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 (11.25")
1901-1929 Base Period
189511 - 189603 11.68" 23 0.43"
189611 - 189703 13.37" 33 2.12"
189711 - 189803 11.35" 19 0.10"
189811 - 189903 11.69" 24 0.44"
189911 - 190003 10.89" 11 -0.36"
190011 - 190103 10.44" 5 -0.81"
190111 - 190203 10.96" 13 -0.29"
190211 - 190303 14.23" 34 2.98"
190311 - 190403 10.61" 7 -0.64"
190411 - 190503 10.65" 8 -0.60"
190511 - 190603 12.00" 26 0.75"
190611 - 190703 12.39" 29 1.14"
190711 - 190803 11.75" 25 0.50"
190811 - 190903 11.23" 18 -0.02"
190911 - 191003 10.83" 10 -0.42"
191011 - 191103 9.73" 3 -1.52"
191111 - 191203 12.30" 28 1.05"
191211 - 191303 11.38" 20 0.13"
191311 - 191403 11.05" 15 -0.20"
191411 - 191503 11.04" 14 -0.21"
191511 - 191603 12.42" 30 1.17"
191611 - 191703 10.17" 4 -1.08"
191711 - 191803 8.59" 1 -2.66"
191811 - 191903 12.24" 27 0.99"
191911 - 192003 11.21" 17 -0.04"
192011 - 192103 11.41" 21 0.16"
192111 - 192203 12.58" 31 1.33"
192211 - 192303 11.47" 22 0.22"
192311 - 192403 10.76" 9 -0.49"
192411 - 192503 9.62" 2 -1.63"
192511 - 192603 10.54" 6 -0.71"
192611 - 192703 12.62" 32 1.37"
192711 - 192803 10.94" 12 -0.31"
192811 - 192903 11.08" 16 -0.17"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/