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 (118.61")
1901-1929 Base Period
189504 - 189903 117.58" 17 -1.03"
189604 - 190003 117.43" 16 -1.18"
189704 - 190103 116.22" 10 -2.39"
189804 - 190203 116.95" 14 -1.66"
189904 - 190303 118.20" 18 -0.41"
190004 - 190403 119.05" 19 0.44"
190104 - 190503 116.63" 13 -1.98"
190204 - 190603 121.14" 24 2.53"
190304 - 190703 121.46" 26 2.85"
190404 - 190803 123.80" 30 5.19"
190504 - 190903 126.54" 31 7.93"
190604 - 191003 122.54" 28 3.93"
190704 - 191103 116.10" 8 -2.51"
190804 - 191203 115.85" 3 -2.76"
190904 - 191303 116.03" 7 -2.58"
191004 - 191403 115.90" 4 -2.71"
191104 - 191503 119.40" 20 0.79"
191204 - 191603 122.35" 27 3.74"
191304 - 191703 119.56" 21 0.95"
191404 - 191803 115.90" 4 -2.71"
191504 - 191903 116.55" 12 -2.06"
191604 - 192003 114.22" 2 -4.39"
191704 - 192103 117.11" 15 -1.50"
191804 - 192203 122.57" 29 3.96"
191904 - 192303 121.19" 25 2.58"
192004 - 192403 121.10" 23 2.49"
192104 - 192503 116.10" 8 -2.51"
192204 - 192603 113.84" 1 -4.77"
192304 - 192703 116.46" 11 -2.15"
192404 - 192803 115.94" 6 -2.67"
192504 - 192903 121.02" 22 2.41"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 23, 2019 from https://www.ncdc.noaa.gov/cag/