Research Article

Power Data Access Viewer-Based Meteorological Drought Analysis and Rainfall Variability in the Nile River Basin

Table 1

Classification of standardized precipitation index values [28, 29].

SPI valueClass

≤−2.0Extremely drought
−1.99 to −1.49Severely drought
−1.49 to −0.99Moderately drought
−0.99 to 0.99Near normal
1.0 to 1.49Moderately wet
1.5 to 1.9Severely wet
≥2.0Extremely wet