This issue has been resolved. If there is no datum, then system displays a message indicating that there is no measurement to chart. system draws chart showing a "flat" histogram in the anomolies (top) panel and no CS in the sites (bottom) panel.
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Screen shot shows behavior for nighttime temperatures in region 'South America'
Screen shot is attached.
Unable to attach system.log file. ???
This issue has been resolved. If there is no datum, then system displays a message indicating that there is no measurement to chart. system draws chart showing a "flat" histogram in the anomolies (top) panel and no CS in the sites (bottom) panel.