Climate at a Glance

National Time Series

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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 (21.30")
1901-1929 Base Period
189509 - 189605 19.89" 7 -1.41"
189609 - 189705 22.84" 27 1.54"
189709 - 189805 20.00" 9 -1.30"
189809 - 189905 21.04" 17 -0.26"
189909 - 190005 20.70" 13 -0.60"
190009 - 190105 21.31" 19 0.01"
190109 - 190205 19.90" 8 -1.40"
190209 - 190305 23.90" 33 2.60"
190309 - 190405 19.21" 4 -2.09"
190409 - 190505 21.18" 18 -0.12"
190509 - 190605 21.98" 24 0.68"
190609 - 190705 23.15" 30 1.85"
190709 - 190805 23.11" 29 1.81"
190809 - 190905 20.41" 10 -0.89"
190909 - 191005 19.30" 5 -2.00"
191009 - 191105 18.76" 3 -2.54"
191109 - 191205 23.77" 32 2.47"
191209 - 191305 20.58" 11 -0.72"
191309 - 191405 21.91" 22 0.61"
191409 - 191505 21.94" 23 0.64"
191509 - 191605 22.01" 25 0.71"
191609 - 191705 19.57" 6 -1.73"
191709 - 191805 17.55" 1 -3.75"
191809 - 191905 23.21" 31 1.91"
191909 - 192005 23.09" 28 1.79"
192009 - 192105 21.36" 20 0.06"
192109 - 192205 22.80" 26 1.50"
192209 - 192305 20.64" 12 -0.66"
192309 - 192405 20.80" 14 -0.50"
192409 - 192505 18.09" 2 -3.21"
192509 - 192605 20.80" 14 -0.50"
192609 - 192705 24.38" 34 3.08"
192709 - 192805 21.03" 16 -0.27"
192809 - 192905 21.86" 21 0.56"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/