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 (120.38")
1901-1909 Base Period
189507 - 189906 117.25" 3 -3.13"
189607 - 190006 118.13" 5 -2.25"
189707 - 190106 116.59" 2 -3.79"
189807 - 190206 116.37" 1 -4.01"
189907 - 190306 118.59" 6 -1.79"
190007 - 190406 117.98" 4 -2.40"
190107 - 190506 118.68" 7 -1.70"
190207 - 190606 121.68" 8 1.30"
190307 - 190706 122.47" 9 2.09"
190407 - 190806 125.82" 11 5.44"
190507 - 190906 125.25" 10 4.87"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/