condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.025089733333333333 0.0 0.0752692 12 h after light 0.029075066666666666 0.0 0.0617079 4 h after dark 0.014592466666666666 0.0 0.0437774 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0251189 0.0 0.0753567