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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Download: xml csv json
Dates Value Rank Departure From Mean (12.39")
1901-1919 Base Period
189501 - 189505 11.59" 4 -0.80"
189601 - 189605 12.41" 14 0.02"
189701 - 189705 13.34" 22 0.95"
189801 - 189805 11.75" 7 -0.64"
189901 - 189905 12.23" 11 -0.16"
190001 - 190005 12.40" 13 0.01"
190101 - 190105 11.60" 5 -0.79"
190201 - 190205 11.76" 8 -0.63"
190301 - 190305 13.31" 21 0.92"
190401 - 190405 12.05" 10 -0.34"
190501 - 190505 14.01" 25 1.62"
190601 - 190605 12.75" 16 0.36"
190701 - 190705 12.79" 17 0.40"
190801 - 190805 13.63" 24 1.24"
190901 - 190905 13.15" 19 0.76"
191001 - 191005 9.93" 1 -2.46"
191101 - 191105 11.10" 2 -1.29"
191201 - 191205 13.47" 23 1.08"
191301 - 191305 12.32" 12 -0.07"
191401 - 191405 11.64" 6 -0.75"
191501 - 191505 13.24" 20 0.85"
191601 - 191605 12.66" 15 0.27"
191701 - 191705 11.80" 9 -0.59"
191801 - 191805 11.39" 3 -1.00"
191901 - 191905 12.87" 18 0.48"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 22, 2019 from https://www.ncdc.noaa.gov/cag/