condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.513172 0.252675 0.773669 4 h after light 0.0 0.0 0.0 8 h after light 0.3445265 0.0 0.689053 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 0.0510175 0.0 0.102035 12 h after dark 0.0 0.0 0.0