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 (13.78")
1901-1929 Base Period
189511 - 189604 14.27" 22 0.49"
189611 - 189704 15.79" 33 2.01"
189711 - 189804 13.37" 12 -0.41"
189811 - 189904 13.47" 15 -0.31"
189911 - 190004 14.30" 23 0.52"
190011 - 190104 12.97" 9 -0.81"
190111 - 190204 12.81" 6 -0.97"
190211 - 190304 16.22" 34 2.44"
190311 - 190404 12.73" 5 -1.05"
190411 - 190504 13.45" 14 -0.33"
190511 - 190604 14.08" 20 0.30"
190611 - 190704 14.71" 29 0.93"
190711 - 190804 14.44" 25 0.66"
190811 - 190904 13.51" 16 -0.27"
190911 - 191004 12.89" 8 -0.89"
191011 - 191104 12.58" 3 -1.20"
191111 - 191204 15.64" 30 1.86"
191211 - 191304 13.43" 13 -0.35"
191311 - 191404 13.78" 17 0.00"
191411 - 191504 13.36" 11 -0.42"
191511 - 191604 14.51" 27 0.73"
191611 - 191704 12.85" 7 -0.93"
191711 - 191804 11.41" 1 -2.37"
191811 - 191904 14.65" 28 0.87"
191911 - 192004 14.51" 27 0.73"
192011 - 192104 14.20" 21 0.42"
192111 - 192204 15.66" 31 1.88"
192211 - 192304 14.31" 24 0.53"
192311 - 192404 13.02" 10 -0.76"
192411 - 192504 11.72" 2 -2.06"
192511 - 192604 12.72" 4 -1.06"
192611 - 192704 15.67" 32 1.89"
192711 - 192804 13.86" 18 0.08"
192811 - 192904 14.01" 19 0.23"

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/