The four-day weekend was an odd period of contrasts, and I don't just mean the weather. See the full selection of photographs from those four days here: http://www.flickr.com/photos/deedesign/sets/72157630026789740/show/
On Saturday, in glorious weather, revellers held a rolling party along the Regent's Canal.
On Tuesday, in dreadful rain, the RAF Red Arrows flew low over Trafalgar Square. Horatio Nelson looks on from his column