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 (21.43")
1901-1919 Base Period
189507 - 189603 19.87" 3 -1.56"
189607 - 189703 23.52" 21 2.09"
189707 - 189803 19.98" 4 -1.45"
189807 - 189903 22.46" 18 1.03"
189907 - 190003 20.05" 6 -1.38"
190007 - 190103 21.61" 14 0.18"
190107 - 190203 20.34" 9 -1.09"
190207 - 190303 24.29" 24 2.86"
190307 - 190403 20.51" 10 -0.92"
190407 - 190503 20.26" 8 -1.17"
190507 - 190603 22.80" 19 1.37"
190607 - 190703 24.07" 23 2.64"
190707 - 190803 21.84" 15 0.41"
190807 - 190903 20.98" 11 -0.45"
190907 - 191003 20.09" 7 -1.34"
191007 - 191103 18.78" 2 -2.65"
191107 - 191203 23.46" 20 2.03"
191207 - 191303 22.06" 16 0.63"
191307 - 191403 21.24" 12 -0.19"
191407 - 191503 21.35" 13 -0.08"
191507 - 191603 24.04" 22 2.61"
191607 - 191703 20.00" 5 -1.43"
191707 - 191803 17.09" 1 -4.34"
191807 - 191903 22.40" 17 0.97"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/