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 (14.48")
1901-1937 Base Period
189512 - 189605 14.94" 25 0.46"
189612 - 189705 14.84" 23 0.36"
189712 - 189805 14.31" 17 -0.17"
189812 - 189905 13.95" 14 -0.53"
189912 - 190005 14.76" 22 0.28"
190012 - 190105 13.26" 8 -1.22"
190112 - 190205 14.36" 18 -0.12"
190212 - 190305 16.24" 39 1.76"
190312 - 190405 13.49" 10 -0.99"
190412 - 190505 16.17" 38 1.69"
190512 - 190605 15.05" 26 0.57"
190612 - 190705 15.67" 33 1.19"
190712 - 190805 16.32" 40 1.84"
190812 - 190905 14.88" 24 0.40"
190912 - 191005 12.53" 4 -1.95"
191012 - 191105 12.79" 6 -1.69"
191112 - 191205 16.42" 42 1.94"
191212 - 191305 14.42" 19 -0.06"
191312 - 191405 13.95" 14 -0.53"
191412 - 191505 15.74" 35 1.26"
191512 - 191605 15.29" 28 0.81"
191612 - 191705 13.98" 16 -0.50"
191712 - 191805 13.05" 7 -1.43"
191812 - 191905 15.53" 32 1.05"
191912 - 192005 14.50" 21 0.02"
192012 - 192105 14.49" 20 0.01"
192112 - 192205 16.36" 41 1.88"
192212 - 192305 15.36" 29 0.88"
192312 - 192405 13.56" 12 -0.92"
192412 - 192505 12.27" 3 -2.21"
192512 - 192605 12.77" 5 -1.71"
192612 - 192705 15.79" 36 1.31"
192712 - 192805 13.45" 9 -1.03"
192812 - 192905 15.37" 30 0.89"
192912 - 193005 13.51" 11 -0.97"
193012 - 193105 11.35" 1 -3.13"
193112 - 193205 15.73" 34 1.25"
193212 - 193305 15.51" 31 1.03"
193312 - 193405 12.05" 2 -2.43"
193412 - 193505 15.21" 27 0.73"
193512 - 193605 13.62" 13 -0.86"
193612 - 193705 15.82" 37 1.34"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/