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 (21.16")
1901-1944 Base Period
189509 - 189605 19.89" 12 -1.27"
189609 - 189705 22.84" 40 1.68"
189709 - 189805 20.00" 14 -1.16"
189809 - 189905 21.04" 24 -0.12"
189909 - 190005 20.70" 18 -0.46"
190009 - 190105 21.31" 27 0.15"
190109 - 190205 19.90" 13 -1.26"
190209 - 190305 23.90" 48 2.74"
190309 - 190405 19.21" 7 -1.95"
190409 - 190505 21.18" 26 0.02"
190509 - 190605 21.98" 32 0.82"
190609 - 190705 23.15" 44 1.99"
190709 - 190805 23.11" 43 1.95"
190809 - 190905 20.41" 15 -0.75"
190909 - 191005 19.30" 8 -1.86"
191009 - 191105 18.76" 6 -2.40"
191109 - 191205 23.77" 47 2.61"
191209 - 191305 20.58" 16 -0.58"
191309 - 191405 21.91" 30 0.75"
191409 - 191505 21.94" 31 0.78"
191509 - 191605 22.01" 33 0.85"
191609 - 191705 19.57" 10 -1.59"
191709 - 191805 17.55" 2 -3.61"
191809 - 191905 23.21" 45 2.05"
191909 - 192005 23.09" 42 1.93"
192009 - 192105 21.36" 28 0.20"
192109 - 192205 22.80" 39 1.64"
192209 - 192305 20.64" 17 -0.52"
192309 - 192405 20.80" 19 -0.36"
192409 - 192505 18.09" 3 -3.07"
192509 - 192605 20.80" 19 -0.36"
192609 - 192705 24.38" 49 3.22"
192709 - 192805 21.03" 23 -0.13"
192809 - 192905 21.86" 29 0.70"
192909 - 193005 20.82" 21 -0.34"
193009 - 193105 18.27" 4 -2.89"
193109 - 193205 22.23" 37 1.07"
193209 - 193305 22.17" 36 1.01"
193309 - 193405 17.16" 1 -4.00"
193409 - 193505 22.77" 38 1.61"
193509 - 193605 19.74" 11 -1.42"
193609 - 193705 22.03" 35 0.87"
193709 - 193805 22.95" 41 1.79"
193809 - 193905 19.32" 9 -1.84"
193909 - 194005 18.53" 5 -2.63"
194009 - 194105 21.14" 25 -0.02"
194109 - 194205 23.50" 46 2.34"
194209 - 194305 22.03" 35 0.87"
194309 - 194405 20.84" 22 -0.32"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 24, 2019 from https://www.ncdc.noaa.gov/cag/