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 (25.11")
1901-1931 Base Period
189501 - 189510 22.73" 5 -2.38"
189601 - 189610 25.20" 18 0.09"
189701 - 189710 24.85" 16 -0.26"
189801 - 189810 25.59" 21 0.48"
189901 - 189910 24.36" 11 -0.75"
190001 - 190010 26.60" 30 1.49"
190101 - 190110 23.58" 8 -1.53"
190201 - 190210 24.71" 13 -0.40"
190301 - 190310 26.09" 27 0.98"
190401 - 190410 24.77" 14 -0.34"
190501 - 190510 28.11" 37 3.00"
190601 - 190610 27.47" 35 2.36"
190701 - 190710 26.00" 26 0.89"
190801 - 190810 26.40" 29 1.29"
190901 - 190910 25.64" 23 0.53"
191001 - 191010 21.46" 1 -3.65"
191101 - 191110 24.46" 12 -0.65"
191201 - 191210 26.86" 32 1.75"
191301 - 191310 25.22" 19 0.11"
191401 - 191410 24.80" 15 -0.31"
191501 - 191510 28.04" 36 2.93"
191601 - 191610 25.73" 24 0.62"
191701 - 191710 22.74" 6 -2.37"
191801 - 191810 23.80" 9 -1.31"
191901 - 191910 27.15" 34 2.04"
192001 - 192010 26.29" 28 1.18"
192101 - 192110 24.13" 10 -0.98"
192201 - 192210 25.14" 17 0.03"
192301 - 192310 26.97" 33 1.86"
192401 - 192410 22.53" 4 -2.58"
192501 - 192510 23.14" 7 -1.97"
192601 - 192610 25.40" 20 0.29"
192701 - 192710 26.63" 31 1.52"
192801 - 192810 25.61" 22 0.50"
192901 - 192910 25.98" 25 0.87"
193001 - 193010 22.02" 3 -3.09"
193101 - 193110 21.60" 2 -3.51"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/