Pictured above is the sensor portion of what [Frapedia] calls his visual rain sensor. Most rain gauges just use a graduated cylinder to capture water as it falls from the sky.

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.

It is expandable, though not in a great way: You have to extra for a rain gauge ($54) and anemometer ($80), which I think are core sensors. All of the sensors, core and expanded, were generally ...

A volunteer army of daily weather watchers has been looking up at the skies and amplifying the ground reach of meteorologists ...

The rain gauge has wired on it to discourage birds from disrupting the reading. Patrice La Vigne. I also appreciated the weathervane design, the rain gauge, and the location of the temperature sensor.

Solid sensor performance (apart from the rain gauge, that is) The temperature, humidity, and sonic anemometer on the Ambient Weather WS-4000 performed beautifully.

BME280 is OK once you realize the temp sensor is just a diode and there was an early bug in the Bosch driver that did not give it enought time to load it’s cal coefficients on power up, which ...

The model was trained on over 60 hours of video data and validated against rain gauge measurements, achieving an R² value of up to 0.95 and a Kling–Gupta efficiency (KGE) of 0.97.

This month, the Community Collaborative Rain, Hail and Snow network (CoCoRaHS) is holding its annual Rain Gauge Rally recruitment effort. Citizen scientists will have the opportunity to join in a ...

The rain gauge is part of a network of gauges, sensors and computers that are helping save lives and property in vulnerable to flooding in Bay Area communities. (Patrick Tehan/Bay Area News Group) ...

Here's what Phoenix residents need to know about Sky Harbor's official weather gauges and sensors. Why is Phoenix Sky Harbor Airport the official spot to measure rain?