condition mean min max 4 h after light 0.15477825 0.0769385 0.232618 8 h after light 0.1155486 0.0628222 0.168275 12 h after light 0.1534515 0.0 0.306903 4 h after dark 0.2692175 0.136063 0.402372 8 h after dark 1.0886635 0.799457 1.37787 12 h after dark 1.4972975 0.264685 2.72991