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 (11.37")
1901-1954 Base Period
189511 - 189603 11.68" 36 0.31"
189611 - 189703 13.37" 56 2.00"
189711 - 189803 11.35" 29 -0.02"
189811 - 189903 11.69" 38 0.32"
189911 - 190003 10.89" 19 -0.48"
190011 - 190103 10.44" 8 -0.93"
190111 - 190203 10.96" 21 -0.41"
190211 - 190303 14.23" 59 2.86"
190311 - 190403 10.61" 13 -0.76"
190411 - 190503 10.65" 14 -0.72"
190511 - 190603 12.00" 44 0.63"
190611 - 190703 12.39" 49 1.02"
190711 - 190803 11.75" 40 0.38"
190811 - 190903 11.23" 27 -0.14"
190911 - 191003 10.83" 18 -0.54"
191011 - 191103 9.73" 5 -1.64"
191111 - 191203 12.30" 48 0.93"
191211 - 191303 11.38" 30 0.01"
191311 - 191403 11.05" 23 -0.32"
191411 - 191503 11.04" 22 -0.33"
191511 - 191603 12.42" 52 1.05"
191611 - 191703 10.17" 7 -1.20"
191711 - 191803 8.59" 1 -2.78"
191811 - 191903 12.24" 46 0.87"
191911 - 192003 11.21" 25 -0.16"
192011 - 192103 11.41" 32 0.04"
192111 - 192203 12.58" 53 1.21"
192211 - 192303 11.47" 33 0.10"
192311 - 192403 10.76" 17 -0.61"
192411 - 192503 9.62" 4 -1.75"
192511 - 192603 10.54" 11 -0.83"
192611 - 192703 12.62" 54 1.25"
192711 - 192803 10.94" 20 -0.43"
192811 - 192903 11.08" 24 -0.29"
192911 - 193003 10.47" 9 -0.90"
193011 - 193103 9.27" 2 -2.10"
193111 - 193203 13.71" 57 2.34"
193211 - 193303 11.60" 35 0.23"
193311 - 193403 9.52" 3 -1.85"
193411 - 193503 11.76" 41 0.39"
193511 - 193603 11.41" 32 0.04"
193611 - 193703 11.95" 43 0.58"
193711 - 193803 12.41" 51 1.04"
193811 - 193903 11.21" 25 -0.16"
193911 - 194003 10.05" 6 -1.32"
194011 - 194103 11.69" 38 0.32"
194111 - 194203 10.57" 12 -0.80"
194211 - 194303 11.71" 39 0.34"
194311 - 194403 10.75" 15 -0.62"
194411 - 194503 12.41" 51 1.04"
194511 - 194603 12.21" 45 0.84"
194611 - 194703 10.75" 15 -0.62"
194711 - 194803 12.29" 47 0.92"
194811 - 194903 14.01" 58 2.64"
194911 - 195003 11.49" 34 0.12"
195011 - 195103 11.24" 28 -0.13"
195111 - 195203 12.92" 55 1.55"
195211 - 195303 11.91" 42 0.54"
195311 - 195403 10.48" 10 -0.89"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 13, 2019 from https://www.ncdc.noaa.gov/cag/