condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 2.974515 0.0 5.94903 4 h after light 0.0 0.0 0.0 8 h after light 3.066435 0.0 6.13287 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0