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We have had it now for about 2 years - I think Ed got it for me once after I woke up to a beautiful sunny day to walk the dog and nearly froze my canjones off misreading "sunny" in my brain for "sunny and warm".
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However, it is now stuck on 73 degrees. It has been 73 degrees every morning since we got back from China. And, until this week, it might have been right. However this morning, it was NOT 73 degrees. I am back in big boy pants now for my morning walk.