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 (59.63")
1901-1915 Base Period
189507 - 189706 59.00" 10 -0.63"
189607 - 189806 59.24" 11 -0.39"
189707 - 189906 58.25" 5 -1.38"
189807 - 190006 58.89" 9 -0.74"
189907 - 190106 58.34" 6 -1.29"
190007 - 190206 57.48" 3 -2.15"
190107 - 190306 60.25" 13 0.62"
190207 - 190406 60.50" 14 0.87"
190307 - 190506 58.43" 7 -1.20"
190407 - 190606 61.18" 15 1.55"
190507 - 190706 64.04" 18 4.41"
190607 - 190806 64.64" 19 5.01"
190707 - 190906 61.21" 16 1.58"
190807 - 191006 56.75" 2 -2.88"
190907 - 191106 53.02" 1 -6.61"
191007 - 191206 58.20" 4 -1.43"
191107 - 191306 61.73" 17 2.10"
191207 - 191406 58.63" 8 -1.00"
191307 - 191506 60.04" 12 0.41"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/