condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 4.85912 0.0 9.71824 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 4.59636 0.0 9.19272 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0