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.


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Download: xml csv json
Dates Value Rank Departure From Mean (18.33")
1901-1920 Base Period
189509 - 189604 16.93" 7 -1.40"
189609 - 189704 20.72" 23 2.39"
189709 - 189804 16.77" 4 -1.56"
189809 - 189904 18.30" 14 -0.03"
189909 - 190004 18.25" 13 -0.08"
190009 - 190104 18.65" 15 0.32"
190109 - 190204 16.90" 6 -1.43"
190209 - 190304 20.89" 25 2.56"
190309 - 190404 16.62" 2 -1.71"
190409 - 190504 17.44" 10 -0.89"
190509 - 190604 18.82" 16 0.49"
190609 - 190704 19.70" 20 1.37"
190709 - 190804 18.98" 17 0.65"
190809 - 190904 17.37" 9 -0.96"
190909 - 191004 16.71" 3 -1.62"
191009 - 191104 16.79" 5 -1.54"
191109 - 191204 20.88" 24 2.55"
191209 - 191304 18.07" 12 -0.26"
191309 - 191404 19.43" 19 1.10"
191409 - 191504 18.05" 11 -0.28"
191509 - 191604 19.13" 18 0.80"
191609 - 191704 16.93" 7 -1.40"
191709 - 191804 14.96" 1 -3.37"
191809 - 191904 20.01" 21 1.68"
191909 - 192004 20.30" 22 1.97"

Citing This Page

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