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- Path: news.iadfw.net!usenet
- From: jakramer@airmail.net (JA Kramer)
- Newsgroups: comp.lang.c++
- Subject: Re: REQ: HEATING OIL DEGREE DAY FORMULA
- Date: Tue, 09 Jan 1996 22:13:07 GMT
- Organization: customer of Internet America
- Message-ID: <4cui4p$nce@news-f.iadfw.net>
- References: <4cbpvc$p70@newsbf02.news.aol.com> <4cc9fi$mda@ritz.cec.wustl.edu>
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- daf1@ritz.cec.wustl.edu (Danyel A Fisher) wrote:
-
- >In article <4cbpvc$p70@newsbf02.news.aol.com>, XSCBob <xscbob@aol.com> wrote:
- >>I am working on a project which involves the computation of what the
- >>heating oil industry calls DEGREE DAYS. It seems that it is a calculation
- >>based on the average temperature per day. The colder the days the sooner
- >>customers will need their tanks filled. Does anyone know of this formula?
- >> Please email me directly at XSCBob@aol.com
-
- >Sure. It's printed in your daily paper. Essentially, the industry picks the
- >temperature that is to be considered "room temp." Let temp[i] be the temperature
- >of the day on day i.
-
- >A month's degree days is just SUMMATION(i=first day to i=last day) roomTemp - temp[i].
- >That is, the number of degrees needed to have a house heated to room temperature
- >across all days. (Actually, that should be an absolute value sign: degree days
- >is a measure of temperature adjustment)
- >--
- >Aside from the inspiration, | Danyel Fisher | if two wrongs don't make
- >the rest is mechanical -Roman | daf1@cec.wustl.edu | a right, three lefts do!
-
- Look in the "Places Rated Almanac" as they give the formula. They used
- 65 degrees as the "room temp." I wouldn't know if that is
- standardized. I don't have it presently, but another question to
- consider is do you use the "high", "low," or "average" daily
- temperature. My own guesstimate would be to utilize the "average" as
- it may be a better indicator of oil consumption.
-
- John Kramer
-
-