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 (18.69")
1901-1942 Base Period
189510 - 189605 18.31" 17 -0.38"
189610 - 189705 20.06" 36 1.37"
189710 - 189805 18.43" 19 -0.26"
189810 - 189905 18.71" 22 0.02"
189910 - 190005 19.16" 28 0.47"
190010 - 190105 18.38" 18 -0.31"
190110 - 190205 17.32" 11 -1.37"
190210 - 190305 21.16" 47 2.47"
190310 - 190405 17.09" 9 -1.60"
190410 - 190505 18.85" 24 0.16"
190510 - 190605 19.41" 31 0.72"
190610 - 190705 20.24" 39 1.55"
190710 - 190805 20.60" 41 1.91"
190810 - 190905 18.58" 21 -0.11"
190910 - 191005 17.02" 8 -1.67"
191010 - 191105 16.59" 5 -2.10"
191110 - 191205 21.02" 45 2.33"
191210 - 191305 18.07" 15 -0.62"
191310 - 191405 18.78" 23 0.09"
191410 - 191505 19.76" 33 1.07"
191510 - 191605 19.24" 30 0.55"
191610 - 191705 17.59" 12 -1.10"
191710 - 191805 15.38" 3 -3.31"
191810 - 191905 20.77" 43 2.08"
191910 - 192005 20.75" 42 2.06"
192010 - 192105 18.92" 25 0.23"
192110 - 192205 20.23" 38 1.54"
192210 - 192305 19.17" 29 0.48"
192310 - 192405 17.97" 14 -0.72"
192410 - 192505 15.17" 2 -3.52"
192510 - 192605 17.92" 13 -0.77"
192610 - 192705 21.15" 46 2.46"
192710 - 192805 18.55" 20 -0.14"
192810 - 192905 19.75" 32 1.06"
192910 - 193005 18.07" 15 -0.62"
193010 - 193105 15.94" 4 -2.75"
193110 - 193205 20.17" 37 1.48"
193210 - 193305 20.01" 35 1.32"
193310 - 193405 14.76" 1 -3.93"
193410 - 193505 19.90" 34 1.21"
193510 - 193605 17.28" 10 -1.41"
193610 - 193705 19.04" 26 0.35"
193710 - 193805 20.95" 44 2.26"
193810 - 193905 16.87" 6 -1.82"
193910 - 194005 16.91" 7 -1.78"
194010 - 194105 19.14" 27 0.45"
194110 - 194205 20.34" 40 1.65"

Citing This Page

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