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 (43.11")
1901-1905 Base Period
189511 - 189704 45.81" 9 2.70"
189611 - 189804 42.79" 4 -0.32"
189711 - 189904 43.91" 5 0.80"
189811 - 190004 42.64" 3 -0.47"
189911 - 190104 43.92" 6 0.81"
190011 - 190204 40.42" 1 -2.69"
190111 - 190304 44.98" 8 1.87"
190211 - 190404 44.74" 7 1.63"
190311 - 190504 41.49" 2 -1.62"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/