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 (119.16")
1901-1915 Base Period
189507 - 189906 117.25" 7 -1.91"
189607 - 190006 118.13" 9 -1.03"
189707 - 190106 116.59" 5 -2.57"
189807 - 190206 116.37" 4 -2.79"
189907 - 190306 118.59" 10 -0.57"
190007 - 190406 117.98" 8 -1.18"
190107 - 190506 118.68" 11 -0.48"
190207 - 190606 121.68" 13 2.52"
190307 - 190706 122.47" 15 3.31"
190407 - 190806 125.82" 17 6.66"
190507 - 190906 125.25" 16 6.09"
190607 - 191006 121.39" 12 2.23"
190707 - 191106 114.23" 1 -4.93"
190807 - 191206 114.95" 3 -4.21"
190907 - 191306 114.75" 2 -4.41"
191007 - 191406 116.83" 6 -2.33"
191107 - 191506 121.77" 14 2.61"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 21, 2019 from https://www.ncdc.noaa.gov/cag/