National Time Series

Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Parameter:

Time Scale:

Month:

Start Year:

End Year:

Options

Display Base Period
Start: End:

Display Trend
per Decadeper Century
Start: End:

Smoothed Time Series
Binomial FilterLOESS

Download: CSV JSON XML

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/time-series