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 (18.59")
1901-1929 Base Period
189508 - 189603 16.87" 5 -1.72"
189608 - 189703 20.30" 29 1.71"
189708 - 189803 17.05" 7 -1.54"
189808 - 189903 19.58" 27 0.99"
189908 - 190003 17.10" 9 -1.49"
190008 - 190103 18.54" 16 -0.05"
190108 - 190203 18.02" 13 -0.57"
190208 - 190303 21.20" 33 2.61"
190308 - 190403 17.54" 11 -1.05"
190408 - 190503 17.33" 10 -1.26"
190508 - 190603 19.28" 24 0.69"
190608 - 190703 20.77" 32 2.18"
190708 - 190803 18.84" 19 0.25"
190808 - 190903 17.97" 12 -0.62"
190908 - 191003 17.06" 8 -1.53"
191008 - 191103 16.19" 2 -2.40"
191108 - 191203 20.60" 31 2.01"
191208 - 191303 19.07" 22 0.48"
191308 - 191403 18.60" 18 0.01"
191408 - 191503 18.90" 20 0.31"
191508 - 191603 20.47" 30 1.88"
191608 - 191703 16.78" 4 -1.81"
191708 - 191803 14.58" 1 -4.01"
191808 - 191903 20.07" 28 1.48"
191908 - 192003 19.48" 26 0.89"
192008 - 192103 19.42" 25 0.83"
192108 - 192203 19.21" 23 0.62"
192208 - 192303 16.90" 6 -1.69"
192308 - 192403 19.04" 21 0.45"
192408 - 192503 16.28" 3 -2.31"
192508 - 192603 18.47" 14 -0.12"
192608 - 192703 21.56" 34 2.97"
192708 - 192803 18.49" 15 -0.10"
192808 - 192903 18.57" 17 -0.02"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/