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 (22.09")
1901-1909 Base Period
189510 - 189606 20.95" 3 -1.14"
189610 - 189706 22.94" 11 0.85"
189710 - 189806 21.50" 5 -0.59"
189810 - 189906 21.68" 6 -0.41"
189910 - 190006 22.19" 9 0.10"
190010 - 190106 20.98" 4 -1.11"
190110 - 190206 20.21" 2 -1.88"
190210 - 190306 24.04" 14 1.95"
190310 - 190406 20.20" 1 -1.89"
190410 - 190506 22.15" 8 0.06"
190510 - 190606 22.45" 10 0.36"
190610 - 190706 23.36" 12 1.27"
190710 - 190806 23.62" 13 1.53"
190810 - 190906 21.81" 7 -0.28"

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/