Ultraviolet light transmission through clothing in different types of weather (%).

WP, White Polyester; WC, White Cotton; BC, Black Cotton. WP1cm and WC1cm indicate that the distance between the clothing and the skin was 1 centimeter. # There were significant differences in UVA transmission among the three types of weather (P<0.05); the intensities of both UVA and UVB peaked on clear days and were lowest on overcast days. Ultraviolet light transmission through clothing in different types of weather (%).