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 (9.45")
1901-1920 Base Period
189501 - 189504 8.71" 3 -0.74"
189601 - 189604 9.45" 12 0.00"
189701 - 189704 11.22" 26 1.77"
189801 - 189804 8.52" 2 -0.93"
189901 - 189904 9.49" 14 0.04"
190001 - 190004 9.95" 21 0.50"
190101 - 190104 8.94" 6 -0.51"
190201 - 190204 8.76" 4 -0.69"
190301 - 190304 10.30" 24 0.85"
190401 - 190404 9.46" 13 0.01"
190501 - 190504 10.27" 23 0.82"
190601 - 190604 9.59" 16 0.14"
190701 - 190704 9.34" 10 -0.11"
190801 - 190804 9.50" 15 0.05"
190901 - 190904 10.11" 22 0.66"
191001 - 191004 7.34" 1 -2.11"
191101 - 191104 9.13" 7 -0.32"
191201 - 191204 10.58" 25 1.13"
191301 - 191304 9.81" 19 0.36"
191401 - 191404 9.16" 8 -0.29"
191501 - 191504 9.35" 11 -0.10"
191601 - 191604 9.78" 18 0.33"
191701 - 191704 9.16" 8 -0.29"
191801 - 191804 8.80" 5 -0.65"
191901 - 191904 9.67" 17 0.22"
192001 - 192004 9.90" 20 0.45"

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/