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e-RA: the electronic Rothamsted Archive
Rothamsted

Brooms Barn Weather data available in 'Broomet'

Daily meteorological data recorded at Brooms Barn, Suffolk available from e-RA. Hourly data is not available. PLEASE NOTE: The Brooms Barn meteorological station is situated approx 30m from the main buildings, which are approx 10m high. This may cause some interference with wind direction and wind speed measurements.

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Variable

Units

Description

Air temperature

TMAX degrees C Maximum temperature, 1982-current date
TMIN degrees C Minimum temperature, 1982-current date
WETB degrees C Wet bulb temperature, 1982 - 2009
DRYB degrees C Dry bulb Temperature, 1982-current date
DEWP degrees C Dew point (derived from DRYB and WETB), 1982-2009

Soil temperature under grass

GRSMIN degrees C Grass minimum temperature, 1982-current date
G30T degrees C Soil temperature under grass at 30cm, 2012-current date
G50T degrees C Soil temperature under grass at 50cm, 2012-current date
G100T degrees C Soil temperature under grass at 100cm, 2012-current date

Soil temperature under bare soil

S10T degrees C Bare soil temperature at 10cm, 2012-current date
S20T degrees C Bare soil temperature at 20cm, 1982-current date

Rainfall

RAIN mm Rainfall, 1982-current date

Sunshine

SUN hr Hours of sunshine, 1982-current date

Radiation

RAD MJ/m2 Total radiation, 1982-current date
NETRAD MJ/m2 Net radiation, 1997-current date

Wind

WINDRUN km Run of Wind 0900 to 0900 GMT, 1982-current date
WINDSP m/s Wind speed at 0900 GMT (at 10m), 2012-current date
WDIR degrees Wind direction at 9.00 GMT (0-360 degrees), 2012-current date

Other

GROUND State of ground (code), 1982-96
RELH % Relative humidity at 0900 GMT, 2009-current date
VAP mb Vapour pressure (derived from DRYB and WETB), 1982-2009
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