Table 2 Mean value μ, standard deviation σ and coefficient of variation c _v for the monthly maximum rainfall, evaluated in the different months, for the city of Addis Ababa

μ

10.48

9.45

14.33

20.84

15.63

18.00

22.23

25.21

23.46

13.11

3.42

3.89

σ

15.23

13.27

12.39

14.49

11.58

10.44

11.95

28.91

47.23

11.70

7.50

7.85

c _v

1.45

1.40

0.86

0.70

0.74

0.58

0.54

1.15

2.01

0.89

2.19

2.02