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 (2.47")
1901-1920 Base Period
189504 1.99" 3 -0.48"
189604 2.59" 17 0.12"
189704 2.42" 15 -0.05"
189804 2.02" 5 -0.45"
189904 1.78" 1 -0.69"
190004 3.41" 26 0.94"
190104 2.53" 16 0.06"
190204 1.85" 2 -0.62"
190304 1.99" 3 -0.48"
190404 2.12" 10 -0.35"
190504 2.80" 21 0.33"
190604 2.08" 8 -0.39"
190704 2.32" 12 -0.15"
190804 2.69" 19 0.22"
190904 2.28" 11 -0.19"
191004 2.06" 7 -0.41"
191104 2.85" 23 0.38"
191204 3.34" 25 0.87"
191304 2.05" 6 -0.42"
191404 2.73" 20 0.26"
191504 2.32" 12 -0.15"
191604 2.09" 9 -0.38"
191704 2.68" 18 0.21"
191804 2.82" 22 0.35"
191904 2.41" 14 -0.06"
192004 3.30" 24 0.83"

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/