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 (7.61")
1901-1905 Base Period
189502 - 189504 5.39" 1 -2.22"
189602 - 189604 7.05" 5 -0.56"
189702 - 189704 8.83" 11 1.22"
189802 - 189804 6.09" 2 -1.52"
189902 - 189904 6.88" 3 -0.73"
190002 - 190004 8.21" 10 0.60"
190102 - 190104 6.95" 4 -0.66"
190202 - 190204 7.31" 6 -0.30"
190302 - 190304 8.03" 8 0.42"
190402 - 190404 7.65" 7 0.04"
190502 - 190504 8.09" 9 0.48"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/