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 (21.15")
1901-1942 Base Period
189509 - 189605 19.89" 12 -1.26"
189609 - 189705 22.84" 38 1.69"
189709 - 189805 20.00" 14 -1.15"
189809 - 189905 21.04" 23 -0.11"
189909 - 190005 20.70" 18 -0.45"
190009 - 190105 21.31" 26 0.16"
190109 - 190205 19.90" 13 -1.25"
190209 - 190305 23.90" 46 2.75"
190309 - 190405 19.21" 7 -1.94"
190409 - 190505 21.18" 25 0.03"
190509 - 190605 21.98" 31 0.83"
190609 - 190705 23.15" 42 2.00"
190709 - 190805 23.11" 41 1.96"
190809 - 190905 20.41" 15 -0.74"
190909 - 191005 19.30" 8 -1.85"
191009 - 191105 18.76" 6 -2.39"
191109 - 191205 23.77" 45 2.62"
191209 - 191305 20.58" 16 -0.57"
191309 - 191405 21.91" 29 0.76"
191409 - 191505 21.94" 30 0.79"
191509 - 191605 22.01" 32 0.86"
191609 - 191705 19.57" 10 -1.58"
191709 - 191805 17.55" 2 -3.60"
191809 - 191905 23.21" 43 2.06"
191909 - 192005 23.09" 40 1.94"
192009 - 192105 21.36" 27 0.21"
192109 - 192205 22.80" 37 1.65"
192209 - 192305 20.64" 17 -0.51"
192309 - 192405 20.80" 19 -0.35"
192409 - 192505 18.09" 3 -3.06"
192509 - 192605 20.80" 19 -0.35"
192609 - 192705 24.38" 47 3.23"
192709 - 192805 21.03" 22 -0.12"
192809 - 192905 21.86" 28 0.71"
192909 - 193005 20.82" 21 -0.33"
193009 - 193105 18.27" 4 -2.88"
193109 - 193205 22.23" 35 1.08"
193209 - 193305 22.17" 34 1.02"
193309 - 193405 17.16" 1 -3.99"
193409 - 193505 22.77" 36 1.62"
193509 - 193605 19.74" 11 -1.41"
193609 - 193705 22.03" 33 0.88"
193709 - 193805 22.95" 39 1.80"
193809 - 193905 19.32" 9 -1.83"
193909 - 194005 18.53" 5 -2.62"
194009 - 194105 21.14" 24 -0.01"
194109 - 194205 23.50" 44 2.35"

Citing This Page

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