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 (44.54")
1901-1911 Base Period
189512 - 189705 45.64" 11 1.10"
189612 - 189805 42.95" 5 -1.59"
189712 - 189905 44.36" 8 -0.18"
189812 - 190005 42.83" 3 -1.71"
189912 - 190105 44.59" 9 0.05"
190012 - 190205 41.05" 2 -3.49"
190112 - 190305 46.54" 12 2.00"
190212 - 190405 44.34" 7 -0.20"
190312 - 190505 43.40" 6 -1.14"
190412 - 190605 47.51" 14 2.97"
190512 - 190705 47.93" 15 3.39"
190612 - 190805 47.45" 13 2.91"
190712 - 190905 45.64" 11 1.10"
190812 - 191005 42.85" 4 -1.69"
190912 - 191105 38.61" 1 -5.93"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 21, 2019 from https://www.ncdc.noaa.gov/cag/