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 (27.82")
1901-1910 Base Period
189505 - 189603 25.70" 3 -2.12"
189605 - 189703 29.12" 12 1.30"
189705 - 189803 24.98" 1 -2.84"
189805 - 189903 28.76" 11 0.94"
189905 - 190003 25.76" 4 -2.06"
190005 - 190103 27.09" 8 -0.73"
190105 - 190203 25.60" 2 -2.22"
190205 - 190303 30.18" 14 2.36"
190305 - 190403 26.40" 7 -1.42"
190405 - 190503 25.96" 5 -1.86"
190505 - 190603 29.84" 13 2.02"
190605 - 190703 30.27" 15 2.45"
190705 - 190803 28.41" 10 0.59"
190805 - 190903 28.13" 9 0.31"
190905 - 191003 26.36" 6 -1.46"

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/