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 (88.63")
1901-1948 Base Period
189506 - 189805 87.18" 20 -1.45"
189606 - 189905 88.86" 26 0.23"
189706 - 190005 87.04" 19 -1.59"
189806 - 190105 88.76" 25 0.13"
189906 - 190205 86.50" 16 -2.13"
190006 - 190305 89.80" 32 1.17"
190106 - 190405 88.07" 24 -0.56"
190206 - 190505 90.19" 35 1.56"
190306 - 190605 89.35" 30 0.72"
190406 - 190705 94.13" 49 5.50"
190506 - 190805 96.00" 51 7.37"
190606 - 190905 93.98" 47 5.35"
190706 - 191005 89.07" 28 0.44"
190806 - 191105 83.37" 3 -5.26"
190906 - 191205 85.94" 13 -2.69"
191006 - 191305 87.30" 21 -1.33"
191106 - 191405 90.38" 37 1.75"
191206 - 191505 88.90" 27 0.27"
191306 - 191605 91.76" 41 3.13"
191406 - 191705 91.16" 39 2.53"
191506 - 191805 85.69" 12 -2.94"
191606 - 191905 83.76" 6 -4.87"
191706 - 192005 86.78" 17 -1.85"
191806 - 192105 92.19" 42 3.56"
191906 - 192205 93.09" 45 4.46"
192006 - 192305 89.97" 34 1.34"
192106 - 192405 89.34" 29 0.71"
192206 - 192505 83.62" 5 -5.01"
192306 - 192605 83.58" 4 -5.05"
192406 - 192705 86.81" 18 -1.82"
192506 - 192805 91.08" 38 2.45"
192606 - 192905 95.02" 50 6.39"
192706 - 193005 89.89" 33 1.26"
192806 - 193105 84.53" 8 -4.10"
192906 - 193205 81.97" 1 -6.66"
193006 - 193305 84.83" 11 -3.80"
193106 - 193405 84.78" 10 -3.85"
193206 - 193505 84.67" 9 -3.96"
193306 - 193605 82.03" 2 -6.60"
193406 - 193705 86.19" 15 -2.44"
193506 - 193805 87.73" 23 -0.90"
193606 - 193905 87.53" 22 -1.10"
193706 - 194005 85.99" 14 -2.64"
193806 - 194105 84.35" 7 -4.28"
193906 - 194205 89.74" 31 1.11"
194006 - 194305 93.99" 48 5.36"
194106 - 194405 93.20" 46 4.57"
194206 - 194505 90.31" 36 1.68"
194306 - 194605 91.26" 40 2.63"
194406 - 194705 92.80" 44 4.17"
194506 - 194805 92.71" 43 4.08"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 17, 2019 from https://www.ncdc.noaa.gov/cag/