NOAA's National Centers for Environmental Information
Regional Mapping
Palmer Drought Severity Index
September 1899
-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 | -1.64 | -1.74 | 37 | 0.10 |
| Upper Midwest | -0.46 | -0.69 | 53 | 0.23 |
| Ohio Valley | -1.90 | -2.01 | 23 | 0.11 |
| Southeast | -2.85 | -2.78 | 18 | -0.07 |
| Northern Rockies and Plains | -0.68 | -1.50 | 48 | 0.82 |
| South | -1.27 | -1.32 | 40 | 0.05 |
| Southwest | -1.75 | -2.20 | 38 | 0.45 |
| Northwest | 1.12 | 1.15 | 98 | -0.03 |
| West | 0.58 | 0.46 | 88 | 0.12 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published April 2025, retrieved on April 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping
