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 (15.88")
1901-1954 Base Period
189509 - 189603 14.34" 10 -1.54"
189609 - 189703 18.30" 57 2.42"
189709 - 189803 14.75" 16 -1.13"
189809 - 189903 16.52" 40 0.64"
189909 - 190003 14.84" 17 -1.04"
190009 - 190103 16.12" 32 0.24"
190109 - 190203 15.05" 19 -0.83"
190209 - 190303 18.90" 59 3.02"
190309 - 190403 14.50" 11 -1.38"
190409 - 190503 14.64" 13 -1.24"
190509 - 190603 16.74" 44 0.86"
190609 - 190703 17.38" 50 1.50"
190709 - 190803 16.29" 35 0.41"
190809 - 190903 15.09" 20 -0.79"
190909 - 191003 14.65" 14 -1.23"
191009 - 191103 13.94" 6 -1.94"
191109 - 191203 17.54" 52 1.66"
191209 - 191303 16.02" 28 0.14"
191309 - 191403 16.70" 42 0.82"
191409 - 191503 15.73" 24 -0.15"
191509 - 191603 17.04" 48 1.16"
191609 - 191703 14.25" 9 -1.63"
191709 - 191803 12.14" 1 -3.74"
191809 - 191903 17.60" 53 1.72"
191909 - 192003 17.00" 45 1.12"
192009 - 192103 16.02" 28 0.14"
192109 - 192203 16.61" 41 0.73"
192209 - 192303 14.67" 15 -1.21"
192309 - 192403 16.12" 32 0.24"
192409 - 192503 14.07" 8 -1.81"
192509 - 192603 16.41" 37 0.53"
192609 - 192703 18.34" 58 2.46"
192709 - 192803 15.77" 25 -0.11"
192809 - 192903 15.42" 21 -0.46"
192909 - 193003 15.82" 26 -0.06"
193009 - 193103 13.91" 5 -1.97"
193109 - 193203 17.67" 55 1.79"
193209 - 193303 16.24" 34 0.36"
193309 - 193403 13.58" 4 -2.30"
193409 - 193503 16.32" 36 0.44"
193509 - 193603 15.49" 23 -0.39"
193609 - 193703 17.02" 47 1.14"
193709 - 193803 17.02" 47 1.14"
193809 - 193903 14.96" 18 -0.92"
193909 - 194003 13.27" 2 -2.61"
194009 - 194103 15.46" 22 -0.42"
194109 - 194203 17.50" 51 1.62"
194209 - 194303 16.51" 39 0.63"
194309 - 194403 14.54" 12 -1.34"
194409 - 194503 16.14" 33 0.26"
194509 - 194603 17.65" 54 1.77"
194609 - 194703 16.11" 30 0.23"
194709 - 194803 16.73" 43 0.85"
194809 - 194903 17.36" 49 1.48"
194909 - 195003 16.51" 39 0.63"
195009 - 195103 15.83" 27 -0.05"
195109 - 195203 17.79" 56 1.91"
195209 - 195303 13.98" 7 -1.90"
195309 - 195403 13.49" 3 -2.39"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/