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 (17.64")
1901-1915 Base Period
189512 - 189606 17.58" 10 -0.06"
189612 - 189706 17.72" 11 0.08"
189712 - 189806 17.38" 9 -0.26"
189812 - 189906 16.92" 6 -0.72"
189912 - 190006 17.79" 12 0.15"
190012 - 190106 15.86" 3 -1.78"
190112 - 190206 17.25" 8 -0.39"
190212 - 190306 19.12" 17 1.48"
190312 - 190406 16.60" 4 -1.04"
190412 - 190506 19.47" 20 1.83"
190512 - 190606 18.09" 13 0.45"
190612 - 190706 18.79" 15 1.15"
190712 - 190806 19.34" 19 1.70"
190812 - 190906 18.11" 14 0.47"
190912 - 191006 15.01" 2 -2.63"
191012 - 191106 14.99" 1 -2.65"
191112 - 191206 19.13" 18 1.49"
191212 - 191306 17.13" 7 -0.51"
191312 - 191406 16.80" 5 -0.84"
191412 - 191506 18.92" 16 1.28"

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/