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 (150.20")
1901-1911 Base Period
189503 - 190002 144.83" 1 -5.37"
189603 - 190102 148.05" 5 -2.15"
189703 - 190202 145.07" 2 -5.13"
189803 - 190302 148.39" 7 -1.81"
189903 - 190402 146.31" 3 -3.89"
190003 - 190502 146.47" 4 -3.73"
190103 - 190602 148.30" 6 -1.90"
190203 - 190702 153.94" 10 3.74"
190303 - 190802 153.02" 9 2.82"
190403 - 190902 155.51" 11 5.31"
190503 - 191002 157.10" 12 6.90"
190603 - 191102 150.00" 8 -0.20"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2019, retrieved on October 20, 2019 from https://www.ncdc.noaa.gov/cag/