SPI | Category | Number of time in 45 years | Percentage of occurrence | Severity of events |
≥2 | Extremely wet | 2 | 1.2% | 1 in 22.5 years |
1.5 - 1.99 | Severely wet | 8 | 4.8% | 1 in 5.6 years |
1 - 1.49 | Moderately wet | 19 | 11.4% | 1 in 2.4 years |
0 - 0.99 | Mild wetness | 45 | 26.9% | 1 in 1 year |
0 to −0.99 | Mild dryness | 47 | 28.1% | 1 in1year |
−1 to −1.49 | Moderately dry | 26 | 15.6% | 1 in 1.7 years |
−1.5 to −1.99 | Severely dry | 15 | 9% | 1 in 3 years |
≤−2 | Extremely dry | 5 | 3% | 1 in 9 years |
Total | 167 | 100% |
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