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
Date Value Rank Departure From Mean (2.89")
1901-1915 Base Period
189506 2.95" 11 0.06"
189606 2.64" 4 -0.25"
189706 2.88" 8 -0.01"
189806 3.07" 16 0.18"
189906 2.97" 12 0.08"
190006 3.03" 14 0.14"
190106 2.60" 3 -0.29"
190206 2.89" 10 0.00"
190306 2.88" 8 -0.01"
190406 3.11" 17 0.22"
190506 3.30" 21 0.41"
190606 3.04" 15 0.15"
190706 3.12" 18 0.23"
190806 3.02" 13 0.13"
190906 3.23" 20 0.34"
191006 2.48" 2 -0.41"
191106 2.20" 1 -0.69"
191206 2.71" 5 -0.18"
191306 2.71" 5 -0.18"
191406 2.85" 7 -0.04"
191506 3.18" 19 0.29"

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/