1) Temperature gauge of a sort 
Summation of (Temperature [°F]) - 50°F) for each day in the period April-October
The difference between the average daily temperature and the CIBSE degree day baseline temperature. This measure is used to estimate building energy needs. It is also a quick way to compare the severity and character of a climate. A heating degree day is counted for each degree below 15.5o reached by the average daily outside temperatures. For exam...