condition mean min max 0 h after light 0.2394065 0.239193 0.23962 4 h after light 0.2194655 0.2031 0.235831 8 h after light 0.239494 0.202903 0.276085 4 h after dark 0.2945755 0.117459 0.471692 8 h after dark 0.3348895 0.277154 0.392625 12 h after dark 0.196892 0.194724 0.19906