Statistical test

Average Runoff

Annual

Rainy

Dry

Mk statistics (Z_S)

2.51*

1.66

2.08*

p-value

0.02*

0.08

0.07

(Q_med)

2.14

2.06

1.68

Kendell tau (τ)

0.33

0.25

0.26

Average Water level

(Z_S)

−3.90***

−4.09***

−2.87**

(Q_med)

−6.45

−7.17

−5.49

Average Evaporation

(Z_S)

−4.09***

−2.64**

−3.62***

(Q_med)

−1.30

−0.33

−0.83