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 (15.81")
1901-1931 Base Period
189505 - 189510 14.02" 5 -1.79"
189605 - 189610 15.75" 19 -0.06"
189705 - 189710 13.63" 2 -2.18"
189805 - 189810 17.07" 31 1.26"
189905 - 189910 14.87" 10 -0.94"
190005 - 190010 16.65" 28 0.84"
190105 - 190110 14.64" 9 -1.17"
190205 - 190210 15.95" 23 0.14"
190305 - 190310 15.79" 20 -0.02"
190405 - 190410 15.31" 13 -0.50"
190505 - 190510 17.84" 35 2.03"
190605 - 190610 17.88" 36 2.07"
190705 - 190710 16.66" 29 0.85"
190805 - 190810 16.90" 30 1.09"
190905 - 190910 15.53" 17 -0.28"
191005 - 191010 14.12" 6 -1.69"
191105 - 191110 15.33" 14 -0.48"
191205 - 191210 16.28" 24 0.47"
191305 - 191310 15.41" 15 -0.40"
191405 - 191410 15.64" 18 -0.17"
191505 - 191510 18.69" 37 2.88"
191605 - 191610 15.95" 23 0.14"
191705 - 191710 13.58" 1 -2.23"
191805 - 191810 15.00" 12 -0.81"
191905 - 191910 17.48" 34 1.67"
192005 - 192010 16.39" 25 0.58"
192105 - 192110 14.94" 11 -0.87"
192205 - 192210 14.13" 7 -1.68"
192305 - 192310 17.41" 33 1.60"
192405 - 192410 14.22" 8 -1.59"
192505 - 192510 15.41" 15 -0.40"
192605 - 192610 16.50" 27 0.69"
192705 - 192710 16.50" 27 0.69"
192805 - 192810 17.18" 32 1.37"
192905 - 192910 15.86" 21 0.05"
193005 - 193010 13.89" 4 -1.92"
193105 - 193110 13.82" 3 -1.99"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/