{"id":1682,"date":"2025-09-21T19:18:19","date_gmt":"2025-09-21T17:18:19","guid":{"rendered":"https:\/\/belluguet.cat\/?p=1682"},"modified":"2025-09-21T19:18:21","modified_gmt":"2025-09-21T17:18:21","slug":"__trashed-18","status":"publish","type":"post","link":"https:\/\/belluguet.cat\/?p=1682","title":{"rendered":"Evoluci\u00f3 clim\u00e0tica a l&#8217;Aeroport de Barcelona des de 1950"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Borrador<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;escalfament global \u00e9s tan evident que no cal que ens ho expliquin. Per\u00f2 si teniu curiositat anem a objectivar l&#8217;evoluci\u00f3 de la pluviometria i les temperatures m\u00e0ximes i m\u00ednimes registrades als  observatoris meteorol\u00f2gics <strong>de l&#8217;Aeroport de Barcelona<\/strong> i <strong>de l&#8217;Aeroport de Sevilla<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les dades s&#8217;han obtingut de l&#8217;Ag\u00e8ncia Estatal de Meteorologia (<a href=\"https:\/\/datosclima.es\/Aemethistorico\/Descargahistorico.html\">https:\/\/datosclima.es\/Aemethistorico\/Descargahistorico.html<\/a>). Les dades de Sevilla comencen el 1 de gener de 1951, les de Barcelona comencen el 1924 per\u00f2 a efectes pr\u00e0ctics hem incl\u00f2s nomes les dades des del 1944.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En aquesta tabla es mostren el nombre i percentatge de dies en que l&#8217;AEMET no t\u00e9 registrades dades pels diferents fen\u00f2mens meteorol\u00f2gics en cada observatori.<\/p>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/belluguet.cat\/?p=1682\/#Relacio_de_dades_absents_segons_fenomen_i_observatori_meteorologic\" >Relaci\u00f3 de dades absents segons fenomen i observatori meteorol\u00f2gic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/belluguet.cat\/?p=1682\/#Evolucio_al_llarg_de_lany_de_les_temperatures_i_la_pluviometria\" >Evoluci\u00f3 al llarg de l'any de les temperatures i la pluviometria<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/belluguet.cat\/?p=1682\/#Valors_extrems_de_temperatura_i_pluviometria\" >Valors extrems de temperatura i pluviometria<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 id=\"tablepress-7-name\" class=\"tablepress-table-name tablepress-table-name-id-7\"><span class=\"ez-toc-section\" id=\"Relacio_de_dades_absents_segons_fenomen_i_observatori_meteorologic\"><\/span>Relaci\u00f3 de dades absents segons fenomen i observatori meteorol\u00f2gic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<table id=\"tablepress-7\" class=\"tablepress tablepress-id-7\" aria-labelledby=\"tablepress-7-name\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Fenomen<\/th><th class=\"column-2\">BCN<\/th><th class=\"column-3\">(%)<\/th><th class=\"column-4\">Sevilla<\/th><th class=\"column-5\">(%)<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Sol<\/td><td class=\"column-2\">4375<\/td><td class=\"column-3\">15.35%<\/td><td class=\"column-4\">208<\/td><td class=\"column-5\">0.80%<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Pluja<\/td><td class=\"column-2\">1737<\/td><td class=\"column-3\">6.09%<\/td><td class=\"column-4\">1157<\/td><td class=\"column-5\">4.46%<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">T_MIN<\/td><td class=\"column-2\">101<\/td><td class=\"column-3\">0.35%<\/td><td class=\"column-4\">101<\/td><td class=\"column-5\">0.39%<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">T_MAX<\/td><td class=\"column-2\">102<\/td><td class=\"column-3\">0.36%<\/td><td class=\"column-4\">93<\/td><td class=\"column-5\">0.37%<\/td>\n<\/tr>\n<\/tbody>\n<tfoot>\n<tr class=\"row-6\">\n\t<th class=\"column-1\">Dies<\/th><th class=\"column-2\">28490<\/th><td class=\"column-3\"><\/td><th class=\"column-4\">25933<\/th><td class=\"column-5\"><\/td>\n<\/tr>\n<\/tfoot>\n<\/table>\n<!-- #tablepress-7 from cache -->\n\n\n\n<p class=\"wp-block-paragraph\">La presentaci\u00f3 m\u00e9s senzilla de les dades del clima  \u00e9s la cartesiana. En l&#8217;eix horitzontal representem el temps  i en l&#8217;eix vertical el valor del atribut. Pel que fa a la temperatura i la precipitaci\u00f3 tindr\u00edem una primera aproximaci\u00f3 al seu comportament registrant-les cada dia.  Imaginem que fa dos anys aterra un extraterrestre en Barcelona i, desconeixedor de com va aqu\u00ed aix\u00f2 del clima, es posa a registrar cada dia les temperatures m\u00e0ximes i m\u00ednimes  al llarg de tres anys.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A simple vista ja es pot observar que Sevilla te temperatures m\u00e0ximes m\u00e9s altes i temperatures m\u00ednimes m\u00e9s baixes que Barcelona.  <\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Evoluci\u00f3 de les temperatures, m\u00e0ximes i m\u00ednimes 2019 &#8211; 2021<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/iqVGh\/2\/\" title=\"Aeroport de Barcelona\u00a0\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-iqVGh\" src=\"https:\/\/datawrapper.dwcdn.net\/iqVGh\/2\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/s1tAj\/1\/\" title=\"Aeroport de Sevilla\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-s1tAj\" src=\"https:\/\/datawrapper.dwcdn.net\/s1tAj\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No succeeix el mateix quan representem la pluviositat. Aqu\u00ed es fa dif\u00edcil recon\u00e8ixer l'exist\u00e8ncia de cap patr\u00f3 peri\u00f2dic, destacant-se la diferent pluviositat. <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/BzA3T\/1\/\" title=\"Aeroport de Barcelona\" aria-label=\"Column Chart\" id=\"datawrapper-chart-BzA3T\" src=\"https:\/\/datawrapper.dwcdn.net\/BzA3T\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/9y2Xc\/3\/\" title=\"Aeroport de Sevilla\" aria-label=\"Column Chart\" id=\"datawrapper-chart-9y2Xc\" src=\"https:\/\/datawrapper.dwcdn.net\/9y2Xc\/3\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/VpNWw\/1\/\" title=\"Evoluci\u00f3 de la pluviositat de 2020 i 2021 per mesos\" aria-label=\"Column Chart\" id=\"datawrapper-chart-VpNWw\" src=\"https:\/\/datawrapper.dwcdn.net\/VpNWw\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Per\u00f2 en lloc de  calcular les mitjanes d'aquests valors per cada mes, podem calcular i representar la mitjana de tots els mesos que conformen la s\u00e8rie recollida. Aix\u00ed podem veure que a l'Aeroport de Sevilla segueixen el patr\u00f3 de temperatures descrit per l'Aeroport de Barcelona. Pel que fa a la pluja, en canvi,  es pot veure que a Sevilla  els mesos amb m\u00e9s precipitaci\u00f3 es concentren a l'estiu, en tant que a Barcelona els mesos amb m\u00e9s pluja es concentren a la primavera i, especialment, a la tardor.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/XXcJX\/4\/\" title=\"Temperatura i precipitaci\u00f3 a l&#039;Aeroport de Sevilla\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-XXcJX\" src=\"https:\/\/datawrapper.dwcdn.net\/XXcJX\/4\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"373\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/ZNaeM\/1\/\" title=\"Temperatura i precipitaci\u00f3 a l&#039;Aeroport de Barcelona\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-ZNaeM\" src=\"https:\/\/datawrapper.dwcdn.net\/ZNaeM\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"373\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Els estudis de canvi clim\u00e0tic \u00e9s millor representar-los en <strong>anomalies<\/strong>&nbsp;de temperatura m\u00e9s que en la temperatura absoluta.&nbsp;Una anomalia de temperatura \u00e9s la difer\u00e8ncia d'una temperatura mitjana o de&nbsp;<em>refer\u00e8ncia<\/em>&nbsp;.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La simple representaci\u00f3 de les temperatures mitjanes per mes i any, com veiem en la gr\u00e0fica, fa dif\u00edcil veure tend\u00e8ncies, especialment quant els canvis s\u00f3n subtils. <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/y9G9t\/1\/\" title=\"Temperatures m\u00e0ximes per mes i any\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-y9G9t\" src=\"https:\/\/datawrapper.dwcdn.net\/y9G9t\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En canvi representar gr\u00e0ficament les anomalies permet esbrinar de millor forma els possibles canvis de les dades. Pel nostre cas s'ha calculat la mitjana per mes del interval 1971 a 2000. El valor que s'obt\u00e9 es resta del valor que tenim registrat per cada mes i any. Una&nbsp;<strong>anomalia positiva<\/strong>&nbsp;indica que el valor observat \u00e9s m\u00e9s alt que el valor mitja , mentre que una&nbsp;<strong>anomalia negativa<\/strong>&nbsp;indica que el valor observat \u00e9s m\u00e9s baix que el valor mitj\u00e0. A mode de eixample, si la temperatura m\u00e0xima &nbsp;del mes de juny de 2021 va ser de 27,2\u00baC  i la mitjana pel mes de juny de la s\u00e8rie 1971 - 2000 \u00e9s 24,1\u00baC , l'anomalia pel juny de 2021 \u00e9s 3,1\u00baC. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/FJG6m\/2\/\" title=\"Anomalies\u00a0 de la temperatura m\u00e0xima per mes i any \" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-FJG6m\" src=\"https:\/\/datawrapper.dwcdn.net\/FJG6m\/2\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/5DqxG\/2\/\" title=\"Anomalies\u00a0 de la temperatura m\u00e0xima per mes i any  \" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-5DqxG\" src=\"https:\/\/datawrapper.dwcdn.net\/5DqxG\/2\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/Ua3V1\/1\/\" title=\"Evoluci\u00f3 tend\u00e8ncia temparatura m\u00e0xima\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-Ua3V1\" src=\"https:\/\/datawrapper.dwcdn.net\/Ua3V1\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/RRNjV\/5\/\" title=\"AEROPORT DE SEVILLA\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-RRNjV\" src=\"https:\/\/datawrapper.dwcdn.net\/RRNjV\/5\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La gr\u00e0fica mostra l'oscil\u00b7laci\u00f3 de les anomalies al voltant de l'eix del cero. El cero correspon a la temperatura que seria igual a la mitjana de la s\u00e8rie 1971 - 2000. Observem que fins a 1990 van predominar els anys amb anomalies negatives i per tant m\u00e9s fredes que la mitjana de la s\u00e8rie control.  En canvi, despr\u00e9s d'aquesta data els que predominen s\u00f3n els anys on les temperatures han estat per sobre que la mitjana. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Millor anomaliesanomaly<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L'observatori registra aquestes dades des de l'un de gener de 1951. Les \u00faltimes dades recollides s\u00f3n del 8 de setembre de 2022. En total 26.184 dies que corresponen a 71 anys, 8 mesos i 8 dies  de registres quasi ininterromputs. I diem quasi perqu\u00e8 nom\u00e9s en 136 (0,52%) dies no van quedar registrades les temperatures m\u00e0ximes i m\u00ednimes. Aquests 136 dies sense dades es concentren en dos anys de la d\u00e8cada dels 60 i en aquest 2022. <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/UPpP0\/2\/\" title=\"Nombre de dies sense registres de temperatures per any\u00a0\" aria-label=\"Column Chart\" id=\"datawrapper-chart-UPpP0\" src=\"https:\/\/datawrapper.dwcdn.net\/UPpP0\/2\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Per tal de assignar un valor a les dades absents de temperatura s'ha calculat la mitjana dels dies anterior i posterior. El onze dies sense dades de pluja han estat substitu\u00efts per cero. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Evolucio_al_llarg_de_lany_de_les_temperatures_i_la_pluviometria\"><\/span>Evoluci\u00f3 al llarg de l'any de les temperatures i la pluviometria<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En contra del que un podria pensar, que la temperatura a la terra dep\u00e8n de la dist\u00e0ncia al Sol en la seva translaci\u00f3 al voltant d'aquest, de fet els comportaments estacionals del clima estan influ\u00efts principalment per la inclinaci\u00f3 de 23,44 graus de l'eix de rotaci\u00f3 del nostre planeta amb el pla de la seva \u00f2rbita, i no per la seva \u00f2rbita el\u00b7l\u00edptica. Altres  determinants s\u00f3n el comportament de la troposfera, la capa atmosf\u00e8rica en la que desenvolupem les nostres vides i en menor mesura la pr\u00f2pia evoluci\u00f3 de la lluna.<a href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/3.0\"> <\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Valors_extrems_de_temperatura_i_pluviometria\"><\/span>Valors extrems de temperatura i pluviometria<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En aquesta s\u00e8rie de temperatures m\u00e0ximes, el valor m\u00e9s alto es van registrar el 23 de juliol de 1995 amb 46,7 \u00baC.  De les temperatures m\u00ednimes, la m\u00ednima es va registrar el 12 de febrer de 1956 amb -5,6 \u00baC. Pel que fa a la pluviometria el dia que va ploure m\u00e9s va ser el 2 de novembre de 1997 amb 169,3 litres per m2. La pluja ha estat present en 4.549 (17,4%) dies.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/datawrapper.dwcdn.net\/I9eEl\/1\/\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La figura mostra la mitjana de tota la s\u00e8rie de les temperatures m\u00e0ximes i m\u00ednimes i de la precipitaci\u00f3 per mes de l0any. Es pot observar l'evoluci\u00f3 oposada de temperatures i pluviositat. En tant que les temperatures assoleixen les seves m\u00e0ximes als mesos d'estiu, la pluja registra els seus m\u00ednims. L'amplitud t\u00e8rmica (difer\u00e8ncia entre temperatura m\u00e0xima i m\u00ednima) \u00e9s m\u00e9s gran en els mesos centrals de l'any.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/RRGJ5\/2\/\" title=\"Mesos sense precipitaci\u00f3\" aria-label=\"Column Chart\" id=\"datawrapper-chart-RRGJ5\" src=\"https:\/\/datawrapper.dwcdn.net\/RRGJ5\/2\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De fet, en 146 (1,70%) dels 861 mesos de tota la s\u00e8rie no es va registrar pluja en tot el mes. En la figura consta el nombre de vegades que no es va registrar pluja per mes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/AkkVX\/1\/\" title=\"Nombre de mesos seguits sense pluja\" aria-label=\"Column Chart\" id=\"datawrapper-chart-AkkVX\" src=\"https:\/\/datawrapper.dwcdn.net\/AkkVX\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/rIG6x\/2\/\" title=\"Evoluci\u00f3 de les temperatures per mes i any des de 2015\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-rIG6x\" src=\"https:\/\/datawrapper.dwcdn.net\/rIG6x\/2\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En els \u00faltims anys la corba gr\u00e0fica de les temperatures per mes i any no mostren grans difer\u00e8ncies i  no podem observar cap tend\u00e8ncia d'increment. <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/Pelbq\/4\/\" title=\"Evoluci\u00f3 de les temperatures i de la precipitaci\u00f3 per any\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-Pelbq\" src=\"https:\/\/datawrapper.dwcdn.net\/Pelbq\/4\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En aquesta gr\u00e0fica es mostren els valors mitjans d'aquestes dades per any.  En els 72 anys d'aquesta s\u00e8rie si que es pot observar que tant la temperatura m\u00e0xima com la temperatura m\u00ednima presenten una lleu tend\u00e8ncia alcista, en tant que el tra\u00e7at de la precipitaci\u00f3 es for\u00e7a irregular d'any en any.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-datawrapper wp-block-embed-datawrapper\"><div class=\"wp-block-embed__wrapper\">\n<iframe hcb-fetch-image-from=\"https:\/\/datawrapper.dwcdn.net\/o9wDJ\/1\/\" title=\"Evoluci\u00f3 de la temperatura m\u00e0xima i m\u00ednima \u00baC (mitjanes per d\u00e8cada)\" aria-label=\"Interactive line chart\" id=\"datawrapper-chart-o9wDJ\" src=\"https:\/\/datawrapper.dwcdn.net\/o9wDJ\/1\/\" scrolling=\"no\" frameborder=\"0\" style=\"width: 0; min-width: 100% !important; border: none;\" height=\"400\" data-external=\"1\"><\/iframe><script type=\"text\/javascript\">!function(){\"use strict\";window.addEventListener(\"message\",(function(a){if(void 0!==a.data[\"datawrapper-height\"]){var e=document.querySelectorAll(\"iframe\");for(var t in a.data[\"datawrapper-height\"])for(var r=0;r<e.length;r++)if(e[r].contentWindow===a.source){var i=a.data[\"datawrapper-height\"][t]+\"px\";e[r].style.height=i}}}))}();<\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1,22708 1,605962 -9,8124<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"--<iframe-src=&quot;\/\/www.ejemplodominio.com&quot;&gt;<\/iframe&gt;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Borrador L&#8217;escalfament global \u00e9s tan evident que no cal que ens ho expliquin. Per\u00f2 si teniu curiositat anem a objectivar l&#8217;evoluci\u00f3 de la pluviometria i les temperatures m\u00e0ximes i m\u00ednimes registrades als observatoris meteorol\u00f2gics de l&#8217;Aeroport de Barcelona i de l&#8217;Aeroport de Sevilla. Les dades s&#8217;han obtingut de l&#8217;Ag\u00e8ncia Estatal de Meteorologia (https:\/\/datosclima.es\/Aemethistorico\/Descargahistorico.html). Les dades [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1682","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/belluguet.cat\/index.php?rest_route=\/wp\/v2\/posts\/1682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/belluguet.cat\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/belluguet.cat\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/belluguet.cat\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/belluguet.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1682"}],"version-history":[{"count":21,"href":"https:\/\/belluguet.cat\/index.php?rest_route=\/wp\/v2\/posts\/1682\/revisions"}],"predecessor-version":[{"id":2650,"href":"https:\/\/belluguet.cat\/index.php?rest_route=\/wp\/v2\/posts\/1682\/revisions\/2650"}],"wp:attachment":[{"href":"https:\/\/belluguet.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/belluguet.cat\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/belluguet.cat\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}