Values | Condition |
≥2.00 | Extremely wet |
1.50 - 1.99 | Severely wet |
1.00 - 1.49 | Moderately wet |
−0.99 - 0.99 | Near normal |
−1.00 - −1.49 | Moderately drought |
−1.50 - −1.99 | Severe drought |
≤–2.00 | Extreme drought |