Interstate Compact Supervision. The Interstate Compact is a federal agreement that provides guidelines for the transfer of offender supervision among all 50 states and most U.S. territories.nterstate Compact Supervision. The Interstate Compact is a federal agreement that provides guidelines for the transfer of offender supervision among all 50 states and most U.S. territories.
Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer. A psychrometer uses two thermometers to measure relative humidity; one measures the dry-bulb temperature and the other measures the wet-bulb temperature.
A hygrometer measures the amount of water vapor in the air, the humidity. Some use a salted metalstrip to display humidity as a function of the differing expansion rates of the two substances. Some use hair because it responds well to moisture changes.