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 (19.59")
1901-1948 Base Period
189511 - 189606 19.87" 25 0.28"
189611 - 189706 20.79" 40 1.20"
189711 - 189806 19.67" 22 0.08"
189811 - 189906 19.18" 20 -0.41"
189911 - 190006 19.78" 23 0.19"
190011 - 190106 18.23" 12 -1.36"
190111 - 190206 18.70" 16 -0.89"
190211 - 190306 22.11" 53 2.52"
190311 - 190406 18.43" 14 -1.16"
190411 - 190506 20.49" 34 0.90"
190511 - 190606 20.28" 31 0.69"
190611 - 190706 21.28" 45 1.69"
190711 - 190806 21.59" 50 2.00"
190811 - 190906 19.78" 23 0.19"
190911 - 191006 17.96" 10 -1.63"
191011 - 191106 16.75" 5 -2.84"
191111 - 191206 21.24" 44 1.65"
191211 - 191306 18.65" 15 -0.94"
191311 - 191406 19.11" 19 -0.48"
191411 - 191506 20.43" 32 0.84"
191511 - 191606 20.63" 37 1.04"
191611 - 191706 17.93" 9 -1.66"
191711 - 191806 16.25" 3 -3.34"
191811 - 191906 20.82" 41 1.23"
191911 - 192006 20.19" 30 0.60"
192011 - 192106 19.65" 21 0.06"
192111 - 192206 21.47" 49 1.88"
192211 - 192306 20.74" 38 1.15"
192311 - 192406 18.21" 11 -1.38"
192411 - 192506 16.55" 4 -3.04"
192511 - 192606 17.42" 6 -2.17"
192611 - 192706 21.78" 52 2.19"
192711 - 192806 20.48" 33 0.89"
192811 - 192906 20.15" 29 0.56"
192911 - 193006 17.80" 8 -1.79"
193011 - 193106 15.77" 2 -3.82"
193111 - 193206 21.33" 46 1.74"
193211 - 193306 18.98" 18 -0.61"
193311 - 193406 15.69" 1 -3.90"
193411 - 193506 21.40" 47 1.81"
193511 - 193606 17.57" 7 -2.02"
193611 - 193706 20.07" 28 0.48"
193711 - 193806 21.46" 48 1.87"
193811 - 193906 18.89" 17 -0.70"
193911 - 194006 18.29" 13 -1.30"
194011 - 194106 21.17" 43 1.58"
194111 - 194206 20.03" 26 0.44"
194211 - 194306 20.50" 36 0.91"
194311 - 194406 20.06" 27 0.47"
194411 - 194506 21.74" 51 2.15"
194511 - 194606 20.50" 36 0.91"
194611 - 194706 20.78" 39 1.19"
194711 - 194806 20.83" 42 1.24"

Citing This Page

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