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 (4.41")
1901-1932 Base Period
189501 - 189502 4.73" 30 0.32"
189601 - 189602 4.45" 21 0.04"
189701 - 189702 5.18" 33 0.77"
189801 - 189802 4.08" 10 -0.33"
189901 - 189902 4.89" 32 0.48"
190001 - 190002 4.26" 15 -0.15"
190101 - 190102 4.12" 11 -0.29"
190201 - 190202 4.01" 8 -0.40"
190301 - 190302 5.30" 34 0.89"
190401 - 190402 4.24" 13 -0.17"
190501 - 190502 4.53" 24 0.12"
190601 - 190602 4.25" 14 -0.16"
190701 - 190702 4.57" 27 0.16"
190801 - 190802 4.63" 29 0.22"
190901 - 190902 5.62" 38 1.21"
191001 - 191002 4.26" 15 -0.15"
191101 - 191102 4.57" 27 0.16"
191201 - 191202 3.85" 5 -0.56"
191301 - 191302 4.77" 31 0.36"
191401 - 191402 4.58" 28 0.17"
191501 - 191502 5.52" 36 1.11"
191601 - 191602 5.56" 37 1.15"
191701 - 191702 4.00" 7 -0.41"
191801 - 191802 4.13" 12 -0.28"
191901 - 191902 4.55" 25 0.14"
192001 - 192002 3.82" 3 -0.59"
192101 - 192102 3.88" 6 -0.53"
192201 - 192202 4.47" 22 0.06"
192301 - 192302 4.30" 17 -0.11"
192401 - 192402 3.83" 4 -0.58"
192501 - 192502 4.07" 9 -0.34"
192601 - 192602 4.41" 20 0.00"
192701 - 192702 4.49" 23 0.08"
192801 - 192802 3.12" 1 -1.29"
192901 - 192902 4.38" 19 -0.03"
193001 - 193002 4.32" 18 -0.09"
193101 - 193102 3.40" 2 -1.01"
193201 - 193202 5.48" 35 1.07"

Citing This Page

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