Ret. period (yr)

Subarnarekha

Baitarani

Bramhani

Mahanadi

Vansadhara

Godavari

Krishna

Pennar

Ponniyar

Cauvery

Vaigai

Tparani

MMT

MMT

MMT

MMT

MMT

MMT

MMT

MMT

MMT

MMT

MMT

MMT

2

2.20

1.77

4.66

9.33

2.10

41.98

4.44

0.98

0.05

0.27

0.05

0.02

5

5.41

3.63

8.74

21.51

4.87

63.77

11.11

2.36

0.17

0.50

0.10

0.05

10

7.54

4.94

11.43

29.58

7.26

77.47

15.52

3.27

0.24

0.66

0.15

0.09

25

10.23

6.53

14.84

39.77

10.80

93.74

21.10

4.43

0.34

0.87

0.24

0.21

50

12.23

7.63

17.37

47.33

13.74

105.07

25.23

5.28

0.41

1.02

0.32

0.35

100

14.21

8.66

19.88

54.84

16.87

115.72

29.34

6.13

0.47

1.17

0.42

0.59

200

16.18

9.59

22.38

62.31

20.21

125.84

33.43

6.98

0.54

1.31

0.54

0.96

500

18.79

10.70

25.68

72.18

24.88

138.44

38.83

8.10

0.64

1.48

0.73

1.78

1000

20.76

11.46

28.17

79.63

28.62

147.56

42.91

8.94

0.70

1.62

0.91

2.79

2000

22.72

12.15

30.66

87.09

32.48

156.19

46.99

9.79

0.77

1.74

1.12

4.35

5000

25.32

12.82

33.96

96.94

36.88

165.29

52.38

10.9

0.87

1.87

1.40

7.14

10,000

27.29

13.51

36.45

104.4

41.92

174.97

56.46

11.75

0.93

2.01

1.76

11.7