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 (149.97")
1901-1910 Base Period
189504 - 190003 145.12" 2 -4.85"
189604 - 190103 147.93" 5 -2.04"
189704 - 190203 144.35" 1 -5.62"
189804 - 190303 148.98" 6 -0.99"
189904 - 190403 146.59" 3 -3.38"
190004 - 190503 147.13" 4 -2.84"
190104 - 190603 149.27" 7 -0.70"
190204 - 190703 153.49" 9 3.52"
190304 - 190803 152.19" 8 2.22"
190404 - 190903 154.62" 10 4.65"
190504 - 191003 155.18" 11 5.21"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 14, 2019 from https://www.ncdc.noaa.gov/cag/