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 (23.79")
1901-1937 Base Period
189508 - 189605 22.42" 11 -1.37"
189608 - 189705 24.84" 28 1.05"
189708 - 189805 22.30" 10 -1.49"
189808 - 189905 24.10" 24 0.31"
189908 - 190005 22.96" 16 -0.83"
190008 - 190105 23.73" 20 -0.06"
190108 - 190205 22.87" 14 -0.92"
190208 - 190305 26.20" 39 2.41"
190308 - 190405 22.25" 9 -1.54"
190408 - 190505 23.87" 23 0.08"
190508 - 190605 24.52" 26 0.73"
190608 - 190705 26.54" 40 2.75"
190708 - 190805 25.66" 37 1.87"
190808 - 190905 23.29" 17 -0.50"
190908 - 191005 21.71" 6 -2.08"
191008 - 191105 21.01" 5 -2.78"
191108 - 191205 26.83" 41 3.04"
191208 - 191305 23.63" 18 -0.16"
191308 - 191405 23.81" 22 0.02"
191408 - 191505 25.11" 33 1.32"
191508 - 191605 25.44" 35 1.65"
191608 - 191705 22.10" 7 -1.69"
191708 - 191805 19.99" 1 -3.80"
191808 - 191905 25.68" 38 1.89"
191908 - 192005 25.57" 36 1.78"
192008 - 192105 24.76" 27 0.97"
192108 - 192205 25.40" 34 1.61"
192208 - 192305 22.87" 14 -0.92"
192308 - 192405 23.72" 19 -0.07"
192408 - 192505 20.30" 4 -3.49"
192508 - 192605 22.86" 13 -0.93"
192608 - 192705 27.60" 42 3.81"
192708 - 192805 23.75" 21 -0.04"
192808 - 192905 25.01" 30 1.22"
192908 - 193005 22.62" 12 -1.17"
193008 - 193105 20.23" 3 -3.56"
193108 - 193205 24.95" 29 1.16"
193208 - 193305 25.02" 31 1.23"
193308 - 193405 20.02" 2 -3.77"
193408 - 193505 25.03" 32 1.24"
193508 - 193605 22.20" 8 -1.59"
193608 - 193705 24.24" 25 0.45"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/