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 (26.88")
1901-1929 Base Period
189507 - 189605 25.42" 9 -1.46"
189607 - 189705 28.06" 25 1.18"
189707 - 189805 25.23" 7 -1.65"
189807 - 189905 26.98" 20 0.10"
189907 - 190005 25.91" 12 -0.97"
190007 - 190105 26.80" 19 -0.08"
190107 - 190205 25.19" 5 -1.69"
190207 - 190305 29.29" 31 2.41"
190307 - 190405 25.22" 6 -1.66"
190407 - 190505 26.80" 19 -0.08"
190507 - 190605 28.04" 24 1.16"
190607 - 190705 29.84" 33 2.96"
190707 - 190805 28.66" 29 1.78"
190807 - 190905 26.30" 13 -0.58"
190907 - 191005 24.74" 4 -2.14"
191007 - 191105 23.60" 3 -3.28"
191107 - 191205 29.69" 32 2.81"
191207 - 191305 26.62" 17 -0.26"
191307 - 191405 26.45" 15 -0.43"
191407 - 191505 27.56" 22 0.68"
191507 - 191605 29.01" 30 2.13"
191607 - 191705 25.32" 8 -1.56"
191707 - 191805 22.50" 1 -4.38"
191807 - 191905 28.01" 23 1.13"
191907 - 192005 28.61" 28 1.73"
192007 - 192105 27.46" 21 0.58"
192107 - 192205 28.26" 27 1.38"
192207 - 192305 25.76" 11 -1.12"
192307 - 192405 26.42" 14 -0.46"
192407 - 192505 22.67" 2 -4.21"
192507 - 192605 25.51" 10 -1.37"
192607 - 192705 30.46" 34 3.58"
192707 - 192805 26.59" 16 -0.29"
192807 - 192905 28.08" 26 1.20"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/