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 (13.87")
1901-1954 Base Period
189511 - 189604 14.27" 37 0.40"
189611 - 189704 15.79" 56 1.92"
189711 - 189804 13.37" 17 -0.50"
189811 - 189904 13.47" 23 -0.40"
189911 - 190004 14.30" 38 0.43"
190011 - 190104 12.97" 13 -0.90"
190111 - 190204 12.81" 9 -1.06"
190211 - 190304 16.22" 59 2.35"
190311 - 190404 12.73" 8 -1.14"
190411 - 190504 13.45" 22 -0.42"
190511 - 190604 14.08" 34 0.21"
190611 - 190704 14.71" 47 0.84"
190711 - 190804 14.44" 40 0.57"
190811 - 190904 13.51" 24 -0.36"
190911 - 191004 12.89" 12 -0.98"
191011 - 191104 12.58" 6 -1.29"
191111 - 191204 15.64" 53 1.77"
191211 - 191304 13.43" 21 -0.44"
191311 - 191404 13.78" 28 -0.09"
191411 - 191504 13.36" 16 -0.51"
191511 - 191604 14.51" 43 0.64"
191611 - 191704 12.85" 10 -1.02"
191711 - 191804 11.41" 3 -2.46"
191811 - 191904 14.65" 45 0.78"
191911 - 192004 14.51" 43 0.64"
192011 - 192104 14.20" 36 0.33"
192111 - 192204 15.66" 54 1.79"
192211 - 192304 14.31" 39 0.44"
192311 - 192404 13.02" 14 -0.85"
192411 - 192504 11.72" 4 -2.15"
192511 - 192604 12.72" 7 -1.15"
192611 - 192704 15.67" 55 1.80"
192711 - 192804 13.86" 30 -0.01"
192811 - 192904 14.01" 32 0.14"
192911 - 193004 12.30" 5 -1.57"
193011 - 193104 11.34" 2 -2.53"
193111 - 193204 15.85" 57 1.98"
193211 - 193304 14.14" 35 0.27"
193311 - 193404 11.29" 1 -2.58"
193411 - 193504 14.49" 41 0.62"
193511 - 193604 13.41" 19 -0.46"
193611 - 193704 14.63" 44 0.76"
193711 - 193804 15.10" 50 1.23"
193811 - 193904 13.37" 17 -0.50"
193911 - 194004 13.09" 15 -0.78"
194011 - 194104 14.70" 46 0.83"
194111 - 194204 13.41" 19 -0.46"
194211 - 194304 13.84" 29 -0.03"
194311 - 194404 14.05" 33 0.18"
194411 - 194504 15.46" 52 1.59"
194511 - 194604 13.87" 31 0.00"
194611 - 194704 13.76" 27 -0.11"
194711 - 194804 14.83" 48 0.96"
194811 - 194904 16.10" 58 2.23"
194911 - 195004 13.57" 25 -0.30"
195011 - 195104 13.59" 26 -0.28"
195111 - 195204 15.32" 51 1.45"
195211 - 195304 14.87" 49 1.00"
195311 - 195404 12.88" 11 -0.99"

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/