Sentences with phrase «heating degree days»

Its forecast has 2 percent fewer heating degree days (warmer) this winter than the 1980 - 2010 average.

From PHPP we get the SI equivalent for heating degree days for heat loss through the ground for our particular climate, in this case New Haven, Connecticut.

The number of heating degree days from October through February was down 11 % compared to the 30 - year average.

For example, analysis of these measures shows a decrease in heating degree days for Canada and an increase in cooling degree days in the southwest USA in model simulations of future climate with increased greenhouse gases (Zwiers and Kharin, 1998; Kharin and Zwiers, 2000), though this can be considered a general feature associated with an increase in temperature.

Projections mid-century show changes in variables related to temperature: increased growing degree days, cooling degree days, and frost free period along with decreased heating degree days and precipitation as snow.

From 2012 to 2013, CO2 emissions from fossil fuel combustion increased by 2.6 % due to: (1) the weather — heating degree days increased 18.5 % in 2013 compared to 2012.

This decrease in heating degree days resulted in a decreased demand for heating fuel in the residential and commercial sector, which had a decrease in natural gas consumption of 11.7 and 8.0 %, respectively.

Issues such as the length of day, location of the site relative to the equator, building type, wind current, solar exposure, sun azimuth, total heat degree days, total cooling degree days and topography are just a few of the factors needing to be considered.

It is based on the number of Heating Degree Days you entered.

You can use these calculations, in combination with the number of «heating degree days» and «cooling degree days» at your site, to accurately estimate your energy bills.

Heating Degree Days (HDD): A measure of how cold a location is over a period of time relative to a base temperature, most commonly specified as 65 degrees Fahrenheit.

Each day's heating degree days are summed to create a heating degree day measure for a specified reference period.

With lower electricity prices and triple the heating degree days, Texans use twice the electricity per capita of Californians; 37 percent of Texans» electricity is generated from coal compared to 15 percent in California.

Or the heating degree day for Rochester?

The number of so - called «heating degree days,» an indicator that reflects energy use for heating, was the lowest since 2012.

Days when the average temperature is above +10 °C in the spring and above +12 °C in the autumn are not taken into account in calculating the heating degree day.

Using this calculator, the payback period for our area (SW MT, 8000 heating degree days, $ 2 per gallon propane furnace) is well under half a heating season!

The normal period of the heating degree days has been changed to the averages of the climatological normal period of 1981 - 2010 and the coefficients has been calculated to be equivalent to the new normal period.

(1) a slight increase in the price of coal, and a significant decrease in the price of natural gas; (2) the weather conditions, with no extremely hot days in the summer and much warmer than usual winter temperatures leading to heating degree days decreasing by 12.6 %.

A cold climate has 5,400 heating degree days or greater and a very cold climate has 9,000 heating degree days or greater.

According to the EIA, «Heating degree days in 2016 were the second fewest of any year since at least 1949, consistent with relatively warmer winter months.»

All of these parameters show what we would expect in a warming climate: daily minimum, maximum, and average temperatures are increasing, cooling degree days, growing degree days and growing season length are increasing, heating degree days are decreasing, the counts of warm days are increasing and cool days are decreasing.

The attached chart from our HAN report (built using EIA data) shows the heating degree days (number of degrees and days below 65 degrees), household penetration of electric heat, and the annual KWh used for electric heat.

Very Cold - A very cold climate is defined as a region with approximately 9,000 heating degree days or greater (65 °F basis) or greater and less than 12,600 heating degree days (65 °F basis).

Mixed Dry — A warm - dry and mixed - dry climate is defined as a region that receives less than 20 inches of annual precipitation with approximately 4,500 cooling degree days (50 °F basis) or greater and less than approximately 6,300 cooling degree days (50 °F basis) and less than approximately 5,400 heating degree days (65 °F basis) and where the average monthly outdoor temperature drops below 45 °F during the winter months.

Mixed - Humid - A mixed - humid and warm - humid climate is defined as a region that receives more than 20 inches of annual precipitation with approximately 4,500 cooling degree days (50 °F basis) or greater and less than approximately 6,300 cooling degree days (50 °F basis) and less than approximately 5,400 heating degree days (65 °F basis) and where the average monthly outdoor temperature drops below 45 °F during the winter months.

A warm - dry and mixed - dry climate is defined as a region that receives less than 20 inches of annual precipitation with approximately 4,500 cooling degree days (50 °F basis) or greater and less than approximately 6,300 cooling degree days (50 °F basis) and less than approximately 5,400 heating degree days (65 °F basis) and where the average monthly outdoor temperature drops below 45 °F during the winter months.