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 (29.47")
1901-1931 Base Period
189511 - 189610 30.02" 21 0.55"
189611 - 189710 29.42" 17 -0.05"
189711 - 189810 30.44" 22 0.97"
189811 - 189910 28.34" 11 -1.13"
189911 - 190010 30.95" 25 1.48"
190011 - 190110 27.61" 8 -1.86"
190111 - 190210 28.76" 12 -0.71"
190211 - 190310 32.01" 33 2.54"
190311 - 190410 28.04" 10 -1.43"
190411 - 190510 31.29" 27 1.82"
190511 - 190610 31.96" 32 2.49"
190611 - 190710 31.37" 29 1.90"
190711 - 190810 31.34" 28 1.87"
190811 - 190910 29.04" 14 -0.43"
190911 - 191010 27.01" 5 -2.46"
191011 - 191110 27.91" 9 -1.56"
191111 - 191210 31.92" 31 2.45"
191211 - 191310 28.84" 13 -0.63"
191311 - 191410 29.42" 17 -0.05"
191411 - 191510 32.05" 34 2.58"
191511 - 191610 30.46" 23 0.99"
191611 - 191710 26.43" 4 -3.04"
191711 - 191810 26.41" 3 -3.06"
191811 - 191910 32.13" 35 2.66"
191911 - 192010 30.90" 24 1.43"
192011 - 192110 29.14" 15 -0.33"
192111 - 192210 29.79" 19 0.32"
192211 - 192310 31.72" 30 2.25"
192311 - 192410 27.24" 7 -2.23"
192411 - 192510 27.13" 6 -2.34"
192511 - 192610 29.22" 16 -0.25"
192611 - 192710 32.17" 36 2.70"
192711 - 192810 31.04" 26 1.57"
192811 - 192910 29.87" 20 0.40"
192911 - 193010 26.19" 2 -3.28"
193011 - 193110 25.16" 1 -4.31"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 18, 2019 from https://www.ncdc.noaa.gov/cag/