Test Z

Q

Change/30 years

Abha

0.11

0.001

0.03

Jeddah

1.07

0.007

0.21

Dammam

1.77+

0.02

0.6

Tabouk

2.36*

0.03

0.9

Riyadh

0.82

0.01

0.3

T_mean

1.499

0.01

0.3