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 (88.23")
1901-1937 Base Period
189506 - 189805 87.18" 18 -1.05"
189606 - 189905 88.86" 22 0.63"
189706 - 190005 87.04" 17 -1.19"
189806 - 190105 88.76" 21 0.53"
189906 - 190205 86.50" 14 -1.73"
190006 - 190305 89.80" 27 1.57"
190106 - 190405 88.07" 20 -0.16"
190206 - 190505 90.19" 30 1.96"
190306 - 190605 89.35" 26 1.12"
190406 - 190705 94.13" 38 5.90"
190506 - 190805 96.00" 40 7.77"
190606 - 190905 93.98" 37 5.75"
190706 - 191005 89.07" 24 0.84"
190806 - 191105 83.37" 3 -4.86"
190906 - 191205 85.94" 12 -2.29"
191006 - 191305 87.30" 19 -0.93"
191106 - 191405 90.38" 31 2.15"
191206 - 191505 88.90" 23 0.67"
191306 - 191605 91.76" 34 3.53"
191406 - 191705 91.16" 33 2.93"
191506 - 191805 85.69" 11 -2.54"
191606 - 191905 83.76" 6 -4.47"
191706 - 192005 86.78" 15 -1.45"
191806 - 192105 92.19" 35 3.96"
191906 - 192205 93.09" 36 4.86"
192006 - 192305 89.97" 29 1.74"
192106 - 192405 89.34" 25 1.11"
192206 - 192505 83.62" 5 -4.61"
192306 - 192605 83.58" 4 -4.65"
192406 - 192705 86.81" 16 -1.42"
192506 - 192805 91.08" 32 2.85"
192606 - 192905 95.02" 39 6.79"
192706 - 193005 89.89" 28 1.66"
192806 - 193105 84.53" 7 -3.70"
192906 - 193205 81.97" 1 -6.26"
193006 - 193305 84.83" 10 -3.40"
193106 - 193405 84.78" 9 -3.45"
193206 - 193505 84.67" 8 -3.56"
193306 - 193605 82.03" 2 -6.20"
193406 - 193705 86.19" 13 -2.04"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/