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 (10.77")
1901-1948 Base Period
189503 - 189506 9.81" 12 -0.96"
189603 - 189606 10.60" 23 -0.17"
189703 - 189706 11.04" 32 0.27"
189803 - 189806 10.74" 25 -0.03"
189903 - 189906 10.31" 20 -0.46"
190003 - 190006 11.17" 33 0.40"
190103 - 190106 10.08" 16 -0.69"
190203 - 190206 10.64" 24 -0.13"
190303 - 190306 10.89" 28 0.12"
190403 - 190406 10.92" 30 0.15"
190503 - 190506 12.78" 54 2.01"
190603 - 190606 11.54" 37 0.77"
190703 - 190706 11.34" 35 0.57"
190803 - 190806 12.02" 46 1.25"
190903 - 190906 10.76" 26 -0.01"
191003 - 191006 8.15" 1 -2.62"
191103 - 191106 8.73" 5 -2.04"
191203 - 191206 12.33" 48 1.56"
191303 - 191306 10.26" 18 -0.51"
191403 - 191406 9.91" 14 -0.86"
191503 - 191506 10.90" 29 0.13"
191603 - 191606 10.34" 21 -0.43"
191703 - 191706 10.24" 17 -0.53"
191803 - 191806 9.51" 9 -1.26"
191903 - 191906 11.29" 34 0.52"
192003 - 192006 11.76" 42 0.99"
192103 - 192106 10.76" 26 -0.01"
192203 - 192206 12.35" 51 1.58"
192303 - 192306 11.69" 40 0.92"
192403 - 192406 9.67" 10 -1.10"
192503 - 192506 8.49" 3 -2.28"
192603 - 192606 9.19" 7 -1.58"
192703 - 192706 11.75" 41 0.98"
192803 - 192806 11.93" 45 1.16"
192903 - 192906 11.88" 43 1.11"
193003 - 193006 9.31" 8 -1.46"
193103 - 193106 8.81" 6 -1.96"
193203 - 193206 9.93" 15 -0.84"
193303 - 193306 9.85" 13 -0.92"
193403 - 193406 8.51" 4 -2.26"
193503 - 193506 12.38" 52 1.61"
193603 - 193606 8.26" 2 -2.51"
193703 - 193706 10.27" 19 -0.50"
193803 - 193806 12.35" 51 1.58"
193903 - 193906 9.75" 11 -1.02"
194003 - 194006 10.51" 22 -0.26"
194103 - 194106 11.57" 38 0.80"
194203 - 194206 11.92" 44 1.15"
194303 - 194306 11.67" 39 0.90"
194403 - 194406 12.34" 49 1.57"
194503 - 194506 12.45" 53 1.68"
194603 - 194606 10.96" 31 0.19"
194703 - 194706 12.30" 47 1.53"
194803 - 194806 11.54" 37 0.77"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/