1904-5.] Rainfall on Drainage Area of Talla Reservoir. 
623 
tively, 1508, or 59*00 per cent.; 1582, or 61*89 per cent.; and 
1718, or 67*21 per cent. ; while the days on which over an inch 
fell were 118, or 4*61 per cent. ; 70, or 2*74 per cent. ; and 34, or 
1*38 per cent. 
There were 36 records of more than 2 inches in one day, and 
of these 25 were at 5a, 8 at 6a, and 3 at 7a. 
There were three readings of over 3 inches, all at gauge 5a, and 
the highest recorded reading on any one day was on 1st November 
1898, when 3*57 inches of rain fell at that point. 
The heaviest continuous rainfall was from 26th to 30th Decem- 
ber 1897 inclusive — 5 days in all — when 9*99 inches were recorded 
at gauge 5a, 8*23 at 6a, aud 5*02 at 7a. 
The longest period of practically continuous rainfall was from 
11th September to 11th October 1896 inclusive, 31 days in all, at 
gauge 5a, when 13*89 inches were recorded. During this time, 
11 days and 3 days were recorded at 6a and 7a respectively as 
having no rain. 
The extreme variation between the rainfall of two consecutive 
days occurred on October 31st and November 1st, 1898, when the 
readings were : — 
With regard to the monthly readings, these show that on the 
average of the seven stations, there were 2 months on which less 
than 1 inch fell, 39 months on which the fall was between 
1 inch and 5 inches, 39 months on which the fall was 5 inches 
and under 10 inches, and 4 months on which the fall was 
10 inches or over. 
The wettest station was 5a, which had only 1 month under 1 
inch, 33 months between 1 and 5 inches, 42 months between 5 
and 10 inches, and 8 months over 10 inches; while the driest 
station was 7a, which had 3 months with a fall under 1 inch, 55 
months between 1 and 5 inches, 24 months between 5 and 10 
inches, and 2 months with a fall over 10 inches. 
The greatest rainfall in any one month was in December 1900, 
when the average at the seven stations was 14*09 inches, ranging 
Oct. 31st 
Nov. 1st 
Oct. 31st 
Nov. 1st 
at 5 a. 
at 6a. 
