{"id":82,"date":"2010-05-22T20:54:41","date_gmt":"2010-05-22T20:54:41","guid":{"rendered":"http:\/\/mitat.tuu.fi\/?p=82"},"modified":"2010-05-22T21:33:47","modified_gmt":"2010-05-22T21:33:47","slug":"82","status":"publish","type":"post","link":"http:\/\/mitat.tuu.fi\/?p=82","title":{"rendered":"What does &#8220;Barometric pressure inches&#8221; mean at Weather Undeground API and"},"content":{"rendered":"<p>Weather Undeground wants the pressure in their API (http:\/\/wiki.wunderground.com\/index.php\/PWS_-_Upload_Protocol) as &#8220;barometric pressure inches&#8221; which is the same as &#8220;inches of mercur&#8221; or inHg or just hg. Notice that it changes based on temperature.<\/p>\n<p>Millibars aka hPa (the one&#8217;s around 1000) can be converted to Hg by multiplying with  0.02953 when tempeature is 32 fahrenheit (= 0 celcius, the water freezing point).<\/p>\n<p>So: <strong>barometric pressure inches\/inches of mercury\/inHg = millibars\/hPa * 0.02953<\/strong><\/p>\n<p>More here: http:\/\/www.csgnetwork.com\/meteorologyconvtbl.html<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Weather Undeground wants the pressure in their API (http:\/\/wiki.wunderground.com\/index.php\/PWS_-_Upload_Protocol) as &#8220;barometric pressure inches&#8221; which is the same as &#8220;inches of mercur&#8221; or inHg or just hg. Notice that it changes based on temperature. Millibars aka hPa (the one&#8217;s around 1000) can be converted to Hg by multiplying with 0.02953 when tempeature is 32 fahrenheit (= [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,11],"tags":[],"class_list":["post-82","post","type-post","status-publish","format-standard","hentry","category-measured","category-snippet"],"_links":{"self":[{"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=\/wp\/v2\/posts\/82","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=82"}],"version-history":[{"count":4,"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=\/wp\/v2\/posts\/82\/revisions"}],"predecessor-version":[{"id":86,"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=\/wp\/v2\/posts\/82\/revisions\/86"}],"wp:attachment":[{"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=82"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=82"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mitat.tuu.fi\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=82"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}