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
Date Value Rank Departure From Mean (2.14")
1901-1931 Base Period
189510 1.08" 1 -1.06"
189610 2.15" 20 0.01"
189710 1.83" 10 -0.31"
189810 2.50" 29 0.36"
189910 2.41" 26 0.27"
190010 2.75" 34 0.61"
190110 1.51" 4 -0.63"
190210 1.93" 13 -0.21"
190310 1.77" 9 -0.37"
190410 1.66" 7 -0.48"
190510 2.17" 22 0.03"
190610 2.08" 17 -0.06"
190710 2.03" 14 -0.11"
190810 2.03" 14 -0.11"
190910 1.54" 6 -0.60"
191010 2.04" 16 -0.10"
191110 2.49" 28 0.35"
191210 2.13" 19 -0.01"
191310 2.52" 31 0.38"
191410 2.51" 30 0.37"
191510 1.85" 11 -0.29"
191610 2.10" 18 -0.04"
191710 1.38" 2 -0.76"
191810 2.92" 35 0.78"
191910 3.45" 37 1.31"
192010 2.17" 22 0.03"
192110 1.46" 3 -0.68"
192210 1.73" 8 -0.41"
192310 2.53" 32 0.39"
192410 1.53" 5 -0.61"
192510 2.99" 36 0.85"
192610 2.49" 28 0.35"
192710 2.35" 25 0.21"
192810 2.23" 23 0.09"
192910 2.60" 33 0.46"
193010 2.31" 24 0.17"
193110 1.90" 12 -0.24"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/