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 (11.70")
1901-1905 Base Period
189512 - 189604 11.98" 6 0.28"
189612 - 189704 12.72" 9 1.02"
189712 - 189804 11.08" 3 -0.62"
189812 - 189904 11.21" 4 -0.49"
189912 - 190004 12.31" 7 0.61"
190012 - 190104 10.60" 1 -1.10"
190112 - 190204 11.36" 5 -0.34"
190212 - 190304 13.23" 10 1.53"
190312 - 190404 10.90" 2 -0.80"
190412 - 190504 12.43" 8 0.73"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/