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 (30.23")
1901-1910 Base Period
189504 - 189603 27.69" 3 -2.54"
189604 - 189703 31.71" 12 1.48"
189704 - 189803 27.40" 1 -2.83"
189804 - 189903 30.78" 10 0.55"
189904 - 190003 27.54" 2 -2.69"
190004 - 190103 30.50" 8 0.27"
190104 - 190203 28.13" 5 -2.10"
190204 - 190303 32.03" 13 1.80"
190304 - 190403 28.39" 6 -1.84"
190404 - 190503 28.08" 4 -2.15"
190504 - 190603 32.64" 15 2.41"
190604 - 190703 32.35" 14 2.12"
190704 - 190803 30.73" 9 0.50"
190804 - 190903 30.82" 11 0.59"
190904 - 191003 28.64" 7 -1.59"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 18, 2019 from https://www.ncdc.noaa.gov/cag/