The number of cooling degree days — a measure of how often cooling is needed — was 17 percent above normal in the United States in 2010, according to the Environmental Protection Agency, leading to "an increase in electricity demand".
Durwood Zaelke, president of the Institute for Governance and Sustainable Development, points out that "cooling degree days" — a metric related to how much energy is needed to cool a home — were 17 percent above normal in the United States in 2010.
It's worth noting that of the 23 hottest metro areas — those with more than 1,000 annual cooling degree days — only three are in the Western Hemisphere, which has about one-seventh of the total global population.
The condenser outlet cooling degree should be small (0.5 0.6 K).
COOL is the cooling degree days and HEAT the heating degree days.
The data on heating and cooling degree days are obtained from The Energy Data and Modelling Center [35].
Cooling Degree Days (CDD) index was used to establish the correlation between UHI and energy consumption.
During 1961 2010, the desired cooling degree days in Southwest China has increased 38.9°C d per decade.
Assume a utility company wants to hedge against a cool summer and chooses cooling degree days (CDD) as its weather index for a put.
