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 (5.11")
1901-1905 Base Period
189503 - 189504 3.98" 1 -1.13"
189603 - 189604 5.00" 7 -0.11"
189703 - 189704 6.04" 11 0.93"
189803 - 189804 4.44" 2 -0.67"
189903 - 189904 4.60" 3 -0.51"
190003 - 190004 5.69" 9 0.58"
190103 - 190104 4.82" 5 -0.29"
190203 - 190204 4.75" 4 -0.36"
190303 - 190304 5.00" 7 -0.11"
190403 - 190404 5.22" 8 0.11"
190503 - 190504 5.74" 10 0.63"

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/