NOAA's National Centers for Environmental Information
Regional Mapping
Palmer Drought Severity Index
September 2015
-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 | -0.45 | -0.55 | 54 | 0.10 |
| Upper Midwest | 2.01 | 1.78 | 97 | 0.23 |
| Ohio Valley | 3.11 | 3.00 | 116 | 0.11 |
| Southeast | -1.50 | -1.43 | 40 | -0.07 |
| Northern Rockies and Plains | 1.83 | 1.01 | 83 | 0.82 |
| South | 1.55 | 1.50 | 92 | 0.05 |
| Southwest | 0.17 | -0.28 | 72 | 0.45 |
| Northwest | -3.47 | -3.44 | 8 | -0.03 |
| West | -5.73 | -5.85 | 4 | 0.12 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published April 2025, retrieved on April 8, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping
