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 (19.03")
1901-1927 Base Period
189507 - 189602 17.46" 8 -1.57"
189607 - 189702 19.90" 27 0.87"
189707 - 189802 17.56" 10 -1.47"
189807 - 189902 19.64" 22 0.61"
189907 - 190002 17.77" 11 -1.26"
190007 - 190102 19.32" 17 0.29"
190107 - 190202 17.44" 7 -1.59"
190207 - 190302 21.28" 29 2.25"
190307 - 190402 17.41" 6 -1.62"
190407 - 190502 17.32" 4 -1.71"
190507 - 190602 19.54" 20 0.51"
190607 - 190702 21.62" 30 2.59"
190707 - 190802 19.66" 23 0.63"
190807 - 190902 18.77" 13 -0.26"
190907 - 191002 19.07" 15 0.04"
191007 - 191102 17.07" 2 -1.96"
191107 - 191202 20.07" 28 1.04"
191207 - 191302 19.07" 15 0.04"
191307 - 191402 19.39" 18 0.36"
191407 - 191502 19.84" 26 0.81"
191507 - 191602 21.91" 32 2.88"
191607 - 191702 17.52" 9 -1.51"
191707 - 191802 15.24" 1 -3.79"
191807 - 191902 19.69" 24 0.66"
191907 - 192002 19.74" 25 0.71"
192007 - 192102 19.60" 21 0.57"
192107 - 192202 18.61" 12 -0.42"
192207 - 192302 17.37" 5 -1.66"
192307 - 192402 19.52" 19 0.49"
192407 - 192502 17.09" 3 -1.94"
192507 - 192602 18.81" 14 -0.22"
192607 - 192702 21.83" 31 2.80"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/