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A degree day is a measure of heating or cooling. Total degree days from an appropriate starting date are used to plan the planting of crops and management of pests and pest control timing. Weekly or monthly degree-day figures may also be used within an energy monitoring and targeting scheme to monitor the heating and cooling costs of climate ...
Growing degree days (GDD), also called growing degree units (GDUs), are a heuristic tool in phenology.GDD are a measure of heat accumulation used by horticulturists, gardeners, and farmers to predict plant and animal development rates such as the date that a flower will bloom, an insect will emerge from dormancy, or a crop will reach maturity.
The Winkler Index, sometimes known as the Winkler Scale or Winkler Regions, is a technique for classifying the climate of wine growing regions based on heat summation or growing degree-days. In the system, geographical areas are divided into five climate regions based on temperature converted to growing degree-days, and is commonly known as ...
Seasonal heating degree-days are recorded by NYSERDA for cities in New York, including Rochester. Since the week ending March 2, Rochester has seen 1898 degree days, which is just 17 days off of ...
Hot summer days in the United States have only been getting hotter. In the 25 largest US cities, days with highs breaking the 100-degree Fahrenheit barrier have become more common over the past 75 ...
The number of days with 90 or higher temperatures is ahead of last year when the all-time record of 46 such days in one year was set. The 13th 90 degree or higher day did not come until July 19 ...
Heating degree day (HDD) is a measurement designed to quantify the demand for energy needed to heat a building. HDD is derived from measurements of outside air temperature. The heating requirements for a given building at a specific location are considered to be directly proportional to the number of HDD at that location.
The National Weather Service notes that each year, the city averages 18 days of 90-plus-degree temperatures. The highest recorded temperature in Columbus reached 106 degrees on July 14, 1936, and ...