A long-time viewer emailed me earlier this week with a puzzle: he had two rain gauges side-by-side during our recent storm, but they measured a different amount of rain. Here's how it happens.

Hundreds of sensors placed throughout New York City measure water as it rises, then send the data to an interactive map available to the public.

The AcuRite Iris 5-in-1 is one of the best home weather stations you can get. Not only does it capture rainfall, wind ...

Screenshots by Jason Cipriani/CNET Want to try more fun lidar features? The lidar sensor isn't limited to just measuring different objects.