It was here that he met Jan Noppen (1706–1734), the Halfweg inspector, who started the earliest continuous weather station in Zwanenburg with measurements three times daily of temperature, air pressure, humidity, and rainfall.
Here, he met Jan Noppen (1706–1734), the Halfweg inspector, who established the earliest continuous weather station in Zwanenburg with daily measurements of temperature, air pressure, humidity, and rainfall.