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.


Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).

Download: xml csv json
Dates Value Rank Departure From Mean (11.22")
1901-1909 Base Period
189503 - 189506 9.81" 1 -1.41"
189603 - 189606 10.60" 4 -0.62"
189703 - 189706 11.04" 10 -0.18"
189803 - 189806 10.74" 6 -0.48"
189903 - 189906 10.31" 3 -0.91"
190003 - 190006 11.17" 11 -0.05"
190103 - 190106 10.08" 2 -1.14"
190203 - 190206 10.64" 5 -0.58"
190303 - 190306 10.89" 8 -0.33"
190403 - 190406 10.92" 9 -0.30"
190503 - 190506 12.78" 15 1.56"
190603 - 190606 11.54" 13 0.32"
190703 - 190706 11.34" 12 0.12"
190803 - 190806 12.02" 14 0.80"
190903 - 190906 10.76" 7 -0.46"

Citing This Page

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