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 (147.22")
1901-1937 Base Period
189506 - 190005 146.11" 15 -1.11"
189606 - 190105 147.57" 23 0.35"
189706 - 190205 144.66" 9 -2.56"
189806 - 190305 148.73" 27 1.51"
189906 - 190405 146.78" 18 -0.44"
190006 - 190505 147.81" 24 0.59"
190106 - 190605 149.32" 29 2.10"
190206 - 190705 154.41" 37 7.19"
190306 - 190805 154.01" 36 6.79"
190406 - 190905 155.23" 38 8.01"
190506 - 191005 153.29" 35 6.07"
190606 - 191105 148.03" 25 0.81"
190706 - 191205 147.04" 20 -0.18"
190806 - 191305 144.59" 8 -2.63"
190906 - 191405 144.43" 7 -2.79"
191006 - 191505 146.87" 19 -0.35"
191106 - 191605 152.98" 34 5.76"
191206 - 191705 149.65" 30 2.43"
191306 - 191805 145.26" 13 -1.96"
191406 - 191905 146.36" 17 -0.86"
191506 - 192005 147.53" 22 0.31"
191606 - 192105 145.69" 14 -1.53"
191706 - 192205 148.29" 26 1.07"
191806 - 192305 151.81" 33 4.59"
191906 - 192405 151.27" 32 4.05"
192006 - 192505 145.13" 12 -2.09"
192106 - 192605 143.20" 5 -4.02"
192206 - 192705 144.99" 10 -2.23"
192306 - 192805 146.24" 16 -0.98"
192406 - 192905 148.88" 28 1.66"
192506 - 193005 151.26" 31 4.04"
192606 - 193105 147.19" 21 -0.03"
192706 - 193205 144.04" 6 -3.18"
192806 - 193305 145.01" 11 -2.21"
192906 - 193405 136.95" 1 -10.27"
193006 - 193505 138.82" 2 -8.40"
193106 - 193605 142.51" 4 -4.71"
193206 - 193705 141.17" 3 -6.05"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/