Linked from
The 16 pages that link to Wet-bulb temperature, each with the reason it gives.
Evaporative coolingRelated: It sets a practical limit for direct evaporative cooling.
Relative humidityRelated: It connects humidity to evaporative cooling and human heat limits.
Cooling towerRelated: It sets a practical lower limit for cooling tower water temperature.
Heat stressRelated: Its limits are studied as indicators of when human heat loss becomes difficult.
PsychrometricsRelated: Evaporative cooling links this measurement to air moisture and enthalpy.
VirgaRelated: Evaporation cools the air and precipitation toward this temperature.
Evaporative coolerRelated: It sets the practical lower limit for direct evaporative cooling.
Ice pelletsRelated: It helps determine whether falling snow melts in a warm layer.
Rain and snow mixedRelated: It helps determine whether falling snow melts near the surface.