Auxiliary material for this article contains three figures illustrating some comparisons made of the PRISM temperature data used in the study with a new version of the USDA/NRCS SNOTEL temperature data set.

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grl23680-sup-0001-readme.txtplain text document3Kreadme.txt
grl23680-sup-0002-fs01.jpgimage/pjpeg509KFigure S1. Comparison of the annual mean temperature for collocated PRISM and 648 SNOTEL-HT data sets computed over the respective periods of record of the SNOTEL-HT sites.
grl23680-sup-0003-fs02.jpgimage/pjpeg473KFigure S2. Same as for Figure S1, but comparing the respective annual temperature trends for the period 1987–2006.
grl23680-sup-0004-fs03.jpgimage/pjpeg149KFigure S3. A comparison of mean annual temperature departures from record mean, 1979–2006, for the western United States from three data sources.

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