Table 4 Number of drought events corresponding to different time scales and levels of drought condition during the 1981–2023 period.
Drought characteristics | SPI-3 | SPI-6 | SPI-9 |
|---|---|---|---|
Drought magnitude [months] | |||
Moderate drought | 48 | 45 | 42 |
Severe drought | 24 | 24 | 24 |
Extreme drought | 12 | 12 | 12 |
Drought frequency [%] | 16.6 | 16.0 | 15.4 |
Drought duration [months] | 3.8 | 6.0 | 7.6 |
Drought intensity [–] | 4.1 | 6.9 | 8.8 |
