condition mean min max 0 h after light 0.06736 0.0 0.13472 2 h after light 0.0267216 0.0 0.0534432 4 h after light 0.0776005 0.0 0.155201 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 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