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 (21.20")
1901-1919 Base Period
189509 - 189605 19.89" 6 -1.31"
189609 - 189705 22.84" 19 1.64"
189709 - 189805 20.00" 8 -1.20"
189809 - 189905 21.04" 12 -0.16"
189909 - 190005 20.70" 11 -0.50"
190009 - 190105 21.31" 14 0.11"
190109 - 190205 19.90" 7 -1.30"
190209 - 190305 23.90" 24 2.70"
190309 - 190405 19.21" 3 -1.99"
190409 - 190505 21.18" 13 -0.02"
190509 - 190605 21.98" 17 0.78"
190609 - 190705 23.15" 21 1.95"
190709 - 190805 23.11" 20 1.91"
190809 - 190905 20.41" 9 -0.79"
190909 - 191005 19.30" 4 -1.90"
191009 - 191105 18.76" 2 -2.44"
191109 - 191205 23.77" 23 2.57"
191209 - 191305 20.58" 10 -0.62"
191309 - 191405 21.91" 15 0.71"
191409 - 191505 21.94" 16 0.74"
191509 - 191605 22.01" 18 0.81"
191609 - 191705 19.57" 5 -1.63"
191709 - 191805 17.55" 1 -3.65"
191809 - 191905 23.21" 22 2.01"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 18, 2019 from https://www.ncdc.noaa.gov/cag/