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 (15.56")
1901-1905 Base Period
189510 - 189604 15.35" 5 -0.21"
189610 - 189704 17.94" 9 2.38"
189710 - 189804 15.20" 4 -0.36"
189810 - 189904 15.97" 7 0.41"
189910 - 190004 16.71" 8 1.15"
190010 - 190104 15.72" 6 0.16"
190110 - 190204 14.32" 1 -1.24"
190210 - 190304 18.15" 10 2.59"
190310 - 190404 14.50" 2 -1.06"
190410 - 190504 15.11" 3 -0.45"

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/