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 (11.80")
1901-1922 Base Period
189512 - 189604 11.98" 17 0.18"
189612 - 189704 12.72" 24 0.92"
189712 - 189804 11.08" 6 -0.72"
189812 - 189904 11.21" 7 -0.59"
189912 - 190004 12.31" 20 0.51"
190012 - 190104 10.60" 3 -1.20"
190112 - 190204 11.36" 9 -0.44"
190212 - 190304 13.23" 25 1.43"
190312 - 190404 10.90" 5 -0.90"
190412 - 190504 12.43" 23 0.63"
190512 - 190604 11.89" 14 0.09"
190612 - 190704 12.22" 19 0.42"
190712 - 190804 12.19" 18 0.39"
190812 - 190904 11.84" 12 0.04"
190912 - 191004 9.94" 1 -1.86"
191012 - 191104 10.82" 4 -0.98"
191112 - 191204 13.53" 27 1.73"
191212 - 191304 11.91" 15 0.11"
191312 - 191404 11.47" 10 -0.33"
191412 - 191504 11.85" 13 0.05"
191512 - 191604 12.41" 22 0.61"
191612 - 191704 11.34" 8 -0.46"
191712 - 191804 10.46" 2 -1.34"
191812 - 191904 12.33" 21 0.53"
191912 - 192004 11.71" 11 -0.09"
192012 - 192104 11.94" 16 0.14"
192112 - 192204 13.25" 26 1.45"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 16, 2019 from https://www.ncdc.noaa.gov/cag/