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 (59.74")
1901-1911 Base Period
189506 - 189705 59.07" 9 -0.67"
189606 - 189805 58.81" 7 -0.93"
189706 - 189905 58.16" 5 -1.58"
189806 - 190005 58.93" 8 -0.81"
189906 - 190105 58.71" 6 -1.03"
190006 - 190205 57.62" 3 -2.12"
190106 - 190305 59.97" 10 0.23"
190206 - 190405 60.28" 11 0.54"
190306 - 190505 58.01" 4 -1.73"
190406 - 190605 61.25" 13 1.51"
190506 - 190705 64.22" 14 4.48"
190606 - 190805 64.66" 15 4.92"
190706 - 190905 61.10" 12 1.36"
190806 - 191005 57.29" 2 -2.45"
190906 - 191105 54.05" 1 -5.69"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/