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 (21.47")
1901-1929 Base Period
189507 - 189603 19.87" 5 -1.60"
189607 - 189703 23.52" 30 2.05"
189707 - 189803 19.98" 6 -1.49"
189807 - 189903 22.46" 26 0.99"
189907 - 190003 20.05" 8 -1.42"
190007 - 190103 21.61" 18 0.14"
190107 - 190203 20.34" 11 -1.13"
190207 - 190303 24.29" 33 2.82"
190307 - 190403 20.51" 12 -0.96"
190407 - 190503 20.26" 10 -1.21"
190507 - 190603 22.80" 28 1.33"
190607 - 190703 24.07" 32 2.60"
190707 - 190803 21.84" 21 0.37"
190807 - 190903 20.98" 13 -0.49"
190907 - 191003 20.09" 9 -1.38"
191007 - 191103 18.78" 3 -2.69"
191107 - 191203 23.46" 29 1.99"
191207 - 191303 22.06" 22 0.59"
191307 - 191403 21.24" 15 -0.23"
191407 - 191503 21.35" 17 -0.12"
191507 - 191603 24.04" 31 2.57"
191607 - 191703 20.00" 7 -1.47"
191707 - 191803 17.09" 1 -4.38"
191807 - 191903 22.40" 25 0.93"
191907 - 192003 22.52" 27 1.05"
192007 - 192103 22.12" 24 0.65"
192107 - 192203 22.07" 23 0.60"
192207 - 192303 19.79" 4 -1.68"
192307 - 192403 21.74" 20 0.27"
192407 - 192503 18.65" 2 -2.82"
192507 - 192603 21.12" 14 -0.35"
192607 - 192703 24.42" 34 2.95"
192707 - 192803 21.33" 16 -0.14"
192807 - 192903 21.64" 19 0.17"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/