condition mean min max 4 h after light 24.1904 22.2618 26.119 8 h after light 16.26335 15.9681 16.5586 12 h after light 17.3889 16.946 17.8318 4 h after dark 24.579749999999997 22.4657 26.6938 8 h after dark 26.4503 26.0203 26.8803 12 h after dark 27.5922 26.3628 28.8216