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 (120.25")
1901-1910 Base Period
189504 - 189903 117.58" 5 -2.67"
189604 - 190003 117.43" 4 -2.82"
189704 - 190103 116.22" 1 -4.03"
189804 - 190203 116.95" 3 -3.30"
189904 - 190303 118.20" 6 -2.05"
190004 - 190403 119.05" 7 -1.20"
190104 - 190503 116.63" 2 -3.62"
190204 - 190603 121.14" 8 0.89"
190304 - 190703 121.46" 9 1.21"
190404 - 190803 123.80" 11 3.55"
190504 - 190903 126.54" 12 6.29"
190604 - 191003 122.54" 10 2.29"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/