Cloud cover such as the Amazon Rainforest and some others are almost always clear such as the Sahara Desert. Cloud cover Cloud cover (also known as cloudiness, cloudage, or cloud amount) refers to the fraction of the sky obscured by clouds when observed from a particular location. Okta is the usual unit of measurement of the cloud cover. The cloud cover is correlated to the sunshine duration as the least cloudy locales are the sunniest ones while the cloudiest areas are the least sunny places. The global cloud cover averages around 0.68 when analyzing clouds with optical depth larger than 0.1. This
OKTA OKTA OKTA was founded in 1978 and is a refinery in the Balkan area. OKTA is part of one of the biggest groups for the refining, distribution, and trade of crude oil, oil derivatives and petrochemicals – the Hellenic Petroleum group. Apart from its main activities, OKTA has developed its own retail network, which consists of 26 rebranded petrol stations. A pipeline linking the port of Thessaloniki with the OKTA oil refinery outside Skopje began full operations in July 2002. The pipeline, which took three years to build, will provide the Republic of Macedonia with a source of oil and,