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 (29.38")
1901-1937 Base Period
189506 - 189605 28.37" 12 -1.01"
189606 - 189705 30.70" 32 1.32"
189706 - 189805 28.11" 11 -1.27"
189806 - 189905 30.05" 27 0.67"
189906 - 190005 28.88" 17 -0.50"
190006 - 190105 29.83" 25 0.45"
190106 - 190205 27.79" 6 -1.59"
190206 - 190305 32.18" 38 2.80"
190306 - 190405 28.10" 10 -1.28"
190406 - 190505 29.91" 26 0.53"
190506 - 190605 31.34" 34 1.96"
190606 - 190705 32.88" 41 3.50"
190706 - 190805 31.78" 36 2.40"
190806 - 190905 29.32" 19 -0.06"
190906 - 191005 27.97" 8 -1.41"
191006 - 191105 26.08" 5 -3.30"
191106 - 191205 31.89" 37 2.51"
191206 - 191305 29.33" 20 -0.05"
191306 - 191405 29.16" 18 -0.22"
191406 - 191505 30.41" 30 1.03"
191506 - 191605 32.19" 39 2.81"
191606 - 191705 28.56" 16 -0.82"
191706 - 191805 24.94" 3 -4.44"
191806 - 191905 30.26" 28 0.88"
191906 - 192005 31.58" 35 2.20"
192006 - 192105 30.35" 29 0.97"
192106 - 192205 31.16" 33 1.78"
192206 - 192305 28.46" 14 -0.92"
192306 - 192405 29.72" 23 0.34"
192406 - 192505 25.44" 4 -3.94"
192506 - 192605 28.42" 13 -0.96"
192606 - 192705 32.95" 42 3.57"
192706 - 192805 29.71" 22 0.33"
192806 - 192905 32.36" 40 2.98"
192906 - 193005 27.82" 7 -1.56"
193006 - 193105 24.35" 2 -5.03"
193106 - 193205 29.80" 24 0.42"
193206 - 193305 30.68" 31 1.30"
193306 - 193405 24.30" 1 -5.08"
193406 - 193505 29.69" 21 0.31"
193506 - 193605 28.04" 9 -1.34"
193606 - 193705 28.46" 14 -0.92"

Citing This Page

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