Geoscience Reference
In-Depth Information
Table 5.5 Return period of catastrophic rainfalls after Gumbel (
1954
)
Year
No of days of
catastrophic
rainfall
Total of the
catastrophic
rainfall
Arranged in
descending
order
Rank
T = (N + 1)/m
(Gumbel
(
1954
))
Average
daily rain
Arranged in
descending
order
Rank
T = (N + 1)/m
(Gumbel
(
1954
))
2001
5
603.5
1933.5
1
7
120.7
161.12
1
7
2002
8
1016
1228.8
2
3.5
127
141.53
2
3.5
2003
9
1153.42
1153.42
3
2.33
128.15
128.15
3
2.33
2004
12
1933.5
1016
4
1.75
161.12
127
4
1.75
2005
6
849.2
849.2
5
1.4
141.53
120.7
5
1.4
2006
12
1228.8
603.5
6
1.16
102.4
102.4
6
1.16
Mean
1130.7367
130.1500
a
S.D.
452.7617
19.8087
b
C.
V.
0.4000415
0.152199
a
S.D. Standard Deviation
b
C.V. Coef
cient of Variation
Search WWH ::
Custom Search