Will London have less than 20mm of precipitation in April?

Why

Probability rose modestly up to 100¢ (toward YES) over the last 24 hours, a 2.9pp shift. Resolution depends on to the total precipitation in mm at heathrow (london airport) in april, 2026, according to the met office — directional traders may be reading new information from that source.

What to verify

• Cross-check the resolution source: to the total precipitation in mm at Heathrow (London Airport) in April, 2026, according to the Met Office — https://www.metoffice.gov.uk/pub/data/weather/uk/climate/stationdata/heathrowdata.txt.
• Read recent large-trade flow on Orrery's market page — $5k+ trades show up alongside the move so you can tell if size is following the price or fading it.