condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 7.0026 0.0 14.0052 4 h after light 1.724545 0.0 3.44909 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 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