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 (7.09")
1901-1910 Base Period
189501 - 189503 6.72" 5 -0.37"
189601 - 189603 6.86" 7 -0.23"
189701 - 189703 8.80" 16 1.71"
189801 - 189803 6.50" 3 -0.59"
189901 - 189903 7.71" 13 0.62"
190001 - 190003 6.54" 4 -0.55"
190101 - 190103 6.41" 2 -0.68"
190201 - 190203 6.91" 8 -0.18"
190301 - 190303 8.31" 15 1.22"
190401 - 190403 7.34" 10 0.25"
190501 - 190503 7.47" 11 0.38"
190601 - 190603 7.51" 12 0.42"
190701 - 190703 7.02" 9 -0.07"
190801 - 190803 6.81" 6 -0.28"
190901 - 190903 7.83" 14 0.74"
191001 - 191003 5.28" 1 -1.81"

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/