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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Download: xml csv json
Dates Value Rank Departure From Mean (20.60")
1901-1971 Base Period
189503 - 189510 18.00" 7 -2.60"
189603 - 189610 20.75" 41 0.15"
189703 - 189710 19.67" 20 -0.93"
189803 - 189810 21.51" 56 0.91"
189903 - 189910 19.47" 18 -1.13"
190003 - 190010 22.34" 65 1.74"
190103 - 190110 19.46" 17 -1.14"
190203 - 190210 20.70" 40 0.10"
190303 - 190310 20.79" 42 0.19"
190403 - 190410 20.53" 36 -0.07"
190503 - 190510 23.58" 75 2.98"
190603 - 190610 23.22" 73 2.62"
190703 - 190710 21.43" 53 0.83"
190803 - 190810 21.77" 61 1.17"
190903 - 190910 20.02" 26 -0.58"
191003 - 191010 17.20" 2 -3.40"
191103 - 191110 19.89" 24 -0.71"
191203 - 191210 23.01" 72 2.41"
191303 - 191310 20.45" 35 -0.15"
191403 - 191410 20.22" 33 -0.38"
191503 - 191510 22.52" 69 1.92"
191603 - 191610 20.17" 30 -0.43"
191703 - 191710 18.74" 14 -1.86"
191803 - 191810 19.67" 20 -0.93"
191903 - 191910 22.60" 70 2.00"
192003 - 192010 22.47" 67 1.87"
192103 - 192110 20.25" 34 -0.35"
192203 - 192210 20.67" 38 0.07"
192303 - 192310 22.67" 71 2.07"
192403 - 192410 18.70" 13 -1.90"
192503 - 192510 19.07" 15 -1.53"
192603 - 192610 20.99" 44 0.39"
192703 - 192710 22.14" 64 1.54"
192803 - 192810 22.49" 68 1.89"
192903 - 192910 21.60" 59 1.00"
193003 - 193010 17.70" 5 -2.90"
193103 - 193110 18.20" 9 -2.40"
193203 - 193210 20.02" 26 -0.58"
193303 - 193310 19.60" 19 -1.00"
193403 - 193410 17.40" 4 -3.20"
193503 - 193510 21.57" 58 0.97"
193603 - 193610 17.85" 6 -2.75"
193703 - 193710 20.05" 28 -0.55"
193803 - 193810 21.50" 55 0.90"
193903 - 193910 18.04" 8 -2.56"
194003 - 194010 19.75" 23 -0.85"
194103 - 194110 24.43" 77 3.83"
194203 - 194210 22.40" 66 1.80"
194303 - 194310 20.15" 29 -0.45"
194403 - 194410 21.34" 51 0.74"
194503 - 194510 23.54" 74 2.94"
194603 - 194610 21.47" 54 0.87"
194703 - 194710 21.12" 47 0.52"
194803 - 194810 20.19" 31 -0.41"
194903 - 194910 21.33" 50 0.73"
195003 - 195010 21.25" 49 0.65"
195103 - 195110 21.09" 45 0.49"
195203 - 195210 17.30" 3 -3.30"
195303 - 195310 19.32" 16 -1.28"
195403 - 195410 18.58" 12 -2.02"
195503 - 195510 19.67" 20 -0.93"
195603 - 195610 17.13" 1 -3.47"
195703 - 195710 24.14" 76 3.54"
195803 - 195810 21.98" 62 1.38"
195903 - 195910 22.12" 63 1.52"
196003 - 196010 19.95" 25 -0.65"
196103 - 196110 21.71" 60 1.11"
196203 - 196210 20.21" 32 -0.39"
196303 - 196310 18.26" 11 -2.34"
196403 - 196410 20.56" 37 -0.04"
196503 - 196510 21.14" 48 0.54"
196603 - 196610 18.21" 10 -2.39"
196703 - 196710 21.36" 52 0.76"
196803 - 196810 21.10" 46 0.50"
196903 - 196910 20.86" 43 0.26"
197003 - 197010 21.56" 57 0.96"
197103 - 197110 20.70" 40 0.10"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/