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Phil

In message ,
writes
On Thursday, 19 December 2013 16:21:18 UTC, Phil wrote:

Our house faces north/south and I plan to mount the outside sensor just
under the eaves but do I mount it on the northerly side or the
southerly?
Obviously, the northerly side never sees the sun but I am concerned that
the sensor may be affected by stored heat, or should that be cold so,
has anyone got any advice please?

Both. Position two sensors such that one of them is always in the
shade and use the lower reading. Keep them spaced as far from the wall
as you reasonably can - 0.5m perhaps om a stalk of some kind. That way
you avoid the boundary layer of warmer air that rises up the walls in
still winter conditions.

John

Sounds like a good idea. I'll give it some thought.
--
Phil