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 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.01391655 0.0 0.0278331 4 h after dark 0.0 0.0 0.0 8 h after dark 0.01348575 0.0 0.0269715 12 h after dark 0.0 0.0 0.0