NOAA's National Centers for Environmental Information
Regional Mapping
Palmer Drought Severity Index
October 2021
-4-3-2-11234
Climate Regions (Hover over a Climate Region)
PDSIPalmer Drought Severity Index (PDSI):
Anomaly:
Rank:
Mean:
Climate Region | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Northeast | 3.68 | 3.59 | 121 | 0.09 |
| Upper Midwest | -1.62 | -1.87 | 31 | 0.25 |
| Ohio Valley | 3.32 | 3.16 | 120 | 0.16 |
| Southeast | 3.21 | 3.13 | 122 | 0.08 |
| Northern Rockies and Plains | -3.99 | -4.82 | 15 | 0.83 |
| South | -0.46 | -0.59 | 55 | 0.13 |
| Southwest | -4.14 | -4.54 | 8 | 0.40 |
| Northwest | -3.51 | -3.43 | 4 | -0.08 |
| West | -5.31 | -5.47 | 3 | 0.16 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published April 2025, retrieved on April 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping
