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 (6.71")
1901-1907 Base Period
189512 - 189602 6.98" 10 0.27"
189612 - 189702 6.68" 8 -0.03"
189712 - 189802 6.64" 7 -0.07"
189812 - 189902 6.61" 4 -0.10"
189912 - 190002 6.62" 6 -0.09"
190012 - 190102 5.78" 2 -0.93"
190112 - 190202 6.61" 4 -0.10"
190212 - 190302 8.23" 12 1.52"
190312 - 190402 5.68" 1 -1.03"
190412 - 190502 6.69" 9 -0.02"
190512 - 190602 6.55" 3 -0.16"
190612 - 190702 7.45" 11 0.74"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/