The sun has now been shining in parts of the UK for more than four hours straight now. Countrywide, the city's parks are packed out with people enjoying their meal deal lunches, there is talk of heatwaves and hose pipe bans and a portion of the evening news will be given over to images of beaming parents and kids eating ice creams. Give it another 10 minutes and your grandpa will probably start lamenting how it's nothing compared to the summer of 1976 – he's probably right, but who cares when