What does “10 mm of rain” actually mean?
A depth. A volume. And a very different experience depending on how fast it falls. Start with the basics, then see them in motion.
Less guessing. More exploring.
Three tools, ready when you are.
Follow your curiosity.
Rainfall units, explained
Make sense of millimetres, inches and litres per square metre.
From drizzle to downpour
Understand intensity categories and what hourly rates mean.
Read a storm, hour by hour
Separate total rainfall from the bursts that make up a storm.
Put rainwater to work
Estimate collection from your roof, with losses and efficiency in mind.
Your first weather station
A useful starting point for measuring the weather at home.
Before you buy a station
Compare sensors, connectivity and the true cost of ownership.
Find the right place
Give your sensors the best chance of representative readings.
Keep your readings reliable
Clean, maintain and troubleshoot your weather station.
Turn records into insight
Interpret patterns in rain, temperature, wind and pressure.
Explore weather by location
A guide to current conditions, forecast playback and previous-day weather.