When even Michael Eavis deviates from his traditional “best ever Glastonbury” spiel to proclaim 2016’s festival the “muddiest ever”, it’s safe to conclude this summer’s downpours have been downright freakish. “I’ve never seen mud like it in the [event’s] whole life,” he told the Guardian. “In all 46 years, it hasn’t been as bad as this.”

Worthy Farm was far from alone in falling victim to the elements; Download was dubbed “Drownload” after heavy rain almost washed away tents ...