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 (18.81")
1901-1929 Base Period
189510 - 189605 18.31" 11 -0.50"
189610 - 189705 20.06" 26 1.25"
189710 - 189805 18.43" 13 -0.38"
189810 - 189905 18.71" 16 -0.10"
189910 - 190005 19.16" 20 0.35"
190010 - 190105 18.38" 12 -0.43"
190110 - 190205 17.32" 6 -1.49"
190210 - 190305 21.16" 34 2.35"
190310 - 190405 17.09" 5 -1.72"
190410 - 190505 18.85" 18 0.04"
190510 - 190605 19.41" 23 0.60"
190610 - 190705 20.24" 28 1.43"
190710 - 190805 20.60" 29 1.79"
190810 - 190905 18.58" 15 -0.23"
190910 - 191005 17.02" 4 -1.79"
191010 - 191105 16.59" 3 -2.22"
191110 - 191205 21.02" 32 2.21"
191210 - 191305 18.07" 10 -0.74"
191310 - 191405 18.78" 17 -0.03"
191410 - 191505 19.76" 25 0.95"
191510 - 191605 19.24" 22 0.43"
191610 - 191705 17.59" 7 -1.22"
191710 - 191805 15.38" 2 -3.43"
191810 - 191905 20.77" 31 1.96"
191910 - 192005 20.75" 30 1.94"
192010 - 192105 18.92" 19 0.11"
192110 - 192205 20.23" 27 1.42"
192210 - 192305 19.17" 21 0.36"
192310 - 192405 17.97" 9 -0.84"
192410 - 192505 15.17" 1 -3.64"
192510 - 192605 17.92" 8 -0.89"
192610 - 192705 21.15" 33 2.34"
192710 - 192805 18.55" 14 -0.26"
192810 - 192905 19.75" 24 0.94"

Citing This Page

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