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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Dates Value Rank Departure From Mean (27.40")
1901-1931 Base Period
189512 - 189610 27.73" 21 0.33"
189612 - 189710 26.35" 12 -1.05"
189712 - 189810 28.15" 23 0.75"
189812 - 189910 26.08" 9 -1.32"
189912 - 190010 28.96" 27 1.56"
190012 - 190110 25.24" 5 -2.16"
190112 - 190210 27.31" 16 -0.09"
190212 - 190310 29.02" 28 1.62"
190312 - 190410 26.21" 11 -1.19"
190412 - 190510 30.27" 35 2.87"
190512 - 190610 29.77" 32 2.37"
190612 - 190710 28.88" 26 1.48"
190712 - 190810 29.09" 29 1.69"
190812 - 190910 27.37" 18 -0.03"
190912 - 191010 24.06" 2 -3.34"
191012 - 191110 26.15" 10 -1.25"
191112 - 191210 29.81" 34 2.41"
191212 - 191310 27.32" 17 -0.08"
191312 - 191410 27.11" 15 -0.29"
191412 - 191510 30.54" 36 3.14"
191512 - 191610 28.36" 25 0.96"
191612 - 191710 24.92" 4 -2.48"
191712 - 191810 25.46" 7 -1.94"
191812 - 191910 29.81" 34 2.41"
191912 - 192010 28.10" 22 0.70"
192012 - 192110 26.88" 13 -0.52"
192112 - 192210 27.38" 19 -0.02"
192212 - 192310 29.64" 31 2.24"
192312 - 192410 25.36" 6 -2.04"
192412 - 192510 25.76" 8 -1.64"
192512 - 192610 27.06" 14 -0.34"
192612 - 192710 29.30" 30 1.90"
192712 - 192810 28.29" 24 0.89"
192812 - 192910 27.72" 20 0.32"
192912 - 193010 24.23" 3 -3.17"
193012 - 193110 22.88" 1 -4.52"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 17, 2019 from https://www.ncdc.noaa.gov/cag/