Brief description of instruments and devices Data are from the NOAA Advanced Very High Resolution Radiometer (AVHRR), and from ground-based instrumental data.
Brief description of data acquisition procedures N/A
Brief description of content and processing steps The AVHRR data were cloud-masked; the cloud-masked data were projected back in time using surface weather station data. Details are as described in Steig et al., 2009, and references therein.
All the data have proper georeferences. (locations of the stations are in the description or latitude-longitude columns for samples and measurements)
The data column, properties, and attributes listed/used in the data files are explained either in the description and/or the data files themselves.
Graph and Maps (if provided) have comprehensive legends
List data type(s) and format(s) of file or file bundle: Please refer to the Readme.txt file for details.