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 (149.96")
1901-1909 Base Period
189507 - 190006 146.19" 2 -3.77"
189607 - 190106 147.53" 4 -2.43"
189707 - 190206 144.67" 1 -5.29"
189807 - 190306 148.54" 6 -1.42"
189907 - 190406 146.92" 3 -3.04"
190007 - 190506 148.08" 5 -1.88"
190107 - 190606 149.76" 7 -0.20"
190207 - 190706 154.64" 9 4.68"
190307 - 190806 154.15" 8 4.19"
190407 - 190906 155.35" 10 5.39"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/