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.


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Download: xml csv json
Date Value Rank Departure From Mean (2.91")
1901-2000 Base Period
199005 3.83" 27 0.92"
199105 3.72" 26 0.81"
199205 2.29" 1 -0.62"
199305 2.94" 14 0.03"
199405 2.43" 3 -0.48"
199505 4.10" 28 1.19"
199605 3.32" 21 0.41"
199705 2.78" 10 -0.13"
199805 2.62" 5 -0.29"
199905 2.91" 13 0.00"
200005 2.66" 7 -0.25"
200105 2.78" 10 -0.13"
200205 2.64" 6 -0.27"
200305 3.27" 18 0.36"
200405 3.34" 22 0.43"
200505 2.76" 9 -0.15"
200605 2.29" 1 -0.62"
200705 2.75" 8 -0.16"
200805 3.00" 15 0.09"
200905 3.31" 19 0.40"
201005 3.32" 21 0.41"
201105 3.43" 25 0.52"
201205 2.50" 4 -0.41"
201305 3.35" 23 0.44"
201405 2.81" 12 -0.10"
201505 4.44" 30 1.53"
201605 3.07" 17 0.16"
201705 3.36" 24 0.45"
201805 3.02" 16 0.11"
201905 4.43" 29 1.52"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published July 2019, retrieved on July 23, 2019 from https://www.ncdc.noaa.gov/cag/