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 (29.60")
1901-1925 Base Period
189511 - 189610 30.02" 17 0.42"
189611 - 189710 29.42" 14 -0.18"
189711 - 189810 30.44" 18 0.84"
189811 - 189910 28.34" 9 -1.26"
189911 - 190010 30.95" 21 1.35"
190011 - 190110 27.61" 6 -1.99"
190111 - 190210 28.76" 10 -0.84"
190211 - 190310 32.01" 28 2.41"
190311 - 190410 28.04" 8 -1.56"
190411 - 190510 31.29" 22 1.69"
190511 - 190610 31.96" 27 2.36"
190611 - 190710 31.37" 24 1.77"
190711 - 190810 31.34" 23 1.74"
190811 - 190910 29.04" 12 -0.56"
190911 - 191010 27.01" 3 -2.59"
191011 - 191110 27.91" 7 -1.69"
191111 - 191210 31.92" 26 2.32"
191211 - 191310 28.84" 11 -0.76"
191311 - 191410 29.42" 14 -0.18"
191411 - 191510 32.05" 29 2.45"
191511 - 191610 30.46" 19 0.86"
191611 - 191710 26.43" 2 -3.17"
191711 - 191810 26.41" 1 -3.19"
191811 - 191910 32.13" 30 2.53"
191911 - 192010 30.90" 20 1.30"
192011 - 192110 29.14" 13 -0.46"
192111 - 192210 29.79" 16 0.19"
192211 - 192310 31.72" 25 2.12"
192311 - 192410 27.24" 5 -2.36"
192411 - 192510 27.13" 4 -2.47"

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/