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 (29.45")
1901-1944 Base Period
189506 - 189605 28.37" 14 -1.08"
189606 - 189705 30.70" 36 1.25"
189706 - 189805 28.11" 13 -1.34"
189806 - 189905 30.05" 31 0.60"
189906 - 190005 28.88" 20 -0.57"
190006 - 190105 29.83" 29 0.38"
190106 - 190205 27.79" 7 -1.66"
190206 - 190305 32.18" 44 2.73"
190306 - 190405 28.10" 12 -1.35"
190406 - 190505 29.91" 30 0.46"
190506 - 190605 31.34" 40 1.89"
190606 - 190705 32.88" 47 3.43"
190706 - 190805 31.78" 42 2.33"
190806 - 190905 29.32" 22 -0.13"
190906 - 191005 27.97" 10 -1.48"
191006 - 191105 26.08" 5 -3.37"
191106 - 191205 31.89" 43 2.44"
191206 - 191305 29.33" 23 -0.12"
191306 - 191405 29.16" 21 -0.29"
191406 - 191505 30.41" 34 0.96"
191506 - 191605 32.19" 45 2.74"
191606 - 191705 28.56" 18 -0.89"
191706 - 191805 24.94" 3 -4.51"
191806 - 191905 30.26" 32 0.81"
191906 - 192005 31.58" 41 2.13"
192006 - 192105 30.35" 33 0.90"
192106 - 192205 31.16" 37 1.71"
192206 - 192305 28.46" 16 -0.99"
192306 - 192405 29.72" 27 0.27"
192406 - 192505 25.44" 4 -4.01"
192506 - 192605 28.42" 15 -1.03"
192606 - 192705 32.95" 48 3.50"
192706 - 192805 29.71" 26 0.26"
192806 - 192905 32.36" 46 2.91"
192906 - 193005 27.82" 8 -1.63"
193006 - 193105 24.35" 2 -5.10"
193106 - 193205 29.80" 28 0.35"
193206 - 193305 30.68" 35 1.23"
193306 - 193405 24.30" 1 -5.15"
193406 - 193505 29.69" 25 0.24"
193506 - 193605 28.04" 11 -1.41"
193606 - 193705 28.46" 16 -0.99"
193706 - 193805 31.23" 39 1.78"
193806 - 193905 27.84" 9 -1.61"
193906 - 194005 26.92" 6 -2.53"
194006 - 194105 29.59" 24 0.14"
194106 - 194205 33.23" 49 3.78"
194206 - 194305 31.17" 38 1.72"
194306 - 194405 28.80" 19 -0.65"

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/