S/No.

Name of stations

Z (MK)

ф

β

1

Assosa

−2.61**

2.63**

−0.03

2

Bahir Dar

−2.63**

−3.86***

−0.02

3

Nedjo

−3.53***

−1.78*

−0.03

4

Gonder

6.96***

0.40

0.04

5

Motta

4.58***

0.30

0.03

6

Average

0.75

0.12

0.00