Results just in!
From 11-07-2017 to 12-06-2017 the average outside temperature was 33*F and I used 71CCF.
From 12-07-2017 to 01-05-2017 the average outside temperature was 22*F and I used 61CCF!
That's 11 degrees colder and yet I managed to use 10 CCF less natural gas!
__________________
|