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 (147.00")
1901-1944 Base Period
189506 - 190005 146.11" 19 -0.89"
189606 - 190105 147.57" 27 0.57"
189706 - 190205 144.66" 12 -2.34"
189806 - 190305 148.73" 31 1.73"
189906 - 190405 146.78" 22 -0.22"
190006 - 190505 147.81" 28 0.81"
190106 - 190605 149.32" 35 2.32"
190206 - 190705 154.41" 44 7.41"
190306 - 190805 154.01" 43 7.01"
190406 - 190905 155.23" 45 8.23"
190506 - 191005 153.29" 42 6.29"
190606 - 191105 148.03" 29 1.03"
190706 - 191205 147.04" 24 0.04"
190806 - 191305 144.59" 11 -2.41"
190906 - 191405 144.43" 10 -2.57"
191006 - 191505 146.87" 23 -0.13"
191106 - 191605 152.98" 41 5.98"
191206 - 191705 149.65" 36 2.65"
191306 - 191805 145.26" 16 -1.74"
191406 - 191905 146.36" 21 -0.64"
191506 - 192005 147.53" 26 0.53"
191606 - 192105 145.69" 18 -1.31"
191706 - 192205 148.29" 30 1.29"
191806 - 192305 151.81" 40 4.81"
191906 - 192405 151.27" 39 4.27"
192006 - 192505 145.13" 15 -1.87"
192106 - 192605 143.20" 7 -3.80"
192206 - 192705 144.99" 13 -2.01"
192306 - 192805 146.24" 20 -0.76"
192406 - 192905 148.88" 34 1.88"
192506 - 193005 151.26" 38 4.26"
192606 - 193105 147.19" 25 0.19"
192706 - 193205 144.04" 8 -2.96"
192806 - 193305 145.01" 14 -1.99"
192906 - 193405 136.95" 1 -10.05"
193006 - 193505 138.82" 2 -8.18"
193106 - 193605 142.51" 6 -4.49"
193206 - 193705 141.17" 3 -5.83"
193306 - 193805 141.72" 4 -5.28"
193406 - 193905 145.26" 16 -1.74"
193506 - 194005 142.49" 5 -4.51"
193606 - 194105 144.04" 8 -2.96"
193706 - 194205 148.81" 33 1.81"
193806 - 194305 148.75" 32 1.75"
193906 - 194405 149.71" 37 2.71"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 23, 2019 from https://www.ncdc.noaa.gov/cag/