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
Date Value Rank Departure From Mean (2.26")
1901-1905 Base Period
189504 1.99" 3 -0.27"
189604 2.59" 9 0.33"
189704 2.42" 7 0.16"
189804 2.02" 5 -0.24"
189904 1.78" 1 -0.48"
190004 3.41" 11 1.15"
190104 2.53" 8 0.27"
190204 1.85" 2 -0.41"
190304 1.99" 3 -0.27"
190404 2.12" 6 -0.14"
190504 2.80" 10 0.54"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/