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 (89.14")
1901-1925 Base Period
189511 - 189810 89.88" 18 0.74"
189611 - 189910 88.20" 9 -0.94"
189711 - 190010 89.73" 16 0.59"
189811 - 190110 86.90" 6 -2.24"
189911 - 190210 87.32" 7 -1.82"
190011 - 190310 88.38" 10 -0.76"
190111 - 190410 88.81" 13 -0.33"
190211 - 190510 91.34" 23 2.20"
190311 - 190610 91.29" 22 2.15"
190411 - 190710 94.62" 27 5.48"
190511 - 190810 94.67" 28 5.53"
190611 - 190910 91.75" 24 2.61"
190711 - 191010 87.39" 8 -1.75"
190811 - 191110 83.96" 2 -5.18"
190911 - 191210 86.84" 5 -2.30"
191011 - 191310 88.67" 11 -0.47"
191111 - 191410 90.18" 19 1.04"
191211 - 191510 90.31" 20 1.17"
191311 - 191610 91.93" 25 2.79"
191411 - 191710 88.94" 14 -0.20"
191511 - 191810 83.30" 1 -5.84"
191611 - 191910 84.97" 3 -4.17"
191711 - 192010 89.44" 15 0.30"
191811 - 192110 92.17" 26 3.03"
191911 - 192210 89.83" 17 0.69"
192011 - 192310 90.65" 21 1.51"
192111 - 192410 88.75" 12 -0.39"
192211 - 192510 86.09" 4 -3.05"

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/