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 (88.48")
1901-1905 Base Period
189505 - 189804 86.83" 3 -1.65"
189605 - 189904 89.08" 5 0.60"
189705 - 190004 86.71" 2 -1.77"
189805 - 190104 89.33" 7 0.85"
189905 - 190204 86.24" 1 -2.24"
190005 - 190304 89.24" 6 0.76"
190105 - 190404 88.14" 4 -0.34"
190205 - 190504 89.45" 8 0.97"

Citing This Page

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