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 (26.58")
1901-1937 Base Period
189507 - 189605 25.42" 13 -1.16"
189607 - 189705 28.06" 33 1.48"
189707 - 189805 25.23" 11 -1.35"
189807 - 189905 26.98" 25 0.40"
189907 - 190005 25.91" 16 -0.67"
190007 - 190105 26.80" 24 0.22"
190107 - 190205 25.19" 8 -1.39"
190207 - 190305 29.29" 39 2.71"
190307 - 190405 25.22" 10 -1.36"
190407 - 190505 26.80" 24 0.22"
190507 - 190605 28.04" 32 1.46"
190607 - 190705 29.84" 41 3.26"
190707 - 190805 28.66" 37 2.08"
190807 - 190905 26.30" 17 -0.28"
190907 - 191005 24.74" 6 -1.84"
191007 - 191105 23.60" 5 -2.98"
191107 - 191205 29.69" 40 3.11"
191207 - 191305 26.62" 22 0.04"
191307 - 191405 26.45" 19 -0.13"
191407 - 191505 27.56" 28 0.98"
191507 - 191605 29.01" 38 2.43"
191607 - 191705 25.32" 12 -1.26"
191707 - 191805 22.50" 2 -4.08"
191807 - 191905 28.01" 31 1.43"
191907 - 192005 28.61" 36 2.03"
192007 - 192105 27.46" 27 0.88"
192107 - 192205 28.26" 35 1.68"
192207 - 192305 25.76" 15 -0.82"
192307 - 192405 26.42" 18 -0.16"
192407 - 192505 22.67" 3 -3.91"
192507 - 192605 25.51" 14 -1.07"
192607 - 192705 30.46" 42 3.88"
192707 - 192805 26.59" 21 0.01"
192807 - 192905 28.08" 34 1.50"
192907 - 193005 25.19" 8 -1.39"
193007 - 193105 22.02" 1 -4.56"
193107 - 193205 27.66" 30 1.08"
193207 - 193305 27.62" 29 1.04"
193307 - 193405 22.85" 4 -3.73"
193407 - 193505 27.10" 26 0.52"
193507 - 193605 24.85" 7 -1.73"
193607 - 193705 26.55" 20 -0.03"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/