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 (44.36")
1901-1929 Base Period
189512 - 189705 45.64" 23 1.28"
189612 - 189805 42.95" 8 -1.41"
189712 - 189905 44.36" 14 0.00"
189812 - 190005 42.83" 6 -1.53"
189912 - 190105 44.59" 16 0.23"
190012 - 190205 41.05" 5 -3.31"
190112 - 190305 46.54" 28 2.18"
190212 - 190405 44.34" 13 -0.02"
190312 - 190505 43.40" 10 -0.96"
190412 - 190605 47.51" 31 3.15"
190512 - 190705 47.93" 33 3.57"
190612 - 190805 47.45" 30 3.09"
190712 - 190905 45.64" 23 1.28"
190812 - 191005 42.85" 7 -1.51"
190912 - 191105 38.61" 1 -5.75"
191012 - 191205 44.68" 17 0.32"
191112 - 191305 45.75" 26 1.39"
191212 - 191405 43.58" 11 -0.78"
191312 - 191505 44.36" 14 0.00"
191412 - 191605 47.93" 33 3.57"
191512 - 191705 43.85" 12 -0.51"
191612 - 191805 38.92" 2 -5.44"
191712 - 191905 43.31" 9 -1.05"
191812 - 192005 47.11" 29 2.75"
191912 - 192105 44.85" 19 0.49"
192012 - 192205 45.65" 24 1.29"
192112 - 192305 44.82" 18 0.46"
192212 - 192405 45.08" 20 0.72"
192312 - 192505 39.00" 3 -5.36"
192412 - 192605 40.69" 4 -3.67"
192512 - 192705 45.72" 25 1.36"
192612 - 192805 45.50" 21 1.14"
192712 - 192905 45.81" 27 1.45"

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/