condition mean min max 0 h after light 0.05227 0.0 0.10454 2 h after light 0.0486405 0.0 0.097281 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.097531 0.0 0.195062 2 h after dark 0.0 0.0 0.0 4 h after dark 0.096864 0.0 0.193728 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0