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 (88.85")
1901-1931 Base Period
189511 - 189810 89.88" 22 1.03"
189611 - 189910 88.20" 12 -0.65"
189711 - 190010 89.73" 20 0.88"
189811 - 190110 86.90" 8 -1.95"
189911 - 190210 87.32" 10 -1.53"
190011 - 190310 88.38" 13 -0.47"
190111 - 190410 88.81" 17 -0.04"
190211 - 190510 91.34" 27 2.49"
190311 - 190610 91.29" 26 2.44"
190411 - 190710 94.62" 33 5.77"
190511 - 190810 94.67" 34 5.82"
190611 - 190910 91.75" 28 2.90"
190711 - 191010 87.39" 11 -1.46"
190811 - 191110 83.96" 4 -4.89"
190911 - 191210 86.84" 7 -2.01"
191011 - 191310 88.67" 15 -0.18"
191111 - 191410 90.18" 23 1.33"
191211 - 191510 90.31" 24 1.46"
191311 - 191610 91.93" 29 3.08"
191411 - 191710 88.94" 18 0.09"
191511 - 191810 83.30" 2 -5.55"
191611 - 191910 84.97" 5 -3.88"
191711 - 192010 89.44" 19 0.59"
191811 - 192110 92.17" 30 3.32"
191911 - 192210 89.83" 21 0.98"
192011 - 192310 90.65" 25 1.80"
192111 - 192410 88.75" 16 -0.10"
192211 - 192510 86.09" 6 -2.76"
192311 - 192610 83.59" 3 -5.26"
192411 - 192710 88.52" 14 -0.33"
192511 - 192810 92.43" 31 3.58"
192611 - 192910 93.08" 32 4.23"
192711 - 193010 87.10" 9 -1.75"
192811 - 193110 81.22" 1 -7.63"

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/