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 (10.10")
1901-1925 Base Period
189507 - 189510 8.19" 1 -1.91"
189607 - 189610 10.15" 17 0.05"
189707 - 189710 8.63" 4 -1.47"
189807 - 189810 10.77" 24 0.67"
189907 - 189910 9.16" 7 -0.94"
190007 - 190010 11.17" 28 1.07"
190107 - 190110 9.38" 9 -0.72"
190207 - 190210 10.06" 15 -0.04"
190307 - 190310 9.90" 14 -0.20"
190407 - 190410 9.61" 11 -0.49"
190507 - 190510 10.80" 25 0.70"
190607 - 190610 11.68" 31 1.58"
190707 - 190710 10.09" 16 -0.01"
190807 - 190810 9.75" 12 -0.35"
190907 - 190910 9.26" 8 -0.84"
191007 - 191010 9.05" 6 -1.05"
191107 - 191110 11.16" 27 1.06"
191207 - 191210 10.68" 22 0.58"
191307 - 191310 10.19" 19 0.09"
191407 - 191410 10.31" 20 0.21"
191507 - 191510 11.62" 30 1.52"
191607 - 191610 9.83" 13 -0.27"
191707 - 191710 8.50" 3 -1.60"
191807 - 191810 10.16" 18 0.06"
191907 - 191910 11.31" 29 1.21"
192007 - 192010 10.71" 23 0.61"
192107 - 192110 9.49" 10 -0.61"
192207 - 192210 8.32" 2 -1.78"
192307 - 192310 10.98" 26 0.88"
192407 - 192410 9.03" 5 -1.07"
192507 - 192510 10.58" 21 0.48"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/