Table 1. Classifications of Palmer Drought Severity Index.
| |
| |
|
Value |
Classifications of Palmer Drought Severity Index |
| |
|
4.0 or more |
Extremely wet |
|
3.0 to 3.99 |
Very wet |
|
2.0 to 2.99 |
Moderately wet |
|
1.0 to 1.99 |
Slightly wet |
|
0.5 to 0.99 |
Incipient wet spell |
|
0.49 to -0.49 |
Near normal |
|
-0.5 to -0.99 |
Incipient dry spell |
|
-1.0 to -1.99 |
Mild drought |
|
-2.0 to -2.99 |
Moderate drought |
|
-3.0 to -3.99 |
Severe drought |
|
-4.0 or less |
Extreme drought |
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