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 (18.35")
1901-1925 Base Period
189504 - 189510 16.01" 1 -2.34"
189604 - 189610 18.34" 19 -0.01"
189704 - 189710 16.05" 2 -2.30"
189804 - 189810 19.09" 22 0.74"
189904 - 189910 16.65" 6 -1.70"
190004 - 190010 20.06" 28 1.71"
190104 - 190110 17.17" 7 -1.18"
190204 - 190210 17.80" 14 -0.55"
190304 - 190310 17.78" 13 -0.57"
190404 - 190410 17.43" 9 -0.92"
190504 - 190510 20.64" 30 2.29"
190604 - 190610 19.96" 27 1.61"
190704 - 190710 18.98" 21 0.63"
190804 - 190810 19.59" 23 1.24"
190904 - 190910 17.81" 15 -0.54"
191004 - 191010 16.18" 3 -2.17"
191104 - 191110 18.18" 18 -0.17"
191204 - 191210 19.62" 24 1.27"
191304 - 191310 17.46" 10 -0.89"
191404 - 191410 18.37" 20 0.02"
191504 - 191510 21.01" 31 2.66"
191604 - 191610 18.04" 17 -0.31"
191704 - 191710 16.26" 4 -2.09"
191804 - 191810 17.82" 16 -0.53"
191904 - 191910 19.89" 26 1.54"
192004 - 192010 19.69" 25 1.34"
192104 - 192110 17.73" 12 -0.62"
192204 - 192210 17.21" 8 -1.14"
192304 - 192310 20.25" 29 1.90"
192404 - 192410 16.48" 5 -1.87"
192504 - 192510 17.51" 11 -0.84"

Citing This Page

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