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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Download: xml csv json
Dates Value Rank Departure From Mean (147.78")
1901-1934 Base Period
189506 - 190005 146.11" 12 -1.67"
189606 - 190105 147.57" 20 -0.21"
189706 - 190205 144.66" 6 -3.12"
189806 - 190305 148.73" 24 0.95"
189906 - 190405 146.78" 15 -1.00"
190006 - 190505 147.81" 21 0.03"
190106 - 190605 149.32" 26 1.54"
190206 - 190705 154.41" 34 6.63"
190306 - 190805 154.01" 33 6.23"
190406 - 190905 155.23" 35 7.45"
190506 - 191005 153.29" 32 5.51"
190606 - 191105 148.03" 22 0.25"
190706 - 191205 147.04" 17 -0.74"
190806 - 191305 144.59" 5 -3.19"
190906 - 191405 144.43" 4 -3.35"
191006 - 191505 146.87" 16 -0.91"
191106 - 191605 152.98" 31 5.20"
191206 - 191705 149.65" 27 1.87"
191306 - 191805 145.26" 10 -2.52"
191406 - 191905 146.36" 14 -1.42"
191506 - 192005 147.53" 19 -0.25"
191606 - 192105 145.69" 11 -2.09"
191706 - 192205 148.29" 23 0.51"
191806 - 192305 151.81" 30 4.03"
191906 - 192405 151.27" 29 3.49"
192006 - 192505 145.13" 9 -2.65"
192106 - 192605 143.20" 2 -4.58"
192206 - 192705 144.99" 7 -2.79"
192306 - 192805 146.24" 13 -1.54"
192406 - 192905 148.88" 25 1.10"
192506 - 193005 151.26" 28 3.48"
192606 - 193105 147.19" 18 -0.59"
192706 - 193205 144.04" 3 -3.74"
192806 - 193305 145.01" 8 -2.77"
192906 - 193405 136.95" 1 -10.83"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/