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 (13.63")
1901-1909 Base Period
189502 - 189506 11.22" 1 -2.41"
189602 - 189606 12.65" 5 -0.98"
189702 - 189706 13.83" 12 0.20"
189802 - 189806 12.39" 3 -1.24"
189902 - 189906 12.59" 4 -1.04"
190002 - 190006 13.69" 11 0.06"
190102 - 190106 12.21" 2 -1.42"
190202 - 190206 13.20" 7 -0.43"
190302 - 190306 13.92" 13 0.29"
190402 - 190406 13.35" 9 -0.28"
190502 - 190506 15.13" 15 1.50"
190602 - 190606 13.26" 8 -0.37"
190702 - 190706 13.16" 6 -0.47"
190802 - 190806 14.83" 14 1.20"
190902 - 190906 13.64" 10 0.01"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/