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 (19.56")
1901-1956 Base Period
189511 - 189606 19.87" 30 0.31"
189611 - 189706 20.79" 47 1.23"
189711 - 189806 19.67" 27 0.11"
189811 - 189906 19.18" 23 -0.38"
189911 - 190006 19.78" 28 0.22"
190011 - 190106 18.23" 15 -1.33"
190111 - 190206 18.70" 19 -0.86"
190211 - 190306 22.11" 60 2.55"
190311 - 190406 18.43" 17 -1.13"
190411 - 190506 20.49" 40 0.93"
190511 - 190606 20.28" 37 0.72"
190611 - 190706 21.28" 52 1.72"
190711 - 190806 21.59" 57 2.03"
190811 - 190906 19.78" 28 0.22"
190911 - 191006 17.96" 12 -1.60"
191011 - 191106 16.75" 5 -2.81"
191111 - 191206 21.24" 51 1.68"
191211 - 191306 18.65" 18 -0.91"
191311 - 191406 19.11" 22 -0.45"
191411 - 191506 20.43" 38 0.87"
191511 - 191606 20.63" 43 1.07"
191611 - 191706 17.93" 11 -1.63"
191711 - 191806 16.25" 3 -3.31"
191811 - 191906 20.82" 48 1.26"
191911 - 192006 20.19" 35 0.63"
192011 - 192106 19.65" 26 0.09"
192111 - 192206 21.47" 56 1.91"
192211 - 192306 20.74" 45 1.18"
192311 - 192406 18.21" 14 -1.35"
192411 - 192506 16.55" 4 -3.01"
192511 - 192606 17.42" 7 -2.14"
192611 - 192706 21.78" 59 2.22"
192711 - 192806 20.48" 39 0.92"
192811 - 192906 20.15" 34 0.59"
192911 - 193006 17.80" 10 -1.76"
193011 - 193106 15.77" 2 -3.79"
193111 - 193206 21.33" 53 1.77"
193211 - 193306 18.98" 21 -0.58"
193311 - 193406 15.69" 1 -3.87"
193411 - 193506 21.40" 54 1.84"
193511 - 193606 17.57" 8 -1.99"
193611 - 193706 20.07" 33 0.51"
193711 - 193806 21.46" 55 1.90"
193811 - 193906 18.89" 20 -0.67"
193911 - 194006 18.29" 16 -1.27"
194011 - 194106 21.17" 50 1.61"
194111 - 194206 20.03" 31 0.47"
194211 - 194306 20.50" 42 0.94"
194311 - 194406 20.06" 32 0.50"
194411 - 194506 21.74" 58 2.18"
194511 - 194606 20.50" 42 0.94"
194611 - 194706 20.78" 46 1.22"
194711 - 194806 20.83" 49 1.27"
194811 - 194906 22.28" 61 2.72"
194911 - 195006 19.25" 24 -0.31"
195011 - 195106 19.40" 25 -0.16"
195111 - 195206 20.21" 36 0.65"
195211 - 195306 20.67" 44 1.11"
195311 - 195406 18.07" 13 -1.49"
195411 - 195506 17.31" 6 -2.25"
195511 - 195606 17.75" 9 -1.81"

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/