., 1855 



13th Aug,, 1857 



Average Yeaely Rainfall. 



Sydney 



Melbourne 



Sandhurst 



Adelaide 



England 



London 



Ireland 



France 



Spain 



51*46 inches 



2713 



21-73 



21-09 



38-00 



24-00 



36-00 



31-00 



22-00 



The following are some of the heaviest rates per hour of 

 rainfall in Sandhurst, for various short periods since 1877 — 



Minutes— 1 2 2J 

 9th Feb., 1878 ... - - - 

 26th Feb., 1880 ... - - - 

 21st March, 1880... - -3-6 

 26th October, 1882 4-8 4-3 - 

 28th Nov., 1882 ... 6'3 57 - 



- - 2-8 - 2-6 

 3-8 3-4 3-0 2-5 2-4 

 5-5 5-1 4-7 - 4-2 



15 IS* 20 25 • 30 

 2-88 - 2-68 - 2-00 



- - - 1-28 -90 



- 1-78 - - - 



Rainfall, 4 a.m., 22nd April, 1882, to 3 p.m., 24th April, 

 1882, 3'66 inches; heaviest in 1 hour during the same 

 period, -QQ inch. 



Heavy Falls in Sandhurst in various short Periods. 



Rate per hour. 

 .. -85 inches 

 .. '83 „ 



31st Dec, 1863 

 8th Feb., 1864 

 7th Sept., 1870 

 14th March, 1874 

 13th Feb, 1875 

 12th Oct, 1875 

 11th Feb, 1877 

 11th Feb, 1878 

 19th Oct, 1882 



3 inches 



•83 „ 



'75 „ 



•46 , : 



'DO ,. 



•50 ,: 



2'50 , 



113 ,. 



•40 „ 



in 3 J hours 



1 „ 



15 minutes 

 24 

 10 

 5 

 75 

 90 



.. 3-00 



.. 1-15 



.. 3-30 



.. 6-00 



.. 2-00 



.. 75 



.. 4-80 



