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 0.3134575 0.0 0.626915 4 h after dark 0.075926 0.0 0.151852 8 h after dark 0.0 0.0 0.0 12 h after dark 0.078142 0.0 0.156284