{"id":140,"date":"2004-02-06T12:29:51","date_gmt":"2004-02-06T16:29:51","guid":{"rendered":"http:\/\/scruss.com\/blog\/?p=140"},"modified":"2004-02-06T12:29:51","modified_gmt":"2004-02-06T16:29:51","slug":"its-not-as-cold-as-youd-think","status":"publish","type":"post","link":"https:\/\/scruss.com\/blog\/2004\/02\/06\/its-not-as-cold-as-youd-think\/","title":{"rendered":"It&#8217;s not as cold as you&#8217;d think"},"content":{"rendered":"<p>I use Gnome Weather Report, an applet that shows the local temperature and weather conditions on my desktop. For the last few days, it&#8217;s been showing something really weird: <img loading=\"lazy\" decoding=\"async\" alt=\"celsius.png\" src=\"http:\/\/scruss.com\/blog\/archives\/celsius.png\" width=\"44\" height=\"15\" border=\"0\" \/>. It&#8217;s nothing like -17&deg;C here; it&#8217;s nearer 0&deg;C, according to <a href=\"http:\/\/weatheroffice.ec.gc.ca\/forecast\/city_e.html?yyz\">Environment Canada<\/a>.<\/p>\n<p>Things become clearer when you change the view to Fahrenheit view: <img loading=\"lazy\" decoding=\"async\" alt=\"fahrenheit.png\" src=\"http:\/\/scruss.com\/blog\/archives\/fahrenheit.png\" width=\"31\" height=\"15\" border=\"0\" \/>. It&#8217;s clear that the sensor or protocol is broken, but is being mis-interpreted as a zero signal.<\/p>\n<p>As an avid <a href=\"http:\/\/catless.ncl.ac.uk\/Risks\">RISKS<\/a> reader, I know that confusing zero and null values is pretty much unforgivable. I&#8217;ve wired up enough 4-20mA current loop instruments to know that having a zero-value signal being the same as a no signal value is bad.<\/p>\n<p>But there&#8217;s no real risk here. I mean, I could always go outside and find that it&#8217;s not 17&deg;C. You don&#8217;t need a weatherman, as Bob said.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I use Gnome Weather Report, an applet that shows the local temperature and weather conditions on my desktop. For the last few days, it&#8217;s been showing something really weird: . It&#8217;s nothing like -17&deg;C here; it&#8217;s nearer 0&deg;C, according to Environment Canada. Things become clearer when you change the view to Fahrenheit view: . It&#8217;s [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[1298,1714,1713],"class_list":["post-140","post","type-post","status-publish","format-standard","hentry","category-general","tag-fail","tag-gnome","tag-weather"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pQNZZ-2g","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/comments?post=140"}],"version-history":[{"count":0,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/posts\/140\/revisions"}],"wp:attachment":[{"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/media?parent=140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/categories?post=140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scruss.com\/blog\/wp-json\/wp\/v2\/tags?post=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}