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 (23.77")
1901-1954 Base Period
189507 - 189604 22.46" 13 -1.31"
189607 - 189704 25.94" 53 2.17"
189707 - 189804 22.00" 9 -1.77"
189807 - 189904 24.24" 35 0.47"
189907 - 190004 23.46" 24 -0.31"
190007 - 190104 24.14" 31 0.37"
190107 - 190204 22.19" 12 -1.58"
190207 - 190304 26.28" 56 2.51"
190307 - 190404 22.63" 17 -1.14"
190407 - 190504 23.06" 20 -0.71"
190507 - 190604 24.88" 46 1.11"
190607 - 190704 26.39" 57 2.62"
190707 - 190804 24.53" 40 0.76"
190807 - 190904 23.26" 21 -0.51"
190907 - 191004 22.15" 11 -1.62"
191007 - 191104 21.63" 7 -2.14"
191107 - 191204 26.80" 58 3.03"
191207 - 191304 24.11" 30 0.34"
191307 - 191404 23.97" 28 0.20"
191407 - 191504 23.67" 26 -0.10"
191507 - 191604 26.13" 54 2.36"
191607 - 191704 22.68" 19 -1.09"
191707 - 191804 19.91" 2 -3.86"
191807 - 191904 24.81" 44 1.04"
191907 - 192004 25.82" 52 2.05"
192007 - 192104 24.91" 47 1.14"
192107 - 192204 25.15" 49 1.38"
192207 - 192304 22.63" 17 -1.14"
192307 - 192404 24.00" 29 0.23"
192407 - 192504 20.75" 3 -3.02"
192507 - 192604 23.30" 22 -0.47"
192607 - 192704 27.47" 59 3.70"
192707 - 192804 24.25" 36 0.48"
192807 - 192904 24.57" 41 0.80"
192907 - 193004 22.02" 10 -1.75"
193007 - 193104 19.73" 1 -4.04"
193107 - 193204 25.24" 50 1.47"
193207 - 193304 24.23" 34 0.46"
193307 - 193404 21.04" 5 -2.73"
193407 - 193504 23.38" 23 -0.39"
193507 - 193604 22.60" 16 -1.17"
193607 - 193704 24.22" 33 0.45"
193707 - 193804 24.88" 46 1.11"
193807 - 193904 22.52" 14 -1.25"
193907 - 194004 21.38" 6 -2.39"
194007 - 194104 23.94" 27 0.17"
194107 - 194204 26.27" 55 2.50"
194207 - 194304 24.32" 38 0.55"
194307 - 194404 22.53" 15 -1.24"
194407 - 194504 24.46" 39 0.69"
194507 - 194604 24.96" 48 1.19"
194607 - 194704 24.27" 37 0.50"
194707 - 194804 23.65" 25 -0.12"
194807 - 194904 24.75" 43 0.98"
194907 - 195004 24.16" 32 0.39"
195007 - 195104 24.59" 42 0.82"
195107 - 195204 25.65" 51 1.88"
195207 - 195304 21.95" 8 -1.82"
195307 - 195404 20.83" 4 -2.94"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/