On Thu, Oct 6, 2011 at 3:11 PM, Terry Blanton <hohlr...@gmail.com> wrote:
> "between 3 p.m. till 7 p.m. the temperature average delta has been of
> 5°C (water input/output) for 0,6 cubic meters per hour"

Back of the envelope, that's 50.3 Mjoules.

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