SPI | Category | Number of time in 45 years | Percentage of occurrence | Severity of events |
≥2 | Extremely wet | 3 | 1.8% | 1 in 15 years |
1.5 - 1.99 | Severely wet | 9 | 5.4% | 1 in 5 years |
1 - 1.49 | Moderately wet | 22 | 13.2% | 1 in 2.1 years |
0 - 0.99 | Mild wetness | 51 | 30.5% | 1 in 0.88 year |
0 to −0.99 | Mild dryness | 42 | 25.2% | 1 in 1.1 years |
−1 to −1.49 | Moderately dry | 21 | 12.5% | 1 in 2.1 years |
−1.5 to −1.99 | Severely dry | 13 | 7.8% | 1 in 3.5 years |
≤−2 | Extremely dry | 6 | 3.6% | 1 in 7.5 years |
Total | 167 | 100% |
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