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 (4.61")
1901-1931 Base Period
189509 - 189510 2.66" 1 -1.95"
189609 - 189610 4.93" 27 0.32"
189709 - 189710 3.40" 3 -1.21"
189809 - 189810 4.83" 26 0.22"
189909 - 189910 3.95" 8 -0.66"
190009 - 190010 5.68" 34 1.07"
190109 - 190110 4.09" 13 -0.52"
190209 - 190210 4.67" 22 0.06"
190309 - 190310 3.89" 7 -0.72"
190409 - 190410 3.99" 10 -0.62"
190509 - 190510 4.74" 24 0.13"
190609 - 190610 4.99" 28 0.38"
190709 - 190710 4.54" 17 -0.07"
190809 - 190810 3.86" 6 -0.75"
190909 - 190910 3.82" 5 -0.79"
191009 - 191010 4.21" 14 -0.40"
191109 - 191110 5.24" 29 0.63"
191209 - 191210 4.64" 21 0.03"
191309 - 191310 5.65" 33 1.04"
191409 - 191410 4.69" 23 0.08"
191509 - 191510 4.62" 19 0.01"
191609 - 191610 4.08" 12 -0.53"
191709 - 191710 3.55" 4 -1.06"
191809 - 191810 5.36" 32 0.75"
191909 - 191910 5.79" 36 1.18"
192009 - 192010 4.61" 18 0.00"
192109 - 192110 4.03" 11 -0.58"
192209 - 192210 3.20" 2 -1.41"
192309 - 192310 5.36" 32 0.75"
192409 - 192410 4.45" 16 -0.16"
192509 - 192510 5.87" 37 1.26"
192609 - 192610 5.72" 35 1.11"
192709 - 192710 4.83" 26 0.22"
192809 - 192810 4.34" 15 -0.27"
192909 - 192910 5.35" 30 0.74"
193009 - 193010 4.64" 21 0.03"
193109 - 193110 3.96" 9 -0.65"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/