The dry bulb temperature in degrees Fahrenheit obtainable by using a thermometer to measure the outdoor temperature in an area where there is no shade. While the temperature measurement must be taken in an area with full sunlight, the bulb or sensor of the thermometer should be shielded while taking the measurement, for example, with the hand or some other object, from direct contact by sunlight.
Synonyms:
Heat level, thermal state, warmth degree, thermal condition, heat measure