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 (15.17")
1901-1948 Base Period
189501 - 189506 14.54" 15 -0.63"
189601 - 189606 15.05" 20 -0.12"
189701 - 189706 16.22" 43 1.05"
189801 - 189806 14.82" 18 -0.35"
189901 - 189906 15.20" 25 0.03"
190001 - 190006 15.43" 29 0.26"
190101 - 190106 14.20" 12 -0.97"
190201 - 190206 14.65" 17 -0.52"
190301 - 190306 16.19" 42 1.02"
190401 - 190406 15.16" 23 -0.01"
190501 - 190506 17.31" 54 2.14"
190601 - 190606 15.79" 34 0.62"
190701 - 190706 15.91" 37 0.74"
190801 - 190806 16.65" 49 1.48"
190901 - 190906 16.38" 46 1.21"
191001 - 191006 12.41" 3 -2.76"
191101 - 191106 13.30" 5 -1.87"
191201 - 191206 16.18" 41 1.01"
191301 - 191306 15.03" 19 -0.14"
191401 - 191406 14.49" 14 -0.68"
191501 - 191506 16.42" 47 1.25"
191601 - 191606 15.90" 36 0.73"
191701 - 191706 14.24" 13 -0.93"
191801 - 191806 13.64" 9 -1.53"
191901 - 191906 15.84" 35 0.67"
192001 - 192006 15.58" 32 0.41"
192101 - 192106 14.64" 16 -0.53"
192201 - 192206 16.82" 50 1.65"
192301 - 192306 15.99" 38 0.82"
192401 - 192406 13.50" 6 -1.67"
192501 - 192506 12.56" 4 -2.61"
192601 - 192606 13.60" 7 -1.57"
192701 - 192706 16.24" 44 1.07"
192801 - 192806 15.05" 20 -0.12"
192901 - 192906 16.26" 45 1.09"
193001 - 193006 13.63" 8 -1.54"
193101 - 193106 12.21" 2 -2.96"
193201 - 193206 15.41" 26 0.24"
193301 - 193306 14.04" 11 -1.13"
193401 - 193406 11.98" 1 -3.19"
193501 - 193506 16.48" 48 1.31"
193601 - 193606 13.76" 10 -1.41"
193701 - 193706 16.14" 40 0.97"
193801 - 193806 16.87" 51 1.70"
193901 - 193906 15.17" 24 0.00"
194001 - 194006 15.42" 27 0.25"
194101 - 194106 15.42" 28 0.25"
194201 - 194206 15.50" 30 0.33"
194301 - 194306 15.15" 22 -0.02"
194401 - 194406 16.88" 52 1.71"
194501 - 194506 17.00" 53 1.83"
194601 - 194606 15.56" 31 0.39"
194701 - 194706 15.76" 33 0.59"
194801 - 194806 16.06" 39 0.89"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/