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
Date Value Rank Departure From Mean (2.29")
1901-1907 Base Period
189502 1.41" 1 -0.88"
189602 2.05" 5 -0.24"
189702 2.79" 12 0.50"
189802 1.65" 2 -0.64"
189902 2.28" 7 -0.01"
190002 2.52" 10 0.23"
190102 2.13" 6 -0.16"
190202 2.56" 11 0.27"
190302 3.03" 13 0.74"
190402 2.43" 9 0.14"
190502 2.35" 8 0.06"
190602 1.72" 3 -0.57"
190702 1.82" 4 -0.47"

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/