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 (9.39")
1901-1929 Base Period
189501 - 189504 8.71" 6 -0.68"
189601 - 189604 9.45" 17 0.06"
189701 - 189704 11.22" 35 1.83"
189801 - 189804 8.52" 5 -0.87"
189901 - 189904 9.49" 19 0.10"
190001 - 190004 9.95" 27 0.56"
190101 - 190104 8.94" 10 -0.45"
190201 - 190204 8.76" 7 -0.63"
190301 - 190304 10.30" 32 0.91"
190401 - 190404 9.46" 18 0.07"
190501 - 190504 10.27" 31 0.88"
190601 - 190604 9.59" 22 0.20"
190701 - 190704 9.34" 15 -0.05"
190801 - 190804 9.50" 20 0.11"
190901 - 190904 10.11" 28 0.72"
191001 - 191004 7.34" 1 -2.05"
191101 - 191104 9.13" 11 -0.26"
191201 - 191204 10.58" 33 1.19"
191301 - 191304 9.81" 25 0.42"
191401 - 191404 9.16" 12 -0.23"
191501 - 191504 9.35" 16 -0.04"
191601 - 191604 9.78" 24 0.39"
191701 - 191704 9.16" 12 -0.23"
191801 - 191804 8.80" 8 -0.59"
191901 - 191904 9.67" 23 0.28"
192001 - 192004 9.90" 26 0.51"
192101 - 192104 9.19" 14 -0.20"
192201 - 192204 11.01" 34 1.62"
192301 - 192304 9.56" 21 0.17"
192401 - 192404 8.31" 3 -1.08"
192501 - 192504 7.73" 2 -1.66"
192601 - 192604 8.90" 9 -0.49"
192701 - 192704 10.13" 30 0.74"
192801 - 192804 8.43" 4 -0.96"
192901 - 192904 10.12" 29 0.73"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/