Climate at a Glance

National Time Series

Choose from the options below and click "Plot" to create a time series graph.
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 (15.95")
1901-1922 Base Period
189510 - 189604 15.35" 9 -0.60"
189610 - 189704 17.94" 24 1.99"
189710 - 189804 15.20" 8 -0.75"
189810 - 189904 15.97" 14 0.02"
189910 - 190004 16.71" 20 0.76"
190010 - 190104 15.72" 12 -0.23"
190110 - 190204 14.32" 2 -1.63"
190210 - 190304 18.15" 27 2.20"
190310 - 190404 14.50" 4 -1.45"
190410 - 190504 15.11" 7 -0.84"
190510 - 190604 16.25" 15 0.30"
190610 - 190704 16.79" 21 0.84"
190710 - 190804 16.47" 19 0.52"
190810 - 190904 15.54" 10 -0.41"
190910 - 191004 14.43" 3 -1.52"
191010 - 191104 14.62" 5 -1.33"
191110 - 191204 18.13" 26 2.18"
191210 - 191304 15.56" 11 -0.39"
191310 - 191404 16.30" 16 0.35"
191410 - 191504 15.87" 13 -0.08"
191510 - 191604 16.36" 17 0.41"
191610 - 191704 14.95" 6 -1.00"
191710 - 191804 12.79" 1 -3.16"
191810 - 191904 17.57" 23 1.62"
191910 - 192004 17.96" 25 2.01"
192010 - 192104 16.37" 18 0.42"
192110 - 192204 17.12" 22 1.17"

Citing This Page

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