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 (25.25")
1901-1925 Base Period
189501 - 189510 22.73" 3 -2.52"
189601 - 189610 25.20" 16 -0.05"
189701 - 189710 24.85" 14 -0.40"
189801 - 189810 25.59" 18 0.34"
189901 - 189910 24.36" 9 -0.89"
190001 - 190010 26.60" 25 1.35"
190101 - 190110 23.58" 6 -1.67"
190201 - 190210 24.71" 11 -0.54"
190301 - 190310 26.09" 22 0.84"
190401 - 190410 24.77" 12 -0.48"
190501 - 190510 28.11" 31 2.86"
190601 - 190610 27.47" 29 2.22"
190701 - 190710 26.00" 21 0.75"
190801 - 190810 26.40" 24 1.15"
190901 - 190910 25.64" 19 0.39"
191001 - 191010 21.46" 1 -3.79"
191101 - 191110 24.46" 10 -0.79"
191201 - 191210 26.86" 26 1.61"
191301 - 191310 25.22" 17 -0.03"
191401 - 191410 24.80" 13 -0.45"
191501 - 191510 28.04" 30 2.79"
191601 - 191610 25.73" 20 0.48"
191701 - 191710 22.74" 4 -2.51"
191801 - 191810 23.80" 7 -1.45"
191901 - 191910 27.15" 28 1.90"
192001 - 192010 26.29" 23 1.04"
192101 - 192110 24.13" 8 -1.12"
192201 - 192210 25.14" 15 -0.11"
192301 - 192310 26.97" 27 1.72"
192401 - 192410 22.53" 2 -2.72"
192501 - 192510 23.14" 5 -2.11"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/