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 (23.79")
1901-1911 Base Period
189508 - 189605 22.42" 5 -1.37"
189608 - 189705 24.84" 13 1.05"
189708 - 189805 22.30" 4 -1.49"
189808 - 189905 24.10" 11 0.31"
189908 - 190005 22.96" 7 -0.83"
190008 - 190105 23.73" 9 -0.06"
190108 - 190205 22.87" 6 -0.92"
190208 - 190305 26.20" 15 2.41"
190308 - 190405 22.25" 3 -1.54"
190408 - 190505 23.87" 10 0.08"
190508 - 190605 24.52" 12 0.73"
190608 - 190705 26.54" 16 2.75"
190708 - 190805 25.66" 14 1.87"
190808 - 190905 23.29" 8 -0.50"
190908 - 191005 21.71" 2 -2.08"
191008 - 191105 21.01" 1 -2.78"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/