condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0538375 0.0 0.107675 4 h after light 0.0 0.0 0.0 8 h after light 0.02466745 0.0 0.0493349 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