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 (13.75")
1901-1921 Base Period
189511 - 189604 14.27" 17 0.52"
189611 - 189704 15.79" 25 2.04"
189711 - 189804 13.37" 9 -0.38"
189811 - 189904 13.47" 12 -0.28"
189911 - 190004 14.30" 18 0.55"
190011 - 190104 12.97" 7 -0.78"
190111 - 190204 12.81" 4 -0.94"
190211 - 190304 16.22" 26 2.47"
190311 - 190404 12.73" 3 -1.02"
190411 - 190504 13.45" 11 -0.30"
190511 - 190604 14.08" 15 0.33"
190611 - 190704 14.71" 23 0.96"
190711 - 190804 14.44" 19 0.69"
190811 - 190904 13.51" 13 -0.24"
190911 - 191004 12.89" 6 -0.86"
191011 - 191104 12.58" 2 -1.17"
191111 - 191204 15.64" 24 1.89"
191211 - 191304 13.43" 10 -0.32"
191311 - 191404 13.78" 14 0.03"
191411 - 191504 13.36" 8 -0.39"
191511 - 191604 14.51" 21 0.76"
191611 - 191704 12.85" 5 -0.90"
191711 - 191804 11.41" 1 -2.34"
191811 - 191904 14.65" 22 0.90"
191911 - 192004 14.51" 21 0.76"
192011 - 192104 14.20" 16 0.45"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 23, 2019 from https://www.ncdc.noaa.gov/cag/