{"id":1022771,"date":"2025-06-10T17:34:37","date_gmt":"2025-06-10T12:04:37","guid":{"rendered":"https:\/\/blog.otthydromet.com\/?p=1022771"},"modified":"2026-02-24T17:39:34","modified_gmt":"2026-02-24T12:09:34","slug":"solar-radiation-soiling-dew-frost-pyranometers","status":"publish","type":"post","link":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/","title":{"rendered":"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1022771\" class=\"elementor elementor-1022771\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0330313 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0330313\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-177ab4b\" data-id=\"177ab4b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d6a7226 elementor-widget elementor-widget-heading\" data-id=\"d6a7226\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Don\u2019t Let Dew, Frost, or Dirt Cloud Your Data<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6a2aee0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a2aee0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7e0b845\" data-id=\"7e0b845\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fe0759c elementor-widget elementor-widget-text-editor\" data-id=\"fe0759c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<span data-contrast=\"none\">Accurate measurement of solar radiation is essential for applications ranging from climate modeling and atmospheric research to solar energy forecasting. Yet, one of the most underestimated sources of error in a site&#8217;s ability to capture accurate irradiance measurements is due to contamination of your sensor&#8217;s dome.<\/span>\n\n<b><span data-contrast=\"none\">Dew, frost, and soiling<\/span><\/b><span data-contrast=\"none\">\u00a0are the main environmental factors that can significantly degrade the optical clarity of a pyranometer\u2019s dome. Dew and frost typically form due to radiative cooling during clear nights, while dust and dirt accumulate gradually over time. These seemingly minor surface changes can reduce transmittance and introduce spectral distortion, leading to\u00a0<\/span><span data-contrast=\"none\">measurement errors of up to 30\u201340%<\/span><span data-contrast=\"none\">, a serious threat to data accuracy.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335557856&quot;:16448250,&quot;335559738&quot;:120,&quot;335559739&quot;:60}\">\u00a0<\/span>\n\n<span data-contrast=\"none\">In the webinar embedded below, we explore the\u00a0<\/span><b><span data-contrast=\"none\">physics behind these environmental interferences<\/span><\/b><span data-contrast=\"none\">\u00a0and how they compromise the performance of solar radiation sensors. We also discuss practical strategies to mitigate these effects and ensure high-quality data.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335557856&quot;:16448250,&quot;335559738&quot;:120,&quot;335559739&quot;:60}\">\u00a0<\/span>\n\n<span data-contrast=\"none\">Here\u2019s what you\u2019ll learn:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335557856&quot;:16448250,&quot;335559738&quot;:120,&quot;335559739&quot;:60}\">\u00a0<\/span>\n\n<span data-contrast=\"none\">\ud83d\udd2c\u00a0<\/span><b><span data-contrast=\"none\">Why dome cleanliness is critical<\/span><\/b><span data-contrast=\"none\">: Even microscopic layers of moisture or dust can alter the spectral response of a pyranometer, skewing your solar radiation data.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335557856&quot;:16448250,&quot;335559738&quot;:120,&quot;335559739&quot;:60}\">\u00a0<\/span>\n\n<span data-contrast=\"none\">\ud83d\udccf\u00a0<\/span><b><span data-contrast=\"none\">Understanding ISO 9060:2018<\/span><\/b><span data-contrast=\"none\">: Learn how this international standard classifies pyranometers based on performance criteria like response time, directional error, and temperature dependence\u2014and what that means for your measurement accuracy.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335557856&quot;:16448250,&quot;335559738&quot;:120,&quot;335559739&quot;:60}\">\u00a0<\/span>\n\n<span data-contrast=\"none\">\ud83c\udf10\u00a0<\/span><b><span data-contrast=\"none\">Mitigation techniques<\/span><\/b><span data-contrast=\"none\">: From passive design improvements to active solutions like <a href=\"https:\/\/info.otthydromet.com\/SMP12-irradiance-sensor.html?utm_source=google&amp;utm_medium=blog&amp;utm_content=&amp;utm_campaign=2519_ott_c-solar\">dome heating<\/a> and <a href=\"https:\/\/www.otthydromet.com\/en\/p-cvf4-ventilation-unit\/0378910\">ventilation<\/a>, we cover the tools and technologies that help maintain the integrity of your solar radiation measurements.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335551550&quot;:0,&quot;335551620&quot;:0,&quot;335557856&quot;:16448250,&quot;335559738&quot;:120,&quot;335559739&quot;:60}\">\u00a0<\/span>\n\n<span data-contrast=\"none\">Watch the full webinar below to gain a clearer view of the sky through science, not condensation.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335557856&quot;:16448250,&quot;335559738&quot;:120,&quot;335559739&quot;:60}\">\u00a0Finally, learn how to protect your performance ratio and data from environmental factors such as dew, frost, and soiling.\u00a0<\/span>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7e4bbb3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7e4bbb3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cd4c0db\" data-id=\"cd4c0db\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8294642 elementor-widget elementor-widget-video\" data-id=\"8294642\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=aEFcXFW-4Ek&quot;,&quot;show_image_overlay&quot;:&quot;yes&quot;,&quot;image_overlay&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/blog.otthydromet.com\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/webinar_dew_frost.png&quot;,&quot;id&quot;:1022772,&quot;size&quot;:&quot;&quot;,&quot;alt&quot;:&quot;The impact of Dew, frost, and soiling on solar radiation monitoring- webinar&quot;,&quot;source&quot;:&quot;library&quot;},&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t\t\t<div class=\"elementor-custom-embed-image-overlay\" style=\"background-image: url(https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/webinar_dew_frost.png);\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-custom-embed-play\" role=\"button\" aria-label=\"Play Video about The impact of Dew, frost, and soiling on solar radiation monitoring- webinar\" tabindex=\"0\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-play\"><\/i>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-56ab92d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"56ab92d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d6728bc\" data-id=\"d6728bc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8fdf08a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8fdf08a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b0d3cbe\" data-id=\"b0d3cbe\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f570db elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3f570db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51c13d7 elementor-widget elementor-widget-text-editor\" data-id=\"51c13d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Further reading &amp; listening<\/h4><ul><li>Blog:\u00a0<a href=\"https:\/\/blog.otthydromet.com\/en\/spectral-selectivity-vs-spectral-error-shedding-light-on-iso-9060\/?utm_source=pyranometers&amp;utm_medium=blog&amp;utm_content=&amp;utm_campaign=2420_ott_c-solar\">Spectral Selectivity vs. Spectral Error \u2013\u00a0Shedding Light on ISO 9060:2018<\/a><\/li><li>Interview with Scientist Dr. Joop Mes:\u00a0<a href=\"https:\/\/blog.otthydromet.com\/en\/scientist-joop-mes-iso-90602018-reflects-the-reality-much-better-than-its-predecessor\/?utm_source=pyranometers&amp;utm_medium=blog&amp;utm_content=&amp;utm_campaign=2420_ott_c-solar\">\u201cISO 9060:2018 reflects the reality much better.\u201d<\/a><\/li><li>Blog:\u00a0<a href=\"https:\/\/blog.otthydromet.com\/en\/webinar-answers-new-smp12\/?utm_source=pyranometers&amp;utm_medium=blog&amp;utm_content=&amp;utm_campaign=2420_ott_c-solar\">Questions &amp; Answers \u2013 Discovering the New SMP12 Class A Pyranometer<\/a><\/li><li>Podcast:\u00a0<a href=\"https:\/\/blog.otthydromet.com\/en\/podcast-analog-vs-smart-sensor?utm_source=pyranometers&amp;utm_medium=blog&amp;utm_content=&amp;utm_campaign=2420_ott_c-solar\">CMP or SMP pyranometers? Comparison of analog and smart sensors<\/a>\u00a0<\/li><li><a href=\"https:\/\/info.otthydromet.com\/SMP12-irradiance-sensor.html?utm_source=google&amp;utm_medium=blog&amp;utm_content=&amp;utm_campaign=2519_ott_c-solar\" target=\"_blank\" rel=\"noopener\">SMP12 Data Sheet and Brochure<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3c75eef elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3c75eef\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-85b2898\" data-id=\"85b2898\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f210fc1 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"f210fc1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.otthydromet.com\/en\/contact-us\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contact Us<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Don\u2019t Let Dew, Frost, or Dirt Cloud Your Data Accurate measurement of solar radiation is essential for applications ranging from climate modeling and atmospheric research to solar energy forecasting. Yet, one of the most underestimated sources of error in a site&#8217;s ability to capture accurate irradiance measurements is due to contamination of your sensor&#8217;s dome. [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":1022778,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46,57],"tags":[1475,1004668,1004762,1004623,1004766,1004752,77,1004677,1004767],"class_list":["post-1022771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-meteorology","category-solarenergy","tag-iec-61724-1","tag-irradiance","tag-irradiance-sensors","tag-iso-9060","tag-iso-90602018","tag-pyranometers","tag-solar-energy","tag-solar-radiation","tag-solar-sensors"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate - OTT Blog<\/title>\n<meta name=\"description\" content=\"Dew, frost, and soiling have a significant impact on the data quality of solar radiation. Our webinar provides an overview and explanation of the factors affecting solar radiation data and instrumentation classes according to the ISO 9060:2018 international standard.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate - OTT Blog\" \/>\n<meta property=\"og:description\" content=\"Dew, frost, and soiling have a significant impact on the data quality of solar radiation. Our webinar provides an overview and explanation of the factors affecting solar radiation data and instrumentation classes according to the ISO 9060:2018 international standard.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/\" \/>\n<meta property=\"og:site_name\" content=\"OTT Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-10T12:04:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T12:09:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"428\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"OTT HydroMet Blog Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"OTT HydroMet Blog Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/\"},\"author\":{\"name\":\"OTT HydroMet Blog Team\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#\/schema\/person\/af95a261e2bd0d6e87f32548016cbddd\"},\"headline\":\"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate\",\"datePublished\":\"2025-06-10T12:04:37+00:00\",\"dateModified\":\"2026-02-24T12:09:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/\"},\"wordCount\":363,\"publisher\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg\",\"keywords\":[\"IEC 61724-1\",\"Irradiance\",\"irradiance sensors\",\"ISO 9060\",\"ISO 9060:2018\",\"Pyranometers\",\"Solar energy\",\"Solar radiation\",\"solar sensors\"],\"articleSection\":[\"Meteorology\",\"Solar Energy\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/\",\"url\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/\",\"name\":\"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate - OTT Blog\",\"isPartOf\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg\",\"datePublished\":\"2025-06-10T12:04:37+00:00\",\"dateModified\":\"2026-02-24T12:09:34+00:00\",\"description\":\"Dew, frost, and soiling have a significant impact on the data quality of solar radiation. Our webinar provides an overview and explanation of the factors affecting solar radiation data and instrumentation classes according to the ISO 9060:2018 international standard.\",\"breadcrumb\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage\",\"url\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg\",\"contentUrl\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg\",\"width\":800,\"height\":428,\"caption\":\"Before sunrise solar power plants\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\/\/blog.otthydromet.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#website\",\"url\":\"https:\/\/blog.otthydromet.com\/en\/\",\"name\":\"OTT Blog\",\"description\":\"HydroMet\",\"publisher\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.otthydromet.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#organization\",\"name\":\"OTT HydroMet\",\"url\":\"https:\/\/blog.otthydromet.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/07\/ottblog_logo.svg\",\"contentUrl\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/07\/ottblog_logo.svg\",\"width\":176,\"height\":60,\"caption\":\"OTT HydroMet\"},\"image\":{\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.otthydromet.com\/en\/#\/schema\/person\/af95a261e2bd0d6e87f32548016cbddd\",\"name\":\"OTT HydroMet Blog Team\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/02\/OTT_HydroMet_icon_512x512-150x150.png\",\"url\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/02\/OTT_HydroMet_icon_512x512-150x150.png\",\"contentUrl\":\"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/02\/OTT_HydroMet_icon_512x512-150x150.png\",\"caption\":\"OTT HydroMet Blog Team\"},\"description\":\"Observing the elements is key to better understanding our planet. This blog tells the manifold stories of experts working in environmental monitoring with help of our sensors and solutions.\",\"sameAs\":[\"https:\/\/blog.otthydromet.com\/en\/\"],\"url\":\"https:\/\/blog.otthydromet.com\/en\/author\/ott-hydromet-blog-team\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate - OTT Blog","description":"Dew, frost, and soiling have a significant impact on the data quality of solar radiation. Our webinar provides an overview and explanation of the factors affecting solar radiation data and instrumentation classes according to the ISO 9060:2018 international standard.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/","og_locale":"en_US","og_type":"article","og_title":"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate - OTT Blog","og_description":"Dew, frost, and soiling have a significant impact on the data quality of solar radiation. Our webinar provides an overview and explanation of the factors affecting solar radiation data and instrumentation classes according to the ISO 9060:2018 international standard.","og_url":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/","og_site_name":"OTT Blog","article_published_time":"2025-06-10T12:04:37+00:00","article_modified_time":"2026-02-24T12:09:34+00:00","og_image":[{"width":800,"height":428,"url":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg","type":"image\/jpeg"}],"author":"OTT HydroMet Blog Team","twitter_card":"summary_large_image","twitter_misc":{"Written by":"OTT HydroMet Blog Team","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#article","isPartOf":{"@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/"},"author":{"name":"OTT HydroMet Blog Team","@id":"https:\/\/blog.otthydromet.com\/en\/#\/schema\/person\/af95a261e2bd0d6e87f32548016cbddd"},"headline":"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate","datePublished":"2025-06-10T12:04:37+00:00","dateModified":"2026-02-24T12:09:34+00:00","mainEntityOfPage":{"@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/"},"wordCount":363,"publisher":{"@id":"https:\/\/blog.otthydromet.com\/en\/#organization"},"image":{"@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg","keywords":["IEC 61724-1","Irradiance","irradiance sensors","ISO 9060","ISO 9060:2018","Pyranometers","Solar energy","Solar radiation","solar sensors"],"articleSection":["Meteorology","Solar Energy"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/","url":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/","name":"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate - OTT Blog","isPartOf":{"@id":"https:\/\/blog.otthydromet.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage"},"image":{"@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg","datePublished":"2025-06-10T12:04:37+00:00","dateModified":"2026-02-24T12:09:34+00:00","description":"Dew, frost, and soiling have a significant impact on the data quality of solar radiation. Our webinar provides an overview and explanation of the factors affecting solar radiation data and instrumentation classes according to the ISO 9060:2018 international standard.","breadcrumb":{"@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#primaryimage","url":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg","contentUrl":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2025\/05\/PV_Panels_solar_dusk-800x1200-b5da8ab.jpeg","width":800,"height":428,"caption":"Before sunrise solar power plants"},{"@type":"BreadcrumbList","@id":"https:\/\/blog.otthydromet.com\/en\/solar-radiation-soiling-dew-frost-pyranometers\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Startseite","item":"https:\/\/blog.otthydromet.com\/en\/"},{"@type":"ListItem","position":2,"name":"Solar Radiation: How Dew, Frost, and Soiling Affect Irradiance Monitoring, and Ways to Mitigate"}]},{"@type":"WebSite","@id":"https:\/\/blog.otthydromet.com\/en\/#website","url":"https:\/\/blog.otthydromet.com\/en\/","name":"OTT Blog","description":"HydroMet","publisher":{"@id":"https:\/\/blog.otthydromet.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.otthydromet.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/blog.otthydromet.com\/en\/#organization","name":"OTT HydroMet","url":"https:\/\/blog.otthydromet.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/blog.otthydromet.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/07\/ottblog_logo.svg","contentUrl":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/07\/ottblog_logo.svg","width":176,"height":60,"caption":"OTT HydroMet"},"image":{"@id":"https:\/\/blog.otthydromet.com\/en\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/blog.otthydromet.com\/en\/#\/schema\/person\/af95a261e2bd0d6e87f32548016cbddd","name":"OTT HydroMet Blog Team","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/02\/OTT_HydroMet_icon_512x512-150x150.png","url":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/02\/OTT_HydroMet_icon_512x512-150x150.png","contentUrl":"https:\/\/blog.otthydromet.com\/wp-content\/uploads\/2020\/02\/OTT_HydroMet_icon_512x512-150x150.png","caption":"OTT HydroMet Blog Team"},"description":"Observing the elements is key to better understanding our planet. This blog tells the manifold stories of experts working in environmental monitoring with help of our sensors and solutions.","sameAs":["https:\/\/blog.otthydromet.com\/en\/"],"url":"https:\/\/blog.otthydromet.com\/en\/author\/ott-hydromet-blog-team\/"}]}},"_links":{"self":[{"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/posts\/1022771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/comments?post=1022771"}],"version-history":[{"count":0,"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/posts\/1022771\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/media\/1022778"}],"wp:attachment":[{"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/media?parent=1022771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/categories?post=1022771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.otthydromet.com\/en\/wp-json\/wp\/v2\/tags?post=1022771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}