Terms of Davis Weather Station

THSW Index The THSW index is a computed index that combines humidity and temperature from the Heat Index, but also includes the heating and cooling e…

THW Index The THW index is a computed index that combines humidity and temperature like the Heat Index, but also includes the heating effects of sunl…

Ultra Violet Radiation or UV Radiation Ultraviolet Radiation is energy from the sun that reaches the earth in the form of ultraviolet (UV) rays. Sunb…

Update Interval The update interval determines how frequently current data packets from the transmitter are relayed to the console or WeatherLink Liv…

UV Sensor A UV sensor is an excellent addition to your arsenal of weather sensors. A UV radiation sensor is useful for persons who want to reduce the…

Weather Station A weather station is a group of devices that monitor and report on atmospheric conditions. Davis weather stations contain the sensor …

Wet bulb  Wet bulb is the lowest temperature that can be observed by evaporating water into the air. It is important for assessing heat stress, snowf…

Wind chill Wind chill is a calculated temperature that takes into consideration how the speed of the wind affects our perception of the air temperatu…

Wind Cups Wind cups are mounted on arms that rotate to measure wind speed. A Wind Cups of an anemometer from Davis Instruments

Wind Gust Wind gust is the highest observed wind speed for a period of two, ten, or more minutes.

Wind Vane What exactly is a wind vane, and who uses them? A wind vane is defined as a device that measures the direction of the wind. Weathervanes, a…