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
Performance measurement Performance measurement Performance measurement is the process of collecting, analyzing and/or reporting information regarding the performance of an individual, group, organization, system or component. Performance measurement is not a new concept, some of the earliest records of human activity relate to the counting or recording of activities. Definitions of performance measurement tend to be predicated upon an assumption about why the performance is being measured. Beyond a simple agreement about it being linked to some kind of measurement of performance there is little consensus about how to define or use performance measures. In the light of this what has happened