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  Did you know?
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Rain: did you know?


In terms of annual average rainfall, the driest recorded place on Earth is the Atacama Desert Chile, with just 0.1 mm per year.

500 million litres of rain can fall from a single thunderstorm.

The heaviest rainfall in one year in the UK is 6528 mm recorded at Sprinkling Tarn, Cumbria, in 1954.

The longest drought in the UK occurred in Sussex and lasted 60 days between 17th March and 15th May 1893.

In terms of annual average rainfall, the driest recorded place in the UK is St Osyth, Essex, with just 513 mm per year.

 

Temperature: did you know?


The lowest screen temperature recorded in the world is -89.2 °C at Vostok, Antarctica on 21st July 1983.

In terms of annual average temperature, the warmest place in the UK is Scilly, Cornwall with a mean temperature of 11.5 °C.

Braemar, Aberdeenshire is the coldest low-level place in the UK, in terms of annual average temperature, with a mean temperature of 6.5 °C.

In terms of annual average temperature, the coldest place in the world is Plateau Station Antarctica with a mean temperature of -56.6 °C.

The highest screen temperature recorded in the world is 58 °C at Al'Aziziyah Libya, on 13th September 1922.

In terms of annual average temperature, the hottest place in the world is Dallol, Ethiopia with a mean temperature of 34.4 °C.

At Browning, Montana, the temperature fell 55.6 °C in the 24 hours between 23rd and 24th January 1916 from 6.7 °C to -48.9 °C. This occurred during passage of cold front.

At Rapid City, South Dakota on 10th January 1911, the temperature fell from 12.8 °C at 0700 to -13.3 °C at 0715.

Also at Rapid City, South Dakota on 22nd January 1943, the temperature rose from -20 °C at 0732 to 7.2 °C two minutes later. This was caused by the onset of warm Chinook winds.

At Heathrow Airport there were 14 consecutive days between 23rd June and 8th July 1976 when the temperature was above 31 °C.

 

Snow: did you know?


12 % of the Earth's land surface is permanently covered by ice and snow.

The deepest snowfall ever measured in the USA was 11.43 metres in March 1911 at Tamarac, California.

The greatest snowfall recorded in one day occurred at Silver Lake, Colorado on 14th April 1921 when 1.93 metres were measured.

 

Pressure: did you know?


The highest barometer reading recorded in the world is 1083 mb at Agata, Siberia on 31st December 1968.

The lowest barometer reading recorded in the world occurred in the eye of typhoon Tip as it moved across the Pacific to the east of the Philippines on 12th October 1979. The pressure fell to 870 mb.

The highest barometer reading ever made in Britain is 1054.7 mb and was recorded at Aberdeen on 31st January 1902.

The lowest barometer reading in Britain was made at Ochtertyre, Perthshire on 26th January 1884, when the pressure fell to 925.5 mb.

 

Wind: did you know?


The highest surface wind speed recorded at a high altitude station is 372 km/h (200 knots) on top of Mount Washington, New Hampshire on 12th April 1934.

The highest surface wind speed recorded at a low altitude station is 333 km/h (180 knots) measured at Thule, Greenland on 8th March 1972

 

Sun: did you know?


In terms of annual average sunshine, the sunniest recorded place on Earth is Yuma, Arizona with 4300 hours per year.

The South Pole has no sun for 182 days each year.

 

General: did you know?


In terms of annual average, Keriche, Kenya has more hail than anywhere else on earth, with hail falling on 132 days each year.

On 17th July 1841, a shower of heavy rain and hail in Derby, England was accompanied by a fall of hundreds of small fish and frogs, many of them still alive.

On 14th August 1979, a rainbow was seen to last for 3 hours over North Wales.

 
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