Bristol Weather Station

Totterdown, Bristol, UK.

For further information e-mail  Barry (change the "AT")




February 2018: A notable feature of February 2018 was the high levels of solar radiation unusual for February. 2018 was the sunniest since this data began in 2006. The average solar radiation for February in Bristol is 28.1% of the maximum but in 2018 this was 36.8%. This February was almost as sunny as some Marches and sunnier than some Octobers.
Another feature of the month was the low temperature for the last week of February.
The average temperature of 4.4C was -1.2C below the 30 year average and the coldest since 2013 which was also 4.4C.
The average minimum temperature of 1.6C was the lowest for February since 0.3C was recorded in 1996.
Rainfall was low at 34.3mm which represents only 55.8% of the 30 year average.

The -4.3C low temperature recorded on the 28th was the lowest for the month since -6.0C was recorded on 4th February 2012.
The lowest daily mean temperature of -1.5C on the 28th was the equal lowest daily mean with 3rd February 2012 since data started in 1994..

Winter 2017/18: The average winter temperature (Dec-Feb) was 5.9C which is the 35th warmest winter in Bristol in 128 years of data.
The total rainfall of 247.1mm for the three months of winter makes it the 54th wettest in 137 recorded years of data for Bristol.
This winter is just under the 30 year average rainfall (1981-2010) for the city.

Annual 2017: The annual average temperature of 12.1C in 2018 was 0.8C above the 30 year average for Bristol. This makes 2017 the 3rd warmest year (equal with 1989, 1990 and 1997). Continuous records for average temperature having been found since 1891 in Bristol.

The Total rainfall for 2017 was 751.0 mm. This is 138.9 mm less than the 30 year average for Bristol and the driest year since 2011 when only
723.1 mm was recorded. 2017 was the 39th direst year in Bristol in 165 years of continuous annual data for the city.

It was the dullest year on record since this data started in 2005 with a annual average 0f 37.7% of maximum sunshine. The average is 40.0%..

The 2017 Annual summary is here:

For the full monthly summary please go here:

The Meteorological site is situated in an urban housing area approximately one mile to the south of the Centre of Bristol. This area is in a district called Totterdown.

Statistical correlations with the Bristol Meteorological Office site, that was less than two miles to the North and was situated on top of a City Centre office block, were generally good with rainfall and barometric data particularly close.

The site of the station is approximately 34 metres above sea level with the manual instruments mounted in a Stevenson screen. The screen is sited centrally in a small concreted garden area. A Snowdon rain gauge is mounted correctly in the ground but does not have the full open space required around it. A  Davis Vantage Pro2 Plus automatic weather station (AWS) was added in May 2005 and this is mounted 4 feet above a concrete shelter. The wind data is gathered automatically from a Davis Vantage Pro2 Plus anemometer which is sited 3.3 metres (10 feet) above the house top.

Manual observations are still taken at approximately 09:00 hours GMT every day for rainfall and cloud cover. Rainfall manually recorded in the Snowdon rain gauge is entered for the previous day. The wind data is constantly logged and automatically reset at 24:00 hours GMT every day (in the summer BST -1 hour. The Davis rainfall tipping bucket was recalibrated in November 2005 and is now consistently under 3% under recording (an improvement from installation in May 2005 when 10% was more typically the norm).

Since the arrival of the Davis Vantage Pro2 Plus equipment in May 2005 temperatures, humidity and barometric pressure are recorded from the new equipment. These figures will be more accurate and will be taken at exactly 09:00 GMT (in the summer BST -1 hour) as the data is now logged to a computer.

By default the Davis equipment records every parameter for the 24 hour period 00:00 to 23:59 BST or GMT. Data analysis will enable manual data extraction of temperatures and rainfall to 09:00 GMT (adjusted in the summer). Due to the 0.2 mm (tipping bucket) measurements of precipitation recorded by the Davis equipment the Snowdon rain gauge will still be used due to its greater accuracy (see above).

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