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 (42.97")
1901-1932 Base Period
189509 - 189702 42.43" 12 -0.54"
189609 - 189802 43.28" 21 0.31"
189709 - 189902 42.71" 15 -0.26"
189809 - 190002 41.78" 11 -1.19"
189909 - 190102 43.05" 20 0.08"
190009 - 190202 41.35" 10 -1.62"
190109 - 190302 44.07" 24 1.10"
190209 - 190402 44.19" 26 1.22"
190309 - 190502 39.64" 5 -3.33"
190409 - 190602 44.02" 23 1.05"
190509 - 190702 46.64" 35 3.67"
190609 - 190802 45.93" 33 2.96"
190709 - 190902 44.90" 28 1.93"
190809 - 191002 42.71" 15 -0.26"
190909 - 191102 38.85" 3 -4.12"
191009 - 191202 41.03" 8 -1.94"
191109 - 191302 45.55" 30 2.58"
191209 - 191402 42.68" 13 -0.29"
191309 - 191502 44.60" 27 1.63"
191409 - 191602 47.03" 36 4.06"
191509 - 191702 42.77" 17 -0.20"
191609 - 191802 37.25" 1 -5.72"
191709 - 191902 39.49" 4 -3.48"
191809 - 192002 45.92" 32 2.95"
191909 - 192102 45.58" 31 2.61"
192009 - 192202 42.87" 18 -0.10"
192109 - 192302 42.87" 19 -0.10"
192209 - 192402 43.46" 22 0.49"
192309 - 192502 40.66" 7 -2.31"
192409 - 192602 39.81" 6 -3.16"
192509 - 192702 45.12" 29 2.15"
192609 - 192802 46.44" 34 3.47"
192709 - 192902 44.14" 25 1.17"
192809 - 193002 42.70" 14 -0.27"
192909 - 193102 38.50" 2 -4.47"
193009 - 193202 41.20" 9 -1.77"

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/