If you read my comment leading up to that, you'd see why I did it that way. But ...

JangoSteve on Aug 17, 2010 | parent | context | favorite | on: 0 degrees celsius + 0 degrees celsius -

If you read my comment leading up to that, you'd see why I did it that way. But I agree with the other comment that it's more likely Google is just converting everything to Kelvin as it's canonical calculating form.