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