Test Z

Q

Change/30 years

Abha

1.34

0.01

0.3

Jeddah

0.59

0.01

0.3

Dammam

0.63

0.01

0.3

Tabouk

2.48*

0.03

0.9

Riyadh

0.21

0.001

0.03

T_mean

1.762+

0.02

0.6