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 (29.30")
1901-1905 Base Period
189505 - 189604 28.29" 3 -1.01"
189605 - 189704 31.54" 9 2.24"
189705 - 189804 27.00" 1 -2.30"
189805 - 189904 30.54" 8 1.24"
189905 - 190004 29.17" 6 -0.13"
190005 - 190104 29.62" 7 0.32"
190105 - 190204 27.45" 2 -1.85"
190205 - 190304 32.17" 10 2.87"
190305 - 190404 28.52" 4 -0.78"
190405 - 190504 28.76" 5 -0.54"

Citing This Page

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