condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.4761775 0.0 0.952355 8 h after light 0.0 0.0 0.0 12 h after light 1.15408 0.0 2.30816 2 h after dark 0.0 0.0 0.0 4 h after dark 0.788665 0.0 1.57733 8 h after dark 0.3923485 0.0 0.784697 12 h after dark 0.0 0.0 0.0