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
Dates Value Rank Departure From Mean (16.65")
1901-1919 Base Period
189511 - 189605 17.23" 15 0.58"
189611 - 189705 17.91" 20 1.26"
189711 - 189805 16.60" 12 -0.05"
189811 - 189905 16.21" 9 -0.44"
189911 - 190005 16.75" 13 0.10"
190011 - 190105 15.63" 6 -1.02"
190111 - 190205 15.81" 7 -0.84"
190211 - 190305 19.23" 24 2.58"
190311 - 190405 15.32" 3 -1.33"
190411 - 190505 17.19" 14 0.54"
190511 - 190605 17.24" 16 0.59"
190611 - 190705 18.16" 21 1.51"
190711 - 190805 18.57" 23 1.92"
190811 - 190905 16.55" 11 -0.10"
190911 - 191005 15.48" 4 -1.17"
191011 - 191105 14.55" 2 -2.10"
191111 - 191205 18.53" 22 1.88"
191211 - 191305 15.94" 8 -0.71"
191311 - 191405 16.26" 10 -0.39"
191411 - 191505 17.25" 17 0.60"
191511 - 191605 17.39" 18 0.74"
191611 - 191705 15.49" 5 -1.16"
191711 - 191805 14.00" 1 -2.65"
191811 - 191905 17.85" 19 1.20"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 18, 2019 from https://www.ncdc.noaa.gov/cag/