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 (4.49")
1901-1954 Base Period
189509 - 189510 2.66" 2 -1.83"
189609 - 189610 4.93" 45 0.44"
189709 - 189710 3.40" 7 -1.09"
189809 - 189810 4.83" 43 0.34"
189909 - 189910 3.95" 16 -0.54"
190009 - 190010 5.68" 56 1.19"
190109 - 190110 4.09" 23 -0.40"
190209 - 190210 4.67" 38 0.18"
190309 - 190310 3.89" 15 -0.60"
190409 - 190410 3.99" 18 -0.50"
190509 - 190510 4.74" 40 0.25"
190609 - 190610 4.99" 46 0.50"
190709 - 190710 4.54" 29 0.05"
190809 - 190810 3.86" 14 -0.63"
190909 - 190910 3.82" 13 -0.67"
191009 - 191010 4.21" 24 -0.28"
191109 - 191110 5.24" 49 0.75"
191209 - 191210 4.64" 37 0.15"
191309 - 191310 5.65" 55 1.16"
191409 - 191410 4.69" 39 0.20"
191509 - 191510 4.62" 34 0.13"
191609 - 191610 4.08" 21 -0.41"
191709 - 191710 3.55" 8 -0.94"
191809 - 191810 5.36" 53 0.87"
191909 - 191910 5.79" 58 1.30"
192009 - 192010 4.61" 33 0.12"
192109 - 192110 4.03" 19 -0.46"
192209 - 192210 3.20" 4 -1.29"
192309 - 192310 5.36" 53 0.87"
192409 - 192410 4.45" 28 -0.04"
192509 - 192510 5.87" 59 1.38"
192609 - 192610 5.72" 57 1.23"
192709 - 192710 4.83" 43 0.34"
192809 - 192810 4.34" 26 -0.15"
192909 - 192910 5.35" 50 0.86"
193009 - 193010 4.64" 37 0.15"
193109 - 193110 3.96" 17 -0.53"
193209 - 193210 4.64" 37 0.15"
193309 - 193310 4.06" 20 -0.43"
193409 - 193410 4.56" 30 0.07"
193509 - 193510 4.08" 21 -0.41"
193609 - 193610 5.07" 48 0.58"
193709 - 193710 4.61" 33 0.12"
193809 - 193810 3.75" 10 -0.74"
193909 - 193910 3.22" 5 -1.27"
194009 - 194010 3.77" 11 -0.72"
194109 - 194110 6.93" 60 2.44"
194209 - 194210 4.80" 41 0.31"
194309 - 194310 3.79" 12 -0.70"
194409 - 194410 3.73" 9 -0.76"
194509 - 194510 5.44" 54 0.95"
194609 - 194610 5.36" 53 0.87"
194709 - 194710 4.44" 27 -0.05"
194809 - 194810 3.35" 6 -1.14"
194909 - 194910 5.02" 47 0.53"
195009 - 195010 4.59" 31 0.10"
195109 - 195110 4.87" 44 0.38"
195209 - 195210 2.07" 1 -2.42"
195309 - 195310 3.01" 3 -1.48"
195409 - 195410 4.30" 25 -0.19"

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/