Drought Analysis for Kuwait Using Standardized Precipitation Index

Figure 5

Drought severity for SPI3, SPI6, SPI12, and SPI24. The spikes represent the successful drought events. The numbers in the parentheses represent the drought durations. The time duration of the data is from January 1967 (month number 1) to December 2009 (month number 516). The two dashed lines are used to divide the data into three distinct equal time intervals corresponding to those found in Figure 2.

(a)

(b)

(c)

(d)