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 (27.59")
1901-1925 Base Period
189512 - 189610 27.73" 17 0.14"
189612 - 189710 26.35" 10 -1.24"
189712 - 189810 28.15" 19 0.56"
189812 - 189910 26.08" 7 -1.51"
189912 - 190010 28.96" 22 1.37"
190012 - 190110 25.24" 3 -2.35"
190112 - 190210 27.31" 13 -0.28"
190212 - 190310 29.02" 23 1.43"
190312 - 190410 26.21" 9 -1.38"
190412 - 190510 30.27" 29 2.68"
190512 - 190610 29.77" 26 2.18"
190612 - 190710 28.88" 21 1.29"
190712 - 190810 29.09" 24 1.50"
190812 - 190910 27.37" 15 -0.22"
190912 - 191010 24.06" 1 -3.53"
191012 - 191110 26.15" 8 -1.44"
191112 - 191210 29.81" 28 2.22"
191212 - 191310 27.32" 14 -0.27"
191312 - 191410 27.11" 12 -0.48"
191412 - 191510 30.54" 30 2.95"
191512 - 191610 28.36" 20 0.77"
191612 - 191710 24.92" 2 -2.67"
191712 - 191810 25.46" 5 -2.13"
191812 - 191910 29.81" 28 2.22"
191912 - 192010 28.10" 18 0.51"
192012 - 192110 26.88" 11 -0.71"
192112 - 192210 27.38" 16 -0.21"
192212 - 192310 29.64" 25 2.05"
192312 - 192410 25.36" 4 -2.23"
192412 - 192510 25.76" 6 -1.83"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/