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 (58.78")
1901-1937 Base Period
189506 - 189705 59.07" 22 0.29"
189606 - 189805 58.81" 20 0.03"
189706 - 189905 58.16" 16 -0.62"
189806 - 190005 58.93" 21 0.15"
189906 - 190105 58.71" 19 -0.07"
190006 - 190205 57.62" 12 -1.16"
190106 - 190305 59.97" 25 1.19"
190206 - 190405 60.28" 27 1.50"
190306 - 190505 58.01" 15 -0.77"
190406 - 190605 61.25" 32 2.47"
190506 - 190705 64.22" 40 5.44"
190606 - 190805 64.66" 41 5.88"
190706 - 190905 61.10" 30 2.32"
190806 - 191005 57.29" 11 -1.49"
190906 - 191105 54.05" 5 -4.73"
191006 - 191205 57.97" 14 -0.81"
191106 - 191305 61.22" 31 2.44"
191206 - 191405 58.49" 18 -0.29"
191306 - 191505 59.57" 23 0.79"
191406 - 191605 62.60" 38 3.82"
191506 - 191705 60.75" 29 1.97"
191606 - 191805 53.50" 2 -5.28"
191706 - 191905 55.20" 9 -3.58"
191806 - 192005 61.84" 35 3.06"
191906 - 192105 61.93" 36 3.15"
192006 - 192205 61.51" 34 2.73"
192106 - 192305 59.62" 24 0.84"
192206 - 192405 58.18" 17 -0.60"
192306 - 192505 55.16" 8 -3.62"
192406 - 192605 53.86" 3 -4.92"
192506 - 192705 61.37" 33 2.59"
192606 - 192805 62.66" 39 3.88"
192706 - 192905 62.07" 37 3.29"
192806 - 193005 60.18" 26 1.40"
192906 - 193105 52.17" 1 -6.61"
193006 - 193205 54.15" 6 -4.63"
193106 - 193305 60.48" 28 1.70"
193206 - 193405 54.98" 7 -3.80"
193306 - 193505 53.99" 4 -4.79"
193406 - 193605 57.73" 13 -1.05"
193506 - 193705 56.50" 10 -2.28"

Citing This Page

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