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 (20.74")
1901-1931 Base Period
189503 - 189510 18.00" 3 -2.74"
189603 - 189610 20.75" 21 0.01"
189703 - 189710 19.67" 10 -1.07"
189803 - 189810 21.51" 25 0.77"
189903 - 189910 19.47" 9 -1.27"
190003 - 190010 22.34" 29 1.60"
190103 - 190110 19.46" 8 -1.28"
190203 - 190210 20.70" 20 -0.04"
190303 - 190310 20.79" 22 0.05"
190403 - 190410 20.53" 18 -0.21"
190503 - 190510 23.58" 37 2.84"
190603 - 190610 23.22" 36 2.48"
190703 - 190710 21.43" 24 0.69"
190803 - 190810 21.77" 27 1.03"
190903 - 190910 20.02" 13 -0.72"
191003 - 191010 17.20" 1 -3.54"
191103 - 191110 19.89" 12 -0.85"
191203 - 191210 23.01" 35 2.27"
191303 - 191310 20.45" 17 -0.29"
191403 - 191410 20.22" 15 -0.52"
191503 - 191510 22.52" 32 1.78"
191603 - 191610 20.17" 14 -0.57"
191703 - 191710 18.74" 6 -2.00"
191803 - 191810 19.67" 10 -1.07"
191903 - 191910 22.60" 33 1.86"
192003 - 192010 22.47" 30 1.73"
192103 - 192110 20.25" 16 -0.49"
192203 - 192210 20.67" 19 -0.07"
192303 - 192310 22.67" 34 1.93"
192403 - 192410 18.70" 5 -2.04"
192503 - 192510 19.07" 7 -1.67"
192603 - 192610 20.99" 23 0.25"
192703 - 192710 22.14" 28 1.40"
192803 - 192810 22.49" 31 1.75"
192903 - 192910 21.60" 26 0.86"
193003 - 193010 17.70" 2 -3.04"
193103 - 193110 18.20" 4 -2.54"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/