condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.1122955 0.0 0.224591 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 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.1215885 0.0 0.243177 12 h after dark 0.0 0.0 0.0