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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Dates Value Rank Departure From Mean (24.06")
1901-1956 Base Period
189509 - 189606 22.53" 14 -1.53"
189609 - 189706 25.72" 49 1.66"
189709 - 189806 23.07" 18 -0.99"
189809 - 189906 24.01" 30 -0.05"
189909 - 190006 23.73" 25 -0.33"
190009 - 190106 23.91" 27 -0.15"
190109 - 190206 22.79" 17 -1.27"
190209 - 190306 26.78" 59 2.72"
190309 - 190406 22.32" 13 -1.74"
190409 - 190506 24.48" 33 0.42"
190509 - 190606 25.02" 37 0.96"
190609 - 190706 26.27" 57 2.21"
190709 - 190806 26.13" 54 2.07"
190809 - 190906 23.64" 24 -0.42"
190909 - 191006 21.78" 10 -2.28"
191009 - 191106 20.96" 4 -3.10"
191109 - 191206 26.48" 58 2.42"
191209 - 191306 23.29" 20 -0.77"
191309 - 191406 24.76" 35 0.70"
191409 - 191506 25.12" 39 1.06"
191509 - 191606 25.25" 41 1.19"
191609 - 191706 22.01" 12 -2.05"
191709 - 191806 19.80" 2 -4.26"
191809 - 191906 26.18" 56 2.12"
191909 - 192006 25.98" 52 1.92"
192009 - 192106 24.26" 31 0.20"
192109 - 192206 25.50" 47 1.44"
192209 - 192306 23.94" 28 -0.12"
192309 - 192406 23.57" 22 -0.49"
192409 - 192506 21.00" 5 -3.06"
192509 - 192606 23.29" 20 -0.77"
192609 - 192706 27.50" 61 3.44"
192709 - 192806 25.31" 45 1.25"
192809 - 192906 24.49" 34 0.43"
192909 - 193006 23.15" 19 -0.91"
193009 - 193106 20.41" 3 -3.65"
193109 - 193206 25.29" 43 1.23"
193209 - 193306 23.62" 23 -0.44"
193309 - 193406 19.75" 1 -4.31"
193409 - 193506 25.96" 51 1.90"
193509 - 193606 21.65" 9 -2.41"
193609 - 193706 25.14" 40 1.08"
193709 - 193806 26.07" 53 2.01"
193809 - 193906 22.64" 15 -1.42"
193909 - 194006 21.51" 7 -2.55"
194009 - 194106 24.94" 36 0.88"
194109 - 194206 26.96" 60 2.90"
194209 - 194306 25.30" 44 1.24"
194309 - 194406 23.85" 26 -0.21"
194409 - 194506 25.47" 46 1.41"
194509 - 194606 25.94" 50 1.88"
194609 - 194706 26.14" 55 2.08"
194709 - 194806 25.27" 42 1.21"
194809 - 194906 25.63" 48 1.57"
194909 - 195006 24.27" 32 0.21"
195009 - 195106 23.99" 29 -0.07"
195109 - 195206 25.08" 38 1.02"
195209 - 195306 22.74" 16 -1.32"
195309 - 195406 21.08" 6 -2.98"
195409 - 195506 21.61" 8 -2.45"
195509 - 195606 21.90" 11 -2.16"

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/