Sunshine duration
| Subclass of | duration  |
|---|---|
| Part of | climatology |
| ISQ dimension | |
| Quantity symbol (LaTeX) | |
Sunshine duration anaa sunshine hours be climatological indicator, wey dey measure duration of sunshine insyd given period (usually, a day anaa a year) for a given location for Earth top, dem typically express am as an averaged value over several years. Ebe general indicator of cloudiness of a location, den thus dey differ from insolation, wich dey measure de total energy delivered by sunlight over a given period.
Dem usually dey express sunshine duration for hours insyd per year, anaa insyd (average) hours per day. De first measure dey indicate de general sunniness of a location dem compare plus oda places, while de latter dey allow for comparison of sunshine insyd various seasons insyd de same location.[1] Anoda often-used measure be percentage ratio of recorded bright sunshine duration den daylight duration insyd de period dem observe.
Important use of sunshine duration data be make dem characterize de climate of sites, especially of health resorts. Dis sanso dey take into account de psychological effect of strong solar light for human well-being top. Dem often dey use am make dem promote tourist destinations.[1]
References
[edit | edit source]- ↑ 1.0 1.1 "8. Measurement of Sunshine Duration" (PDF), Guide to Meteorological Instruments and Methods of Observation, WMO, 2008, archived from the original on 2013-02-03
External links
[edit | edit source]- UNdata portal : World Meteorological Organization Standard Normals : Sunshine
- Map of sunshine hours of Australia
- Sunshine duration world map (June snapshot)
- Sunshine duration world map Archived 2019-06-26 at the Wayback Machine (Yearly average)