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 (46.07")
1901-1909 Base Period
189501 - 189606 42.60" 2 -3.47"
189601 - 189706 45.99" 9 -0.08"
189701 - 189806 44.52" 4 -1.55"
189801 - 189906 44.77" 6 -1.30"
189901 - 190006 44.14" 3 -1.93"
190001 - 190106 44.83" 7 -1.24"
190101 - 190206 42.28" 1 -3.79"
190201 - 190306 46.82" 11 0.75"
190301 - 190406 44.52" 4 -1.55"
190401 - 190506 45.26" 8 -0.81"
190501 - 190606 48.39" 13 2.32"
190601 - 190706 48.75" 14 2.68"
190701 - 190806 47.59" 12 1.52"
190801 - 190906 46.18" 10 0.11"

Citing This Page

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