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 (18.38")
1901-1954 Base Period
189509 - 189604 16.93" 12 -1.45"
189609 - 189704 20.72" 56 2.34"
189709 - 189804 16.77" 9 -1.61"
189809 - 189904 18.30" 26 -0.08"
189909 - 190004 18.25" 25 -0.13"
190009 - 190104 18.65" 33 0.27"
190109 - 190204 16.90" 11 -1.48"
190209 - 190304 20.89" 58 2.51"
190309 - 190404 16.62" 7 -1.76"
190409 - 190504 17.44" 17 -0.94"
190509 - 190604 18.82" 37 0.44"
190609 - 190704 19.70" 49 1.32"
190709 - 190804 18.98" 38 0.60"
190809 - 190904 17.37" 16 -1.01"
190909 - 191004 16.71" 8 -1.67"
191009 - 191104 16.79" 10 -1.59"
191109 - 191204 20.88" 57 2.50"
191209 - 191304 18.07" 23 -0.31"
191309 - 191404 19.43" 45 1.05"
191409 - 191504 18.05" 22 -0.33"
191509 - 191604 19.13" 41 0.75"
191609 - 191704 16.93" 12 -1.45"
191709 - 191804 14.96" 1 -3.42"
191809 - 191904 20.01" 52 1.63"
191909 - 192004 20.30" 54 1.92"
192009 - 192104 18.81" 36 0.43"
192109 - 192204 19.69" 47 1.31"
192209 - 192304 17.51" 19 -0.87"
192309 - 192404 18.38" 28 0.00"
192409 - 192504 16.17" 5 -2.21"
192509 - 192604 18.59" 31 0.21"
192609 - 192704 21.39" 59 3.01"
192709 - 192804 18.69" 34 0.31"
192809 - 192904 18.35" 27 -0.03"
192909 - 193004 17.65" 20 -0.73"
193009 - 193104 15.98" 4 -2.40"
193109 - 193204 19.81" 51 1.43"
193209 - 193304 18.78" 35 0.40"
193309 - 193404 15.35" 2 -3.03"
193409 - 193504 19.05" 39 0.67"
193509 - 193604 17.49" 18 -0.89"
193609 - 193704 19.70" 49 1.32"
193709 - 193804 19.71" 50 1.33"
193809 - 193904 17.12" 15 -1.26"
193909 - 194004 16.31" 6 -2.07"
194009 - 194104 18.47" 29 0.09"
194109 - 194204 20.34" 55 1.96"
194209 - 194304 18.64" 32 0.26"
194309 - 194404 17.84" 21 -0.54"
194409 - 194504 19.19" 42 0.81"
194509 - 194604 19.31" 44 0.93"
194609 - 194704 19.12" 40 0.74"
194709 - 194804 19.27" 43 0.89"
194809 - 194904 19.45" 46 1.07"
194909 - 195004 18.59" 31 0.21"
195009 - 195104 18.18" 24 -0.20"
195109 - 195204 20.19" 53 1.81"
195209 - 195304 16.94" 14 -1.44"
195309 - 195404 15.89" 3 -2.49"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/