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 (148.08")
1901-1907 Base Period
189503 - 190002 144.83" 1 -3.25"
189603 - 190102 148.05" 5 -0.03"
189703 - 190202 145.07" 2 -3.01"
189803 - 190302 148.39" 7 0.31"
189903 - 190402 146.31" 3 -1.77"
190003 - 190502 146.47" 4 -1.61"
190103 - 190602 148.30" 6 0.22"
190203 - 190702 153.94" 8 5.86"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/