Climate at a Glance

National Time Series

Choose from the options below and click "Plot" to create a time series graph.
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.


Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).

Download: xml csv json
Dates Value Rank Departure From Mean (146.81")
1901-1905 Base Period
189505 - 190004 146.54" 3 -0.27"
189605 - 190104 147.87" 5 1.06"
189705 - 190204 143.78" 1 -3.03"
189805 - 190304 148.95" 6 2.14"
189905 - 190404 146.93" 4 0.12"
190005 - 190504 146.52" 2 -0.29"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/