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 (88.36")
1901-1971 Base Period
189506 - 189805 87.18" 30 -1.18"
189606 - 189905 88.86" 38 0.50"
189706 - 190005 87.04" 28 -1.32"
189806 - 190105 88.76" 36 0.40"
189906 - 190205 86.50" 24 -1.86"
190006 - 190305 89.80" 46 1.44"
190106 - 190405 88.07" 34 -0.29"
190206 - 190505 90.19" 50 1.83"
190306 - 190605 89.35" 44 0.99"
190406 - 190705 94.13" 72 5.77"
190506 - 190805 96.00" 74 7.64"
190606 - 190905 93.98" 70 5.62"
190706 - 191005 89.07" 41 0.71"
190806 - 191105 83.37" 6 -4.99"
190906 - 191205 85.94" 19 -2.42"
191006 - 191305 87.30" 31 -1.06"
191106 - 191405 90.38" 54 2.02"
191206 - 191505 88.90" 39 0.54"
191306 - 191605 91.76" 62 3.40"
191406 - 191705 91.16" 57 2.80"
191506 - 191805 85.69" 18 -2.67"
191606 - 191905 83.76" 9 -4.60"
191706 - 192005 86.78" 26 -1.58"
191806 - 192105 92.19" 65 3.83"
191906 - 192205 93.09" 68 4.73"
192006 - 192305 89.97" 48 1.61"
192106 - 192405 89.34" 43 0.98"
192206 - 192505 83.62" 8 -4.74"
192306 - 192605 83.58" 7 -4.78"
192406 - 192705 86.81" 27 -1.55"
192506 - 192805 91.08" 56 2.72"
192606 - 192905 95.02" 73 6.66"
192706 - 193005 89.89" 47 1.53"
192806 - 193105 84.53" 11 -3.83"
192906 - 193205 81.97" 3 -6.39"
193006 - 193305 84.83" 15 -3.53"
193106 - 193405 84.78" 14 -3.58"
193206 - 193505 84.67" 12 -3.69"
193306 - 193605 82.03" 4 -6.33"
193406 - 193705 86.19" 21 -2.17"
193506 - 193805 87.73" 33 -0.63"
193606 - 193905 87.53" 32 -0.83"
193706 - 194005 85.99" 20 -2.37"
193806 - 194105 84.35" 10 -4.01"
193906 - 194205 89.74" 45 1.38"
194006 - 194305 93.99" 71 5.63"
194106 - 194405 93.20" 69 4.84"
194206 - 194505 90.31" 52 1.95"
194306 - 194605 91.26" 58 2.90"
194406 - 194705 92.80" 67 4.44"
194506 - 194805 92.71" 66 4.35"
194606 - 194905 91.55" 61 3.19"
194706 - 195005 91.45" 60 3.09"
194806 - 195105 90.96" 55 2.60"
194906 - 195205 91.78" 63 3.42"
195006 - 195305 88.95" 40 0.59"
195106 - 195405 85.25" 16 -3.11"
195206 - 195505 79.64" 1 -8.72"
195306 - 195605 80.05" 2 -8.31"
195406 - 195705 82.60" 5 -5.76"
195506 - 195805 88.58" 35 0.22"
195606 - 195905 90.12" 49 1.76"
195706 - 196005 92.08" 64 3.72"
195806 - 196105 89.29" 42 0.93"
195906 - 196205 90.28" 51 1.92"
196006 - 196305 87.04" 28 -1.32"
196106 - 196405 85.31" 17 -3.05"
196206 - 196505 84.75" 13 -3.61"
196306 - 196605 86.37" 23 -1.99"
196406 - 196705 86.28" 22 -2.08"
196506 - 196805 86.57" 25 -1.79"
196606 - 196905 88.80" 37 0.44"
196706 - 197005 91.29" 59 2.93"
196806 - 197105 90.38" 54 2.02"

Citing This Page

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