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 (148.61")
1901-1925 Base Period
189511 - 190010 149.17" 18 0.56"
189611 - 190110 146.76" 9 -1.85"
189711 - 190210 146.10" 6 -2.51"
189811 - 190310 147.67" 14 -0.94"
189911 - 190410 147.37" 12 -1.24"
190011 - 190510 147.71" 15 -0.90"
190111 - 190610 152.06" 21 3.45"
190211 - 190710 154.67" 25 6.06"
190311 - 190810 154.00" 24 5.39"
190411 - 190910 155.00" 26 6.39"
190511 - 191010 150.72" 20 2.11"
190611 - 191110 146.67" 8 -1.94"
190711 - 191210 147.22" 11 -1.39"
190811 - 191310 144.72" 1 -3.89"
190911 - 191410 145.10" 5 -3.51"
191011 - 191510 150.14" 19 1.53"
191111 - 191610 152.69" 22 4.08"
191211 - 191710 147.20" 10 -1.41"
191311 - 191810 144.77" 2 -3.84"
191411 - 191910 147.48" 13 -1.13"
191511 - 192010 146.33" 7 -2.28"
191611 - 192110 145.01" 3 -3.60"
191711 - 192210 148.37" 16 -0.24"
191811 - 192310 153.68" 23 5.07"
191911 - 192410 148.79" 17 0.18"
192011 - 192510 145.02" 4 -3.59"

Citing This Page

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