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 (88.43")
1901-1956 Base Period
189507 - 189806 87.30" 23 -1.13"
189607 - 189906 89.19" 32 0.76"
189707 - 190006 87.19" 21 -1.24"
189807 - 190106 88.29" 26 -0.14"
189907 - 190206 86.42" 18 -2.01"
190007 - 190306 89.65" 36 1.22"
190107 - 190406 88.58" 28 0.15"
190207 - 190506 90.60" 41 2.17"
190307 - 190606 89.51" 35 1.08"
190407 - 190706 94.14" 55 5.71"
190507 - 190806 95.72" 59 7.29"
190607 - 190906 94.17" 56 5.74"
190707 - 191006 88.43" 27 0.00"
190807 - 191106 82.55" 6 -5.88"
190907 - 191206 85.42" 16 -3.01"
191007 - 191306 87.53" 24 -0.90"
191107 - 191406 91.03" 45 2.60"
191207 - 191506 89.37" 34 0.94"
191307 - 191606 92.29" 48 3.86"
191407 - 191706 90.75" 42 2.32"
191507 - 191806 84.76" 12 -3.67"
191607 - 191906 83.49" 8 -4.94"
191707 - 192006 87.23" 22 -1.20"
191807 - 192106 92.84" 53 4.41"
191907 - 192206 92.82" 52 4.39"
192007 - 192306 90.38" 39 1.95"
192107 - 192406 89.21" 33 0.78"
192207 - 192506 83.83" 9 -4.60"
192307 - 192606 82.77" 7 -5.66"
192407 - 192706 87.16" 20 -1.27"
192507 - 192806 92.45" 50 4.02"
192607 - 192906 95.16" 58 6.73"
192707 - 193006 89.10" 31 0.67"
192807 - 193106 82.39" 3 -6.04"
192907 - 193206 82.40" 4 -6.03"
193007 - 193306 83.95" 10 -4.48"
193107 - 193406 85.23" 15 -3.20"
193207 - 193506 84.80" 13 -3.63"
193307 - 193606 82.49" 5 -5.94"
193407 - 193706 86.71" 19 -1.72"
193507 - 193806 87.66" 25 -0.77"
193607 - 193906 88.94" 30 0.51"
193707 - 194006 85.86" 17 -2.57"
193807 - 194106 85.03" 14 -3.40"
193907 - 194206 89.88" 37 1.45"
194007 - 194306 94.28" 57 5.85"
194107 - 194406 92.41" 49 3.98"
194207 - 194506 90.26" 38 1.83"
194307 - 194606 90.87" 44 2.44"
194407 - 194706 93.62" 54 5.19"
194507 - 194806 92.53" 51 4.10"
194607 - 194906 91.87" 47 3.44"
194707 - 195006 90.42" 40 1.99"
194807 - 195106 91.17" 46 2.74"
194907 - 195206 90.78" 43 2.35"
195007 - 195306 88.69" 29 0.26"
195107 - 195406 84.31" 11 -4.12"
195207 - 195506 79.91" 2 -8.52"
195307 - 195606 79.72" 1 -8.71"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/