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 (18.50")
1901-1954 Base Period
189508 - 189603 16.87" 11 -1.63"
189608 - 189703 20.30" 52 1.80"
189708 - 189803 17.05" 14 -1.45"
189808 - 189903 19.58" 46 1.08"
189908 - 190003 17.10" 16 -1.40"
190008 - 190103 18.54" 27 0.04"
190108 - 190203 18.02" 22 -0.48"
190208 - 190303 21.20" 58 2.70"
190308 - 190403 17.54" 18 -0.96"
190408 - 190503 17.33" 17 -1.17"
190508 - 190603 19.28" 42 0.78"
190608 - 190703 20.77" 57 2.27"
190708 - 190803 18.84" 32 0.34"
190808 - 190903 17.97" 21 -0.53"
190908 - 191003 17.06" 15 -1.44"
191008 - 191103 16.19" 5 -2.31"
191108 - 191203 20.60" 56 2.10"
191208 - 191303 19.07" 36 0.57"
191308 - 191403 18.60" 30 0.10"
191408 - 191503 18.90" 33 0.40"
191508 - 191603 20.47" 55 1.97"
191608 - 191703 16.78" 10 -1.72"
191708 - 191803 14.58" 1 -3.92"
191808 - 191903 20.07" 49 1.57"
191908 - 192003 19.48" 44 0.98"
192008 - 192103 19.42" 43 0.92"
192108 - 192203 19.21" 40 0.71"
192208 - 192303 16.90" 12 -1.60"
192308 - 192403 19.04" 35 0.54"
192408 - 192503 16.28" 6 -2.22"
192508 - 192603 18.47" 25 -0.03"
192608 - 192703 21.56" 59 3.06"
192708 - 192803 18.49" 26 -0.01"
192808 - 192903 18.57" 28 0.07"
192908 - 193003 17.62" 19 -0.88"
193008 - 193103 15.87" 3 -2.63"
193108 - 193203 20.39" 53 1.89"
193208 - 193303 19.09" 37 0.59"
193308 - 193403 16.44" 7 -2.06"
193408 - 193503 18.58" 29 0.08"
193508 - 193603 17.95" 20 -0.55"
193608 - 193703 19.23" 41 0.73"
193708 - 193803 19.57" 45 1.07"
193808 - 193903 17.02" 13 -1.48"
193908 - 194003 15.98" 4 -2.52"
194008 - 194103 18.43" 24 -0.07"
194108 - 194203 20.28" 51 1.78"
194208 - 194303 19.67" 48 1.17"
194308 - 194403 16.66" 9 -1.84"
194408 - 194503 19.10" 38 0.60"
194508 - 194603 20.25" 50 1.75"
194608 - 194703 18.69" 31 0.19"
194708 - 194803 19.12" 39 0.62"
194808 - 194903 19.60" 47 1.10"
194908 - 195003 19.00" 34 0.50"
195008 - 195103 18.38" 23 -0.12"
195108 - 195203 20.40" 54 1.90"
195208 - 195303 16.60" 8 -1.90"
195308 - 195403 15.78" 2 -2.72"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/