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Table 2 Mann–Kendall and Sen’s slope results for monthly rainfall trends

From: Spatiotemporal climate and vegetation greenness changes and their nexus for Dhidhessa River Basin, Ethiopia

AEZ

Parameters

January

February

March

April

May

June

July

August

September

October

November

December

Tepid sub-humid

Z-test

− 0.72

− 0.92

− 1.31

0.64

2.45*

− 0.04

− 0.17

0.37

1.37

0.04

0.67

− 0.17

Sen’s slope (mm/year)

− 0.08

− 0.15

− 0.50

0.33

2.25

− 0.95

− 0.07

0.08

0.86

0.39

0.20

− 0.02

Cool sub-humid

Z-test

− 0.86

− 0.49

− 0.81

− 0.55

2.45*

− 0.07

0.01

− 0.50

− 0.05

0.31

0.85

− 0.74

Sen’s slope (mm/year)

− 0.04

− 0.07

− 0.39

− 0.26

3.66

− 0.44

0.04

− 0.34

− 0.05

0.53

0.18

− 0.06

Warm sub-humid

Z-test

− 0.89

− 0.81

− 0.88

0.54

2.34*

0.3

− 0.09

− 0.33

1.35

0.04

1.16

− 0.07

Sen’s slope (mm/year)

− 0.02

− 0.04

− 0.22

0.28

2.42

0.17

− 0.15

− 0.26

0.88

0.48

0.19

0.00

Tepid humid

Z-test

− 0.26

− 0.85

− 1.45

0.2

1.66

1.67

1.27

0.64

1.45

0.77

0.09

− 0.44

Sen’s slope (mm/year)

− 0.04

− 0.21

− 0.76

0.11

1.77

1.32

0.91

0.08

1.28

0.96

0.06

− 0.05

Tepid moist

Z-test

− 0.69

− 0.54

− 1.32

0.34

1.97*

0.26

− 0.20

0.34

2.12*

0.84

0.63

− 0.12

Sen’s slope (mm/year)

− 0.06

− 0.07

− 0.64

0.16

2.34

0.97

− 0.10

0.27

1.29

0.78

0.15

− 0.02

Warm humid

Z-test

− 0.26

− 0.67

− 0.85

− 0.04

1.79

2.2*

0.65

− 0.6

1.07

0.51

0.37

− 0.25

Sen’s slope (mm/year)

− 0.03

− 0.14

− 0.48

− 0.08

1.80

1.72

0.34

− 0.32

0.71

0.45

0.10

− 0.02

Warm moist

Z-test

− 0.71

− 0.67

− 1.09

0.59

2.29*

0.26

− 0.41

0.07

1.24

0.46

0.71

0.07

Sen’s slope (mm/year)

− 0.03

− 0.04

− 0.37

0.24

2.29

0.61

− 0.13

0.06

0.81

0.41

0.20

0.01

  1. * Statistically significant at 0.05% level