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 (21.75")
1901-1915 Base Period
189510 - 189606 20.95" 6 -0.80"
189610 - 189706 22.94" 16 1.19"
189710 - 189806 21.50" 8 -0.25"
189810 - 189906 21.68" 10 -0.07"
189910 - 190006 22.19" 13 0.44"
190010 - 190106 20.98" 7 -0.77"
190110 - 190206 20.21" 4 -1.54"
190210 - 190306 24.04" 20 2.29"
190310 - 190406 20.20" 3 -1.55"
190410 - 190506 22.15" 12 0.40"
190510 - 190606 22.45" 14 0.70"
190610 - 190706 23.36" 17 1.61"
190710 - 190806 23.62" 18 1.87"
190810 - 190906 21.81" 11 0.06"
190910 - 191006 19.50" 2 -2.25"
191010 - 191106 18.79" 1 -2.96"
191110 - 191206 23.73" 19 1.98"
191210 - 191306 20.78" 5 -0.97"
191310 - 191406 21.63" 9 -0.12"
191410 - 191506 22.94" 16 1.19"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2019, retrieved on November 12, 2019 from https://www.ncdc.noaa.gov/cag/