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 (43.53")
1901-1933 Base Period
189508 - 189701 42.17" 11 -1.36"
189608 - 189801 43.63" 17 0.10"
189708 - 189901 42.73" 13 -0.80"
189808 - 190001 42.32" 12 -1.21"
189908 - 190101 43.18" 14 -0.35"
190008 - 190201 41.21" 8 -2.32"
190108 - 190301 44.01" 22 0.48"
190208 - 190401 44.06" 23 0.53"
190308 - 190501 40.33" 6 -3.20"
190408 - 190601 44.99" 29 1.46"
190508 - 190701 47.36" 35 3.83"
190608 - 190801 46.51" 32 2.98"
190708 - 190901 44.57" 27 1.04"
190808 - 191001 43.48" 15 -0.05"
190908 - 191101 39.13" 3 -4.40"
191008 - 191201 41.38" 9 -2.15"
191108 - 191301 46.71" 33 3.18"
191208 - 191401 43.65" 18 0.12"
191308 - 191501 43.73" 19 0.20"
191408 - 191601 48.43" 37 4.90"
191508 - 191701 44.39" 25 0.86"
191608 - 191801 38.06" 1 -5.47"
191708 - 191901 39.29" 4 -4.24"
191808 - 192001 46.78" 34 3.25"
191908 - 192101 46.29" 31 2.76"
192008 - 192201 43.83" 20 0.30"
192108 - 192301 43.61" 16 0.08"
192208 - 192401 43.86" 21 0.33"
192308 - 192501 41.80" 10 -1.73"
192408 - 192601 39.97" 5 -3.56"
192508 - 192701 44.46" 26 0.93"
192608 - 192801 47.82" 36 4.29"
192708 - 192901 44.84" 28 1.31"
192808 - 193001 44.11" 24 0.58"
192908 - 193101 38.46" 2 -5.07"
193008 - 193201 40.93" 7 -2.60"
193108 - 193301 45.29" 30 1.76"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/