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 (44.33")
1901-1919 Base Period
189512 - 189705 45.64" 17 1.31"
189612 - 189805 42.95" 6 -1.38"
189712 - 189905 44.36" 13 0.03"
189812 - 190005 42.83" 4 -1.50"
189912 - 190105 44.59" 14 0.26"
190012 - 190205 41.05" 3 -3.28"
190112 - 190305 46.54" 19 2.21"
190212 - 190405 44.34" 11 0.01"
190312 - 190505 43.40" 8 -0.93"
190412 - 190605 47.51" 21 3.18"
190512 - 190705 47.93" 23 3.60"
190612 - 190805 47.45" 20 3.12"
190712 - 190905 45.64" 17 1.31"
190812 - 191005 42.85" 5 -1.48"
190912 - 191105 38.61" 1 -5.72"
191012 - 191205 44.68" 15 0.35"
191112 - 191305 45.75" 18 1.42"
191212 - 191405 43.58" 9 -0.75"
191312 - 191505 44.36" 13 0.03"
191412 - 191605 47.93" 23 3.60"
191512 - 191705 43.85" 10 -0.48"
191612 - 191805 38.92" 2 -5.41"
191712 - 191905 43.31" 7 -1.02"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 18, 2019 from https://www.ncdc.noaa.gov/cag/