condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.025709566666666666 0.0 0.0771287 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.029952066666666666 0.0 0.0898562 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0