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 (15.93")
1901-1929 Base Period
189510 - 189604 15.35" 10 -0.58"
189610 - 189704 17.94" 30 2.01"
189710 - 189804 15.20" 9 -0.73"
189810 - 189904 15.97" 17 0.04"
189910 - 190004 16.71" 26 0.78"
190010 - 190104 15.72" 15 -0.21"
190110 - 190204 14.32" 3 -1.61"
190210 - 190304 18.15" 33 2.22"
190310 - 190404 14.50" 5 -1.43"
190410 - 190504 15.11" 8 -0.82"
190510 - 190604 16.25" 21 0.32"
190610 - 190704 16.79" 27 0.86"
190710 - 190804 16.47" 25 0.54"
190810 - 190904 15.54" 11 -0.39"
190910 - 191004 14.43" 4 -1.50"
191010 - 191104 14.62" 6 -1.31"
191110 - 191204 18.13" 32 2.20"
191210 - 191304 15.56" 13 -0.37"
191310 - 191404 16.30" 22 0.37"
191410 - 191504 15.87" 16 -0.06"
191510 - 191604 16.36" 23 0.43"
191610 - 191704 14.95" 7 -0.98"
191710 - 191804 12.79" 1 -3.14"
191810 - 191904 17.57" 29 1.64"
191910 - 192004 17.96" 31 2.03"
192010 - 192104 16.37" 24 0.44"
192110 - 192204 17.12" 28 1.19"
192210 - 192304 16.04" 18 0.11"
192310 - 192404 15.55" 12 -0.38"
192410 - 192504 13.25" 2 -2.68"
192510 - 192604 15.71" 14 -0.22"
192610 - 192704 18.16" 34 2.23"
192710 - 192804 16.21" 19 0.28"
192810 - 192904 16.24" 20 0.31"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/