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 (24.76")
1901-1941 Base Period
189504 - 189601 23.23" 12 -1.53"
189604 - 189701 25.30" 27 0.54"
189704 - 189801 23.33" 13 -1.43"
189804 - 189901 25.68" 32 0.92"
189904 - 190001 22.74" 8 -2.02"
190004 - 190101 26.08" 37 1.32"
190104 - 190201 22.67" 7 -2.09"
190204 - 190301 25.99" 36 1.23"
190304 - 190401 22.86" 11 -1.90"
190404 - 190501 22.79" 10 -1.97"
190504 - 190601 27.66" 44 2.90"
190604 - 190701 28.08" 45 3.32"
190704 - 190801 25.74" 34 0.98"
190804 - 190901 25.73" 33 0.97"
190904 - 191001 25.51" 29 0.75"
191004 - 191101 22.07" 4 -2.69"
191104 - 191201 25.19" 26 0.43"
191204 - 191301 26.11" 38 1.35"
191304 - 191401 24.58" 20 -0.18"
191404 - 191501 25.13" 25 0.37"
191504 - 191601 29.53" 46 4.77"
191604 - 191701 23.92" 16 -0.84"
191704 - 191801 21.28" 3 -3.48"
191804 - 191901 24.71" 22 -0.05"
191904 - 192001 26.71" 41 1.95"
192004 - 192101 26.81" 42 2.05"
192104 - 192201 24.41" 18 -0.35"
192204 - 192301 24.40" 17 -0.36"
192304 - 192401 26.96" 43 2.20"
192404 - 192501 22.76" 9 -2.00"
192504 - 192601 23.69" 15 -1.07"
192604 - 192701 25.99" 36 1.23"
192704 - 192801 26.26" 39 1.50"
192804 - 192901 26.35" 40 1.59"
192904 - 193001 25.54" 31 0.78"
193004 - 193101 20.84" 2 -3.92"
193104 - 193201 25.06" 24 0.30"
193204 - 193301 24.90" 23 0.14"
193304 - 193401 22.66" 6 -2.10"
193404 - 193501 22.38" 5 -2.38"
193504 - 193601 25.52" 30 0.76"
193604 - 193701 23.33" 13 -1.43"
193704 - 193801 24.60" 21 -0.16"
193804 - 193901 24.41" 18 -0.35"
193904 - 194001 20.77" 1 -3.99"
194004 - 194101 25.31" 28 0.55"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/