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 (15.94")
1901-1910 Base Period
189509 - 189603 14.34" 1 -1.60"
189609 - 189703 18.30" 14 2.36"
189709 - 189803 14.75" 5 -1.19"
189809 - 189903 16.52" 11 0.58"
189909 - 190003 14.84" 6 -1.10"
190009 - 190103 16.12" 9 0.18"
190109 - 190203 15.05" 7 -0.89"
190209 - 190303 18.90" 15 2.96"
190309 - 190403 14.50" 2 -1.44"
190409 - 190503 14.64" 3 -1.30"
190509 - 190603 16.74" 12 0.80"
190609 - 190703 17.38" 13 1.44"
190709 - 190803 16.29" 10 0.35"
190809 - 190903 15.09" 8 -0.85"
190909 - 191003 14.65" 4 -1.29"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/