NOAA's National Centers for Environmental Information
Regional Mapping
Palmer Drought Severity Index
September 1949
-4-3-2-11234
Climate Regions (Hover over a Climate Region)
PDSIPalmer Drought Severity Index (PDSI):
Rank:
Anomaly:
Mean:
Climate Region | Value | Rank 130 Years | Anomaly | 1901- |
|---|---|---|---|---|
| Northeast | -2.48 | 11 | -2.58 | 0.10 |
| Upper Midwest | -2.41 | 14 | -2.64 | 0.23 |
| Ohio Valley | 1.37 | 85 | 1.26 | 0.11 |
| Southeast | 3.51 | 124 | 3.58 | -0.07 |
| Northern Rockies and Plains | -1.12 | 39 | -1.94 | 0.82 |
| South | 2.14 | 102 | 2.09 | 0.05 |
| Southwest | -0.25 | 68 | -0.70 | 0.45 |
| Northwest | -2.51 | 22 | -2.48 | -0.03 |
| West | -1.09 | 47 | -1.21 | 0.12 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published July 2025, retrieved on July 12, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping
