condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.3372735 0.0 0.674547 4 h after light 0.5694095 0.28225 0.856569 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.155466 0.0 0.310932 4 h after dark 0.02663555 0.0 0.0532711 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0