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 (18.94")
1901-1932 Base Period
189507 - 189602 17.46" 9 -1.48"
189607 - 189702 19.90" 31 0.96"
189707 - 189802 17.56" 11 -1.38"
189807 - 189902 19.64" 26 0.70"
189907 - 190002 17.77" 12 -1.17"
190007 - 190102 19.32" 21 0.38"
190107 - 190202 17.44" 8 -1.50"
190207 - 190302 21.28" 34 2.34"
190307 - 190402 17.41" 7 -1.53"
190407 - 190502 17.32" 5 -1.62"
190507 - 190602 19.54" 24 0.60"
190607 - 190702 21.62" 35 2.68"
190707 - 190802 19.66" 27 0.72"
190807 - 190902 18.77" 15 -0.17"
190907 - 191002 19.07" 20 0.13"
191007 - 191102 17.07" 3 -1.87"
191107 - 191202 20.07" 32 1.13"
191207 - 191302 19.07" 20 0.13"
191307 - 191402 19.39" 22 0.45"
191407 - 191502 19.84" 30 0.90"
191507 - 191602 21.91" 37 2.97"
191607 - 191702 17.52" 10 -1.42"
191707 - 191802 15.24" 1 -3.70"
191807 - 191902 19.69" 28 0.75"
191907 - 192002 19.74" 29 0.80"
192007 - 192102 19.60" 25 0.66"
192107 - 192202 18.61" 14 -0.33"
192207 - 192302 17.37" 6 -1.57"
192307 - 192402 19.52" 23 0.58"
192407 - 192502 17.09" 4 -1.85"
192507 - 192602 18.81" 16 -0.13"
192607 - 192702 21.83" 36 2.89"
192707 - 192802 18.94" 18 0.00"
192807 - 192902 18.83" 17 -0.11"
192907 - 193002 18.21" 13 -0.73"
193007 - 193102 15.35" 2 -3.59"
193107 - 193202 20.79" 33 1.85"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/