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Vriconian helps provide insight, guidance & tips related to home renewable energy technologies. Unlike the majority of resources available covering this field, this site simply takes an interested end-user viewpoint and is fully independent of market sector influence.  

Hadley Centre Central England Temperature (HadCET) dataset


Climate

The HadCET dataset provides an important long term analysis of temperature trends which is used extensively for climate trend monitoring. It also acts as a useful tool for high level (monthly & year-on-year) comparison of UK temperatures & anomalies which may impact on seasonal or annual performance of solar thermal and solar pv systems.

Clicking the attached graphic below provides access to the current HadCET page.

 

Researchers at the Met Office Hadley Centre produce and maintain a range of gridded datasets of meteorological variables for use in climate monitoring and climate modelling.

The CET dataset is the longest instrumental record of temperature in the world. The mean, minimum and maximum datasets are updated monthly, with data for a month usually available by the 3rd of the next month. A provisional CET value for the current month is calculated on a daily basis. The mean daily data series begins in 1772 and the mean monthly data in 1659. Mean maximum and minimum daily and monthly data are also available, beginning in 1878.

Brief description of the data

These daily and monthly temperatures are representative of a roughly triangular area of the United Kingdom enclosed by Lancashire, London and Bristol. The monthly series, which begins in 1659, is the longest available instrumental record of temperature in the world.

The daily mean-temperature series begins in 1772. Manley (1953, 1974) compiled most of the monthly series, covering 1659 to 1973. These data were updated to 1991 by Parker et al (1992), who also calculated the daily series. Both series are now kept up to date by the Climate Data Monitoring section of the Hadley Centre, Met Office. Since 1974 the data have been adjusted to allow for urban warming: currently a correction of -0.2 °C is applied to mean temperatures.

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