Phoenix Sky Harbor International Airport has long been the official rain gauge for metro Phoenix. Why, especially when Valley ...

Thermistors use a thermally active resistor made of metal oxides encased in epoxy or glass. The resistance output varies based on temperature. A more accurate thermister will vary linearly ...

Most rain gauges just use a graduated cylinder to capture water as it falls from the sky. That will give you a reasonably accurate measure of how much it rained, but it tells you nothing about how ...

an anemometer to measure the wind speed, a weather vane and compass to work out the direction of the wind, and a rain gauge to measure rainfall. They then record all their results on a computer.