Figure : colorado-palmer-drought-severity-index

Colorado Palmer Drought Severity Index

Figure 6.8

Cooperative Institute for Climate and Satellites - NC
Kenneth E. Kunkel

This figure appears in chapter 6 of the NOAA-led State Summaries 2017 report.

Time series of the Palmer Drought Severity Index for the summer (June–August) from the year 1000 to 2014. Values for 1895–2014 (red) are based on observed temperature and precipitation. Values prior to 1895 (blue) are estimated from moisture-sensitive tree rings. The thick black line is a running 20-year average. In the modern era, the wet periods of the early 1900s and the 1980s–1990s and the dry period of the 1950s are evident. The extended record indicates periodic occurrences of even more extreme wet and dry periods. Source: NOAA NCEI: North American Drought Atlas version 2 and climate division dataset version 2.

Free to use with credit to the original figure source.

The time range for this figure is January 01, 1000 (00:00 AM) to December 31, 2013 (00:00 AM).

This figure was created on June 05, 2015.

The spatial range for this figure is 36.9923° to 41.0035° latitude, and -102.0415° to -109.0604° longitude.

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