Summary: Moisture Measures
¥Dew Point (DP) - temperature to which air must be cooled at constant pressure to become saturated. Plotted on WX maps.
¥Wet Bulb Temperature - lowest temperature to which air can be cooled by evaporation of water. Higher than DP since water vapor is added to air.
¥Temp ³ Wet Bulb Temp ³ Dew Point