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 (12.27")
1901-1929 Base Period
189501 - 189505 11.59" 8 -0.68"
189601 - 189605 12.41" 19 0.14"
189701 - 189705 13.34" 30 1.07"
189801 - 189805 11.75" 12 -0.52"
189901 - 189905 12.23" 16 -0.04"
190001 - 190005 12.40" 18 0.13"
190101 - 190105 11.60" 9 -0.67"
190201 - 190205 11.76" 13 -0.51"
190301 - 190305 13.31" 29 1.04"
190401 - 190405 12.05" 15 -0.22"
190501 - 190505 14.01" 34 1.74"
190601 - 190605 12.75" 23 0.48"
190701 - 190705 12.79" 24 0.52"
190801 - 190805 13.63" 33 1.36"
190901 - 190905 13.15" 27 0.88"
191001 - 191005 9.93" 2 -2.34"
191101 - 191105 11.10" 5 -1.17"
191201 - 191205 13.47" 31 1.20"
191301 - 191305 12.32" 17 0.05"
191401 - 191405 11.64" 10 -0.63"
191501 - 191505 13.24" 28 0.97"
191601 - 191605 12.66" 20 0.39"
191701 - 191705 11.80" 14 -0.47"
191801 - 191805 11.39" 7 -0.88"
191901 - 191905 12.87" 25 0.60"
192001 - 192005 12.69" 22 0.42"
192101 - 192105 11.74" 11 -0.53"
192201 - 192205 14.12" 35 1.85"
192301 - 192305 12.69" 22 0.42"
192401 - 192405 10.73" 3 -1.54"
192501 - 192505 9.65" 1 -2.62"
192601 - 192605 11.11" 6 -1.16"
192701 - 192705 13.12" 26 0.85"
192801 - 192805 10.77" 4 -1.50"
192901 - 192905 13.63" 33 1.36"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/