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 (24.00")
1901-1929 Base Period
189507 - 189604 22.46" 7 -1.54"
189607 - 189704 25.94" 29 1.94"
189707 - 189804 22.00" 4 -2.00"
189807 - 189904 24.24" 20 0.24"
189907 - 190004 23.46" 14 -0.54"
190007 - 190104 24.14" 19 0.14"
190107 - 190204 22.19" 6 -1.81"
190207 - 190304 26.28" 31 2.28"
190307 - 190404 22.63" 8 -1.37"
190407 - 190504 23.06" 11 -0.94"
190507 - 190604 24.88" 25 0.88"
190607 - 190704 26.39" 32 2.39"
190707 - 190804 24.53" 22 0.53"
190807 - 190904 23.26" 12 -0.74"
190907 - 191004 22.15" 5 -1.85"
191007 - 191104 21.63" 3 -2.37"
191107 - 191204 26.80" 33 2.80"
191207 - 191304 24.11" 18 0.11"
191307 - 191404 23.97" 16 -0.03"
191407 - 191504 23.67" 15 -0.33"
191507 - 191604 26.13" 30 2.13"
191607 - 191704 22.68" 10 -1.32"
191707 - 191804 19.91" 1 -4.09"
191807 - 191904 24.81" 24 0.81"
191907 - 192004 25.82" 28 1.82"
192007 - 192104 24.91" 26 0.91"
192107 - 192204 25.15" 27 1.15"
192207 - 192304 22.63" 8 -1.37"
192307 - 192404 24.00" 17 0.00"
192407 - 192504 20.75" 2 -3.25"
192507 - 192604 23.30" 13 -0.70"
192607 - 192704 27.47" 34 3.47"
192707 - 192804 24.25" 21 0.25"
192807 - 192904 24.57" 23 0.57"

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/