<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I'll have a dig about in the new year and see what I can find. The data will definitely exist, I suspect it'll be free to use for non-profit stuff.<div class=""><br class=""></div><div class="">Have you guys thought about having a <a href="https://slack.com/" class="">https://slack.com/</a> channel to save pinging emails back and forwards - I can set one up if you like and see if people like it?</div><div class=""><br class=""></div><div class="">Niall<br class=""><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 22 Dec 2016, at 13:19, John <<a href="mailto:john@stumbles.org.uk" class="">john@stumbles.org.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Nial<br class=""><br class="">On 22/12/16 11:50, Niall Robinson wrote:<br class=""><blockquote type="cite" class="">Firstly, the Met Office has a decent API for weather<br class="">data <a href="http://www.metoffice.gov.uk/datapoint" class="">http://www.metoffice.gov.uk/datapoint</a> Full disclosure - I work<br class="">there so I'm biased!<br class=""></blockquote><br class="">Do you know where I could get a set of mean hourly temperature data for a location? The Met Office's Historical Station Observations <a href="http://www.metoffice.gov.uk/datapoint/product/historical-station-obs" class="">http://www.metoffice.gov.uk/datapoint/product/historical-station-obs</a> offer mean daily max and minimum temperatures but I'm looking for better granularity: ideally average temperatures for each hour of the day.<br class=""><br class="">What I'm trying to do is model the energy requirements of a house and do what-ifs: e.g. what if I increase loft insulation from 50 to 250mm, or replace single- with double-glazed windows, or fit a room thermostat, or TRVs, where there are none, or reduce room temperatures by 1C: how much energy and therefore money will it save over a year, and what's the pay-back time (for changes that cost money to implement).<br class=""><br class="">I managed to do it approximately with degree-day data[1] but I'd like to be able to model different energy requirements at different times of day: obviously if you want to maintain your house at, say, 20C, it'll cost less to do that in the middle of the day than the middle of the night. So I'd like to be able to say "what if we all go to bed (or at least turn the heating down) an hour earlier: how much money would it save?". For that I need to know what temperatures are at different times of the day, not just averages (or max and min) for a day.<br class=""><br class=""><br class="">[1] from Vilnis Vesma who runs an energy management company, has a website <a href="http://www.enmanreg.org/" class="">http://www.enmanreg.org/</a> and newsletter which is worth signing up for for its interesting and often snarky commentary on energy management principles and practice<br class=""><br class=""><br class="">-- <br class="">John Stumbles <a href="http://stumbles.org.uk" class="">http://stumbles.org.uk</a><br class="">:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:-:<br class=""><br class="">_______________________________________________<br class="">OpenTRV-interest mailing list<br class=""><a href="mailto:OpenTRV-interest@lists.opentrv.org.uk" class="">OpenTRV-interest@lists.opentrv.org.uk</a><br class="">http://lists.opentrv.org.uk/listinfo/opentrv-interest<br class=""></div></div></blockquote></div><br class=""></div></div></body></html>