In message , Dave Cornwell
writes
Summary for December 2015

Temperature (°C):

Mean (min+max) 10.8 (+5.7)

I suspect that that is actually higher than your mean for the calendar
year 2010, which is quite remarkable.
--
John Hall
"Honest criticism is hard to take,
particularly from a relative, a friend,
an acquaintance, or a stranger." Franklin P Jones