Publication date : 20/02/2019
Periodicity: yearly
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The luxembourgish calculation method of the heating degree-days:
- HDD (Tref=20°C): 20-Tm if Tm>=15°C knowing that Tm=(Tat7h+Tat14h+2*Tat21h)/4
- HDD (Tref=18°C): 18-Tm if Tm>=15°C knowing that Tm=(Tat7h+Tat14h+2*Tat21h)/4