NOAA's National Centers for Environmental Information
Regional Mapping
Palmer Drought Severity Index
October 2017
-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 | 1.82 | 1.73 | 93 | 0.09 |
| Upper Midwest | 3.64 | 3.39 | 122 | 0.25 |
| Ohio Valley | 1.62 | 1.46 | 84 | 0.16 |
| Southeast | 2.28 | 2.20 | 107 | 0.08 |
| Northern Rockies and Plains | 0.55 | -0.28 | 58 | 0.83 |
| South | -0.51 | -0.64 | 53 | 0.13 |
| Southwest | -0.58 | -0.98 | 65 | 0.40 |
| Northwest | -1.30 | -1.22 | 42 | -0.08 |
| West | -1.27 | -1.43 | 39 | 0.16 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published May 2025, retrieved on May 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping
