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 (24.29")
1901-1919 Base Period
189506 - 189603 22.82" 3 -1.47"
189606 - 189703 26.16" 21 1.87"
189706 - 189803 22.86" 4 -1.43"
189806 - 189903 25.53" 18 1.24"
189906 - 190003 23.02" 6 -1.27"
190006 - 190103 24.64" 14 0.35"
190106 - 190203 22.94" 5 -1.35"
190206 - 190303 27.18" 23 2.89"
190306 - 190403 23.39" 10 -0.90"
190406 - 190503 23.37" 9 -0.92"
190506 - 190603 26.10" 20 1.81"
190606 - 190703 27.11" 22 2.82"
190706 - 190803 24.96" 17 0.67"
190806 - 190903 24.00" 12 -0.29"
190906 - 191003 23.32" 8 -0.97"
191006 - 191103 21.26" 2 -3.03"
191106 - 191203 25.66" 19 1.37"
191206 - 191303 24.77" 16 0.48"
191306 - 191403 23.95" 11 -0.34"
191406 - 191503 24.20" 13 -0.09"
191506 - 191603 27.22" 24 2.93"
191606 - 191703 23.24" 7 -1.05"
191706 - 191803 19.53" 1 -4.76"
191806 - 191903 24.65" 15 0.36"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 13, 2019 from https://www.ncdc.noaa.gov/cag/