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 (43.61")
1901-1922 Base Period
189511 - 189704 45.81" 23 2.20"
189611 - 189804 42.79" 10 -0.82"
189711 - 189904 43.91" 13 0.30"
189811 - 190004 42.64" 8 -0.97"
189911 - 190104 43.92" 14 0.31"
190011 - 190204 40.42" 3 -3.19"
190111 - 190304 44.98" 18 1.37"
190211 - 190404 44.74" 15 1.13"
190311 - 190504 41.49" 5 -2.12"
190411 - 190604 45.37" 21 1.76"
190511 - 190704 46.67" 26 3.06"
190611 - 190804 45.81" 23 2.20"
190711 - 190904 44.85" 17 1.24"
190811 - 191004 41.93" 6 -1.68"
190911 - 191104 39.59" 2 -4.02"
191011 - 191204 43.55" 12 -0.06"
191111 - 191304 45.35" 20 1.74"
191211 - 191404 42.62" 7 -0.99"
191311 - 191504 42.78" 9 -0.83"
191411 - 191604 46.56" 24 2.95"
191511 - 191704 43.31" 11 -0.30"
191611 - 191804 37.84" 1 -5.77"
191711 - 191904 41.06" 4 -2.55"
191811 - 192004 46.64" 25 3.03"
191911 - 192104 45.10" 19 1.49"
192011 - 192204 44.80" 16 1.19"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/