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 (17.47")
1901-1956 Base Period
189512 - 189606 17.58" 28 0.11"
189612 - 189706 17.72" 30 0.25"
189712 - 189806 17.38" 25 -0.09"
189812 - 189906 16.92" 19 -0.55"
189912 - 190006 17.79" 33 0.32"
190012 - 190106 15.86" 12 -1.61"
190112 - 190206 17.25" 22 -0.22"
190212 - 190306 19.12" 57 1.65"
190312 - 190406 16.60" 16 -0.87"
190412 - 190506 19.47" 61 2.00"
190512 - 190606 18.09" 37 0.62"
190612 - 190706 18.79" 50 1.32"
190712 - 190806 19.34" 60 1.87"
190812 - 190906 18.11" 38 0.64"
190912 - 191006 15.01" 4 -2.46"
191012 - 191106 14.99" 3 -2.48"
191112 - 191206 19.13" 58 1.66"
191212 - 191306 17.13" 21 -0.34"
191312 - 191406 16.80" 17 -0.67"
191412 - 191506 18.92" 53 1.45"
191512 - 191606 18.53" 46 1.06"
191612 - 191706 16.42" 15 -1.05"
191712 - 191806 15.30" 7 -2.17"
191812 - 191906 18.50" 44 1.03"
191912 - 192006 17.39" 26 -0.08"
192012 - 192106 17.39" 26 -0.08"
192112 - 192206 19.06" 56 1.59"
192212 - 192306 18.66" 48 1.19"
192312 - 192406 16.33" 14 -1.14"
192412 - 192506 15.18" 5 -2.29"
192512 - 192606 15.26" 6 -2.21"
192612 - 192706 18.91" 52 1.44"
192712 - 192806 17.73" 31 0.26"
192812 - 192906 18.00" 34 0.53"
192912 - 193006 15.84" 11 -1.63"
193012 - 193106 13.49" 1 -3.98"
193112 - 193206 18.79" 50 1.32"
193212 - 193306 16.96" 20 -0.51"
193312 - 193406 14.64" 2 -2.83"
193412 - 193506 18.40" 43 0.93"
193512 - 193606 15.53" 8 -1.94"
193612 - 193706 18.93" 54 1.46"
193712 - 193806 19.30" 59 1.83"
193812 - 193906 16.88" 18 -0.59"
193912 - 194006 17.30" 23 -0.17"
194012 - 194106 18.26" 41 0.79"
194112 - 194206 18.31" 42 0.84"
194212 - 194306 18.15" 39 0.68"
194312 - 194406 18.62" 47 1.15"
194412 - 194506 19.06" 56 1.59"
194512 - 194606 18.26" 41 0.79"
194612 - 194706 17.70" 29 0.23"
194712 - 194806 18.05" 35 0.58"
194812 - 194906 18.89" 51 1.42"
194912 - 195006 18.06" 36 0.59"
195012 - 195106 17.30" 23 -0.17"
195112 - 195206 17.78" 32 0.31"
195212 - 195306 18.52" 45 1.05"
195312 - 195406 16.28" 13 -1.19"
195412 - 195506 15.77" 9 -1.70"
195512 - 195606 15.83" 10 -1.64"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/