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How we measure sunshine and radiation

Sunshine is measured using either Campbell-Stokes sunshine recorders or modern sunshine sensors. A pyranometer is used for measuring global radiation.

traceability to the world radiation standard. How we measure sunlight For a great many years the only instrument for measuring sunshine duration was the Campbell-Stokes sunshine recorder. The original instrument was invented by Campbell in 1858 but the later card-holding version was a development

HadUK-Grid Frequently Asked Questions

on the day in question. The Met Office uses two types of sunshine recorder. How does this affect the sunshine grids? The majority of the stations in the Met Office network that record sunshine duration use a Campbell-Stokes recorder. However, a significant proportion of the stations that report

News

Glastonbury Festival – wellies or sun cream?

holds the record for the festivals wettest day. 60.1mm of rain fell in a single day at nearby Rodney Stoke.   For other unsettled weather, the highest wind gust speed recorded for Glastonbury was 41mph, which has been reached at Yeovilton in 1985 and 1987 during the event.   Although 1997 was dubbed

News

Glastonbury Festival - will the sun continue to shine?

as no surprise to anyone who was there, Glastonbury 2007 holds the record for the festival’s wettest day. 60.1mm of rain fell in a single day at nearby Rodney Stoke.   For other unsettled weather, the highest wind gust speed recorded for Glastonbury was 41mph, which has been reached at Yeovilton

Joint Responder Training Template

) Historic and Notable Flood Events • Lynmouth Flash Floods 1952 (Link) • East Coast Floods 1953 (Link) • Martinsown Record Rainfall 1955 (Link) • Chew Stoke Floods 1968 (Link) • Halifax Floods 1989 (Link) • Towyn Coastal Floods 1990 (Link) • Boscastle Flash Floods 2004 (Link) • Summer 2007 Floods (Link

Climate and climate change

Historic station data

in a month) have been indicated by "---". Estimated data (where available) have been indicated by "*" after the value. Sunshine data Sunshine data using a Kipp and Zonen sensor have been indicated by a "#" after the value. All other sunshine data have been recorded using a Campbell-Stokes recorder. Update

News

Rain for some but sun reigns for others

spells of sunshine for many and temperature around 20 °C, the average for August.  Andrew Stokes, VisitEngland’s Director said: “Whatever the weather there is an outstanding range of quality destinations and attractions on offer and with the ease and convenience of holidaying at home, Brits

Autographic Records

of the other autographic devices work in a very similar way although one significant exception are sunshine cards where the mark left on the card is produced by a Campbell Stokes sunshine recorder which focuses sunlight through a glass sphere and uses the resulting beam to burn a line into the card during

Developing rip current warnings in South Africa

and tide conditions. We are working closely with SAWS on the operational system and look forward to working with all our South African partners later this year to gather field data to provide further calibration for the rip forecast”, comments Dr Christopher Stokes, Senior Research Consultant

factsheet_12-national-meteorological-archive.pdf

in the preparation of accurate daily forecasts. In recent years, these once working logs have provided a rich source of historical weather data for modern climate and oceanographic research. Sunshine cards For a great many years the instrument for measuring sunshine duration was the Campbell- Stokes

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