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 (147.62")
1901-1956 Base Period
189507 - 190006 146.19" 22 -1.43"
189607 - 190106 147.53" 30 -0.09"
189707 - 190206 144.67" 15 -2.95"
189807 - 190306 148.54" 33 0.92"
189907 - 190406 146.92" 26 -0.70"
190007 - 190506 148.08" 32 0.46"
190107 - 190606 149.76" 41 2.14"
190207 - 190706 154.64" 55 7.02"
190307 - 190806 154.15" 53 6.53"
190407 - 190906 155.35" 57 7.73"
190507 - 191006 152.47" 47 4.85"
190607 - 191106 147.19" 27 -0.43"
190707 - 191206 146.63" 24 -0.99"
190807 - 191306 144.28" 13 -3.34"
190907 - 191406 144.05" 12 -3.57"
191007 - 191506 147.57" 31 -0.05"
191107 - 191606 154.02" 52 6.40"
191207 - 191706 149.38" 38 1.76"
191307 - 191806 144.80" 16 -2.82"
191407 - 191906 146.48" 23 -1.14"
191507 - 192006 147.24" 29 -0.38"
191607 - 192106 145.35" 18 -2.27"
191707 - 192206 148.55" 34 0.93"
191807 - 192306 152.86" 48 5.24"
191907 - 192406 151.07" 43 3.45"
192007 - 192506 145.15" 17 -2.47"
192107 - 192606 142.79" 9 -4.83"
192207 - 192706 145.41" 19 -2.21"
192307 - 192806 147.22" 28 -0.40"
192407 - 192906 148.74" 35 1.12"
192507 - 193006 150.68" 42 3.06"
192607 - 193106 146.84" 25 -0.78"
192707 - 193206 143.98" 11 -3.64"
192807 - 193306 142.18" 6 -5.44"
192907 - 193406 136.91" 1 -10.71"
193007 - 193506 139.68" 3 -7.94"
193107 - 193606 142.28" 7 -5.34"
193207 - 193706 141.22" 5 -6.40"
193307 - 193806 143.39" 10 -4.23"
193407 - 193906 145.99" 21 -1.63"
193507 - 194006 142.28" 7 -5.34"
193607 - 194106 145.93" 20 -1.69"
193707 - 194206 149.16" 37 1.54"
193807 - 194306 148.90" 36 1.28"
193907 - 194406 149.40" 39 1.78"
194007 - 194506 153.56" 51 5.94"
194107 - 194606 154.74" 56 7.12"
194207 - 194706 153.14" 49 5.52"
194307 - 194806 151.81" 45 4.19"
194407 - 194906 154.20" 54 6.58"
194507 - 195006 153.30" 50 5.68"
194607 - 195106 152.11" 46 4.49"
194707 - 195206 151.36" 44 3.74"
194807 - 195306 149.46" 40 1.84"
194907 - 195406 144.55" 14 -3.07"
195007 - 195506 140.85" 4 -6.77"
195107 - 195606 138.01" 2 -9.61"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/