Analysis and Comparison of Trends in Extreme Temperature Indices in Riyadh City, Kingdom of Saudi Arabia, 1985–2010

Figure 4

Time series and linear trends of (a) TX90p, (b) TN90p, (c) TX10p, and (d) TN10p for the urban and rural stations. TX90p and TN90p: number of days when daily maximum and minimum temperatures >90th percentile, respectively; TX10p and TN10p: number of days when daily maximum and minimum temperatures >10th percentile, respectively.

(a)

(b)

(c)

(d)