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 (16.66")
1901-1929 Base Period
189511 - 189605 17.23" 20 0.57"
189611 - 189705 17.91" 28 1.25"
189711 - 189805 16.60" 16 -0.06"
189811 - 189905 16.21" 13 -0.45"
189911 - 190005 16.75" 17 0.09"
190011 - 190105 15.63" 9 -1.03"
190111 - 190205 15.81" 10 -0.85"
190211 - 190305 19.23" 34 2.57"
190311 - 190405 15.32" 5 -1.34"
190411 - 190505 17.19" 19 0.53"
190511 - 190605 17.24" 21 0.58"
190611 - 190705 18.16" 29 1.50"
190711 - 190805 18.57" 31 1.91"
190811 - 190905 16.55" 15 -0.11"
190911 - 191005 15.48" 7 -1.18"
191011 - 191105 14.55" 3 -2.11"
191111 - 191205 18.53" 30 1.87"
191211 - 191305 15.94" 11 -0.72"
191311 - 191405 16.26" 14 -0.40"
191411 - 191505 17.25" 22 0.59"
191511 - 191605 17.39" 24 0.73"
191611 - 191705 15.49" 8 -1.17"
191711 - 191805 14.00" 2 -2.66"
191811 - 191905 17.85" 27 1.19"
191911 - 192005 17.30" 23 0.64"
192011 - 192105 16.75" 18 0.09"
192111 - 192205 18.77" 33 2.11"
192211 - 192305 17.44" 25 0.78"
192311 - 192405 15.44" 6 -1.22"
192411 - 192505 13.64" 1 -3.02"
192511 - 192605 14.93" 4 -1.73"
192611 - 192705 18.66" 32 2.00"
192711 - 192805 16.20" 12 -0.46"
192811 - 192905 17.52" 26 0.86"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/