National Time Series
Please note, Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2023, retrieved on December 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/time-series