This summer is on track to be the dullest on record at Heathrow with approximately 423.9 hrs of sun to August 28th. Sunshine records began in 1957.

The current dullest summer is 1968 (where have I seen that year pop up before 🤔😏) with 440.3 hrs.

— Sryan (@SnowbieWx) August 29, 2021