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 (11.22")
1901-1941 Base Period
189509 - 189601 9.88" 8 -1.34"
189609 - 189701 11.89" 33 0.67"
189709 - 189801 10.68" 16 -0.54"
189809 - 189901 11.42" 23 0.20"
189909 - 190001 10.04" 12 -1.18"
190009 - 190101 11.70" 28 0.48"
190109 - 190201 9.59" 5 -1.63"
190209 - 190301 12.86" 42 1.64"
190309 - 190401 8.97" 3 -2.25"
190409 - 190501 9.35" 4 -1.87"
190509 - 190601 11.76" 30 0.54"
190609 - 190701 13.11" 44 1.89"
190709 - 190801 11.30" 21 0.08"
190809 - 190901 10.00" 11 -1.22"
190909 - 191001 11.52" 25 0.30"
191009 - 191101 10.10" 13 -1.12"
191109 - 191201 12.25" 38 1.03"
191209 - 191301 11.13" 20 -0.09"
191309 - 191401 12.77" 41 1.55"
191409 - 191501 11.45" 24 0.23"
191509 - 191601 13.14" 46 1.92"
191609 - 191701 9.96" 9 -1.26"
191709 - 191801 8.57" 2 -2.65"
191809 - 191901 12.25" 38 1.03"
191909 - 192001 12.61" 39 1.39"
192009 - 192101 11.73" 29 0.51"
192109 - 192201 10.71" 17 -0.51"
192209 - 192301 10.39" 14 -0.83"
192309 - 192401 12.07" 35 0.85"
192409 - 192501 10.73" 18 -0.49"
192509 - 192601 12.05" 34 0.83"
192609 - 192701 13.03" 43 1.81"
192709 - 192801 11.54" 26 0.32"
192809 - 192901 10.59" 15 -0.63"
192909 - 193001 12.10" 36 0.88"
193009 - 193101 9.76" 7 -1.46"
193109 - 193201 13.13" 45 1.91"
193209 - 193301 11.83" 31 0.61"
193309 - 193401 9.59" 5 -1.63"
193409 - 193501 11.88" 32 0.66"
193509 - 193601 10.77" 19 -0.45"
193609 - 193701 12.65" 40 1.43"
193709 - 193801 11.31" 22 0.09"
193809 - 193901 9.96" 9 -1.26"
193909 - 194001 8.02" 1 -3.20"
194009 - 194101 11.60" 27 0.38"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 12, 2019 from https://www.ncdc.noaa.gov/cag/