Weather over MQTT

There is a weather station attached to a mast at HQ. Various sensor readings are pushed to MQTT topics listed below every ten seconds.

The broker is at mqtt://mqtt.emf.camp (more info on the MQTT broker page). The prefix for each topic is emf/weather/.

• runtime: Weather station runtime in seconds.
• tempin: Temperature in the HQ cabin in degrees Celsius.
• humidityin: Humidity in the HQ cabin in %RH.
• baromabs: Pressure reading in millibars.
• temp: Outdoor temperature in degrees Celsius.
• humidity: Outdoor humidity in %RH (must be above 40).
• winddir: Wind direction in degrees.
• windspeed: Wind average speed in miles per hour.
• windgust: Wind gust speed in miles per hour.
• maxdailygust: Maximum daily wind gust speed in miles per hour.
• solarradiation: Solar radiation measured in lux.
• uv: Ultraviolet radiation index.
• rainrate: Rainfall in mm of last ten minutes x6 (hourly forecast).
• eventrain: Total rainfall since last zero reading in mm.
• hourlyrain: Total rainfall over the previous hour in mm.
• dailyrain: Total rainfall over the previous day in mm.
• weeklyrain: Total rainfall over the previous week in mm.
• dewpoint: Dewpoint in degrees Celsius.
• feelslike: Feels like temperature in degrees Celsius (temp must be above 26.7).
• heatindex: Heat index in degrees Celsius (temp must be above 26.7).
• solarradiation_lux: Solar radiation in lux.
• windchill: Wind chill (temp must be below 12 and windspeed above 3).