On 2026-04-05, the NBCN weather station in Binningen recorded an unusually hot day, with a maximum temperature of 23.9°C, a minimum of 6.5°C, and an average temperature of 15.6°C. This maximum temperature exceeded the 95th percentile for the date, marking it as an exceptional event.

Looking at the last 30 days, the average air temperature was 7.89°C, with a minimum of -2.8°C and a maximum matching today's 23.9°C. During this period, there were no summer days, hot days, or tropical nights recorded. For the current season, the data indicates that today's temperature stands out significantly compared to recent conditions.

In the context of all years for April, the hottest day on record occurred on 1934-04-17 with a maximum temperature of 30.5°C. For all years and all months, the all-time maximum temperature recorded at the station was 39.0°C on 1952-07-02, while the all-time minimum was -24.1°C on 1942-01-22. This places today's heat in a historical perspective, showing it is notable for early April but not unprecedented in the broader record.