很少国家天气服务绝对(湿度)[1],因为它是不容易确定。相反,他们国家的相对湿度。> * *绝对湿度* *是水蒸气的质量除以干燥的空气的质量在一个给定的温度下空气的体积。空气的温度越高,它可以包含更多的水。绝对湿度是表示为克水分每立方米空气($ \ mathsf {g / m ^ 3} $)。相对湿度> > * * * *的比例是当前绝对湿度最高的绝对湿度(这取决于当前空气温度)。空气相对湿度100%的阅读意味着完全饱和水蒸气和不能持有任何更多,创造下雨的可能性。更好的测量大气湿度将如何影响人们和环境(露点)[1]。> * *露点* *,简而言之,露水滴形成的点对象像草地上——换句话说,当相对湿度为100%。> >如果你想要一个真正的法官的(“干”或“潮湿”)[2]外面会觉得,看露点而不是RH。 The higher the dew point, the muggier it will feel. --------------------------------------------------------------------- Edit 31 January 2020 -------------------- Taken from *[Oppressive, humid conditions for southern Australia as heatwave combines with tropical airmass][3]* > Dew point is the indicator of the amount of moisture in the air ... > it's the temperature that the air needs to cool to in order to form cloud. > > When temperatures are very high, relative humidity can under represent how much moisture there is in the air, making dew point the better measure. [1]: https://science.howstuffworks.com/nature/climate-weather/atmospheric/question6511.htm [2]: https://www.weather.gov/arx/why_dewpoint_vs_humidity [3]: https://www.abc.net.au/news/2020-01-31/hot-humid-weather-welcome-to-the-tropics/11917070